File SVG của tôi - TikZ to SVG

👤 04:35:05 - 28/01/2026

2 2

Code TikZ:

            \begin{tikzpicture}[
    % Tùy chỉnh kiểu cho các node (điểm tròn)
    dot/.style={circle, fill=#1, inner sep=0pt, minimum size=6pt},
    % Tùy chỉnh khoảng cách cây
    level 1/.style={sibling distance=5cm, level distance=3cm},
    level 2/.style={sibling distance=2.5cm, level distance=3cm},
    % Tùy chỉnh đường nối
    edge from parent/.style={draw, thick, black},
    % Tùy chỉnh nhãn trên đường nối
    edge label/.style={midway, fill=white, inner sep=1pt, font=\small}
]

% --- Gốc O (Màu cam) ---
\node[dot=orange!80, label=above:{\bfseries Gốc O}] {}
    % --- Nhánh trái (A) ---
    child {
        node[dot=cyan!50, label=left:{$A$}] {}
        child {
            node[dot=pink!90, label=below:{$B$}] {}
            edge from parent node[left=5pt] {0,3}
        }
        child {
            node[dot=violet!80, label=below:{$\overline{B}$}] {}
            edge from parent node[right=5pt] {0,7}
        }
        edge from parent node[left=5pt] {0,4}
    }
    % --- Nhánh phải (Not A) ---
    child {
        node[dot=green!60!black, label=right:{$\overline{A}$}] {}
        child {
            node[dot=pink!90, label=below:{$B$}] {}
            edge from parent node[left=5pt] {0,4}
        }
        child {
            node[dot=violet!80, label=below:{$\overline{B}$}] {}
            edge from parent node[right=5pt] {0,6}
        }
        edge from parent node[right=5pt] {0,6}
    };
\end{tikzpicture}
        

👤 15:46:06 - 26/01/2026

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Code TikZ:

            \tdplotsetmaincoords{70}{40}
	
	\begin{tikzpicture}[>=stealth, tdplot_main_coords] 
		% Vẽ hình tròn đáy trên mặt phẳng xy
		\draw[canvas is xy plane at z=0] (0,0) circle[radius=2cm];
		
		% Vẽ hệ trục tọa độ
		\draw[->] (-3,0,0)--(3,0,0)node[below]{$x$};
		\draw[->] (0,-3,0)--(0,3,0)node[right]{$y$};
		\draw[->] (0,0,-1)--(0,0,4)node[left]{$z$};
		
		% Vòng lặp vẽ các thiết diện tam giác
		\foreach \i in {-12,-11,...,12}{
			\pgfmathsetmacro\x{\i/6}
			\pgfmathsetmacro\y{sqrt(max(0, 4-(\x)^2))} % Dùng max(0,...) để tránh lỗi lấy căn số âm do sai số máy tính
			\pgfmathsetmacro\z{\y*sqrt(3)}
			\coordinate (A\i) at (\x,\y,0);
			\coordinate (B\i) at (\x,-\y,0);
			\coordinate (C\i) at (\x,0,\z);
			\draw[opacity=0.3, blue] (A\i)--(B\i)--(C\i)--cycle;
		}
		
		% Vẽ đường cong đỉnh
		\draw[thick, red] plot [smooth, tension=.8] coordinates{
			(C-12)(C-11)(C-10)(C-9)(C-8)(C-7)(C-6)(C-5)(C-4)(C-3)(C-2)(C-1)
			(C0)(C1)(C2)(C3)(C4)(C5)(C6)(C7)(C8)(C9)(C10)(C11)(C12)
		};
	\end{tikzpicture}
        

👤 15:22:20 - 30/12/2025

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Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-2.38}
\def\xmax{2.38}
\def\ymin{-2.0}
\def\ymax{4.0}

% Cắt vùng hiển thị cho đồ thị hàm số
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ đồ thị hàm số
\draw[smooth, samples=100, domain=\xmin:\xmax,red] plot (\x, {(\x)^3 - 3*(\x) + 1});
\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Vẽ trục tọa độ (ngoài vùng cắt)
% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (0,1.00) circle (1pt) node[]{};
\fill (-1.00,3.00) circle (1pt) node[]{};
\fill (1.00,-1.00) circle (1pt) node[]{} (2,3.00) circle (1pt) (-2,-1.00) circle (1pt);
\fill (1.00,0.00) circle (1pt) node[above]{$1$}
(-2.00,0.00) circle (1pt) node[shift={(-150:2ex)}]{$-2$};
\fill (-1.00,0.00) circle (1pt) node[shift={(-120:2ex)}]{$-1$}
(0.00,-1.00) circle (1pt) node[shift={(-150:2ex)}]{$-1$}
(0.00,1.00) circle (1pt) node[shift={(30:1.5ex)}]{$1$}
(2.00,0.00) circle (1pt) node[below]{$2$};
\fill (0,3.00) circle (1pt) node[shift={(120:2ex)}]{$3$};
\draw[dashed] (-1,0)|-(0,3)-|(2,0) (1,0)|-(0,-1) (-2,0)|-(0,-1);
\end{tikzpicture}
        

👤 15:07:48 - 30/12/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}
  % Vẽ đường tròn ngoại tiếp màu đỏ
  \draw[cyan] (0,0) circle (2cm);
  % Định nghĩa các đỉnh của đa giác đều 5 cạnh
  % Bắt đầu từ đỉnh A ở trên cùng (góc 90 độ)
  \foreach \i in {0,...,4} {
    \coordinate (P\i) at ({90 - \i*72}:2cm);
  }
  % Vẽ đa giác đều
  \draw (P0) -- (P1) -- (P2) -- (P3) -- (P4) -- cycle;
  % Gắn nhãn cho các đỉnh
  \node at (P0) [above] {$A_1$};
  \node at (P1) [right] {$B_1$};
  \node at (P2) [below right] {$C_1$};
  \node at (P3) [below left] {$D_1$};
  \node at (P4) [left] {$E_1$};
\end{tikzpicture}
        

👤 17:02:14 - 28/12/2025

1 1

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Cần thêm vào preamble: \usetikzlibrary{patterns}

\def\xmin{-1.}
\def\xmax{6.0}
\def\ymin{-1.}
\def\ymax{4.0}

\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% === TÔ MIỀN KHÔNG NGHIỆM (miền nghiệm để trắng) ===
% Miền KHÔNG thỏa: x>=0
\fill[pattern=north east lines, pattern color=blue]
    (0.00,4.00) -- (-1.00,4.00) -- (-1.00,-1.00) -- (0.00,-1.00) -- cycle;
\fill[opacity=0.3,blue]
    (0.00,4.00) -- (-1.00,4.00) -- (-1.00,-1.00) -- (0.00,-1.00) -- cycle;

% Miền KHÔNG thỏa: y>=0
\fill[pattern=north west lines, pattern color=red]
    (-1.00,0.00) -- (-1.00,-1.00) -- (6.00,-1.00) -- (6.00,0.00) -- cycle;
\fill[opacity=0.3,red]
    (-1.00,0.00) -- (-1.00,-1.00) -- (6.00,-1.00) -- (6.00,0.00) -- cycle;

% Miền KHÔNG thỏa: 2x+5y<=10
\fill[pattern=horizontal lines, pattern color=green!70!black]
    (6.00,-0.40) -- (6.00,4.00) -- (-1.00,4.00) -- (-1.00,2.40) -- cycle;
\fill[opacity=0.3,green!70!black]
    (6.00,-0.40) -- (6.00,4.00) -- (-1.00,4.00) -- (-1.00,2.40) -- cycle;

% Miền KHÔNG thỏa: x+y<=3
\fill[pattern=vertical lines, pattern color=orange]
    (4.00,-1.00) -- (6.00,-1.00) -- (6.00,4.00) -- (-1.00,4.00) -- cycle;
\fill[opacity=0.3,orange]
    (4.00,-1.00) -- (6.00,-1.00) -- (6.00,4.00) -- (-1.00,4.00) -- cycle;

% === VẼ CÁC ĐƯỜNG THẲNG ===
\draw[blue, thick] (0.00,\ymin) -- (0.00,\ymax);

\draw[red, thick] (\xmin,0.00) -- (\xmax,0.00);

\draw[green!70!black, thick, domain=\xmin:\xmax, samples=2]
    plot (\x, {(10.00 - 2.00*\x) / 5.00});

\draw[orange, thick, domain=\xmin:\xmax, samples=2]
    plot (\x, {(3.00 - 1.00*\x) / 1.00});

\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.3] (\xmin,\ymin) grid (\xmax,\ymax);

% Trục tọa độ
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
\fill (0,0) circle (1pt) node[below right] {$O$};

% Các giao điểm
\fill[black] (0.00,0.00) circle (1.5pt);
\fill[black] (0.00,2.00) circle (1.5pt);
\fill[black] (0.00,3.00) circle (1.5pt);
\fill[black] (5.00,-0.00) circle (1.5pt);
\fill[black] (3.00,-0.00) circle (1.5pt);
\fill[black] (1.67,1.33) circle (1.5pt);

\end{tikzpicture}
        

👤 06:46:08 - 27/12/2025

1 1

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,>=Stealth,scale=0.9]

% --- Key coordinates ---
\coordinate (E) at (0,0);        % base at wall edge
\coordinate (A) at (0,6);
\coordinate (B) at (0,8);
\coordinate (D) at (0,2);
\coordinate (C) at (6,2);
\coordinate (F) at (6,0.0);

% --- Wall (textured rectangle) ---
\draw[thick] (-4,0) rectangle (0,6);
\fill[pattern=dots] (-4,0) rectangle (0,6);

% --- Ground (hatched) ---
\draw[thick] (-5,0) -- (7,0);
\foreach \x in {-5,-4.7,...,7} {
  \draw (\x,0) -- ++(-0.35,-0.35);
}

% --- Vertical wall edge line up to B ---
\draw[thick] (E) -- (B);

% --- Points ---
\fill (A) circle (2pt);
\fill (B) circle (2pt);
\fill (C) circle (2pt);

% --- Labels (all black) ---
\node[above] at (B) {B};
\node[above right=-3pt] at (A) {A};
\node[right] at (C) {C};
\node[above right]  at (D) {D};
\node[above right]  at (E) {E};
\node[above right] at (F) {F};

% --- Reference horizontal dashed line D to C ---
\draw[dashed,thick] (D) -- (C);

% --- Sight lines (both dashed as requested) ---
\draw[dashed,thick] (C) -- (A);
\draw[dashed,thick] (C) -- (B);

% --- Distance DC = 18 m (double-headed arrow) ---
\draw[dashed] (D) -- (C)
  node[midway,below] {$18\,\mathrm{m}$};

% --- Vertical segment CF with double-headed arrow + centered label 5 m ---
\draw[thick] (F) -- (C);
\draw[<->,thick] (F) -- (C) node[midway,right] {$5\,\mathrm{m}$};

% --- Angles at C: ACD = 40°, BCD = 50° ---
% Use two radii so the arcs don't overlap
\pic[draw,thick,angle radius=1.0cm,angle eccentricity=1.]
  {angle = A--C--D};
\node at ($(C)+(-1.4,0.35)$) {$40^\circ$};

\pic[draw,thick,angle radius=1.6cm,angle eccentricity=1.15]
  {angle = B--C--D};
\node at ($(C)+(-2.0,0.85)$) {$50^\circ$};

\end{tikzpicture}
        

👤 13:34:57 - 23/12/2025

0 0

0

Code TikZ:

            % Author: Lâm Chính
% https://www.facebook.com/share/17bfZuN1Rs/?mibextid=wwXIfr
    \begin{tikzpicture}[scale=0.8,line join=round, line cap=round,>=stealth,transform shape]
		\definecolor{cadmiumred}{rgb}{0.89, 0.0, 0.13}
		\definecolor{candyapplered}{rgb}{1.0, 0.03, 0.0}
		\definecolor{paleblue}{rgb}{0.69, 0.93, 0.93}
		\definecolor{deepskyblue}{rgb}{0.0, 0.75, 1.0}
		\definecolor{green(ryb)}{rgb}{0.4, 0.69, 0.2}
		\fill[bottom color=white,top color=deepskyblue!90, middle color=white] (-4,-6) rectangle (8,6);
		\fill[green(ryb)] (-4,-6)
			..controls +(30:1) and +(170:.7) ..(8,-5)--(8,-9)--(-4,-9) --cycle;
		\tikzset{may_bay/.pic={
		\tikzset{dong_co/.pic={
				\fill [candyapplered, draw=black] (-0.89,-0.95) -- (0.05,-0.76) .. controls +(-10:0.15) and +(20:0.1)..  (0.13,-1.10) -- (-0.79,-1.31).. controls +(20:0.1) and +(-10:0.15).. cycle ;
				\fill [gray!50!white, draw=black] 
				(-0.89,-0.95).. controls +(-160:0.15) and +(180:0.15)..(-0.82,-1.31).. controls +(20:0.1) and +(-10:0.15).. cycle;
		}}	
		\path (-0.65,-0.4)[scale=1]pic{dong_co};
		%% thân máy bay
		\draw [fill=cadmiumred] (-3.92,-1.6)
		.. controls +(110:0.15) and +(-158.2:0.52) .. (-3.15,-1.01)
		.. controls +(19.4:1.48) and +(-169.2:2.33) .. (3.45,0.51)
		-- (3.57,0.37)
		.. controls +(-135.0:1.26) and +(13.0:1.70) .. (-0.49,-1.34)
		.. controls +(-169.0:1.6) and +(-40:0.4) .. cycle;
		\draw [fill=yellow] (3.27,0.47) -- (3.22,1.74) -- (2.96,1.71) -- (2.21,0.26) -- cycle
		(-0.45,-0.73) -- (2.07,0.85) -- (2.19,1.27) -- (2.37,1.37)-- (2.35,1) -- (0.63,-0.50) -- cycle;
		\draw [fill=deepskyblue] (-3.79,-1.38) -- (-3.2,-1.36) -- (-3.40,-1.12).. controls +(-150:0.2) and +(40:0.3) ..  cycle;
		\draw (3.45,0.51)--(4,0.8);
		\path (-0.5,-0.6)[scale=0.8]pic{dong_co};
		%%% cửa sổ
		\tikzset{ocua/.pic={
				\draw[line width=0.5pt,fill=deepskyblue]
				(0.2,0) --(0.8,0).. controls +(0:0.1) and +(-90:0.1)..(1,0.2)-- (1,1.3).. controls +(90:0.1) and +(0:0.1)..(0.8,1.5)--(0.2,1.5).. controls +(180:0.1) and +(90:0.1)..(0,1.3)--(0,0.2).. controls +(-90:0.1) and +(180:0.1)..cycle
				;
		}}
		\begin{scope}[yslant=0.2]
			\clip (-4.5,-3) rectangle (5,3);
			\foreach \n in {0,2,...,16}
			\path ($(-24,-6)+(\n,0.05*\n)$)[scale=0.1]pic{ocua};
		\end{scope}
		}}
		\path (8,6)[scale=0.5]pic{may_bay};
		\tikzset{angten/.pic={
			\draw [fill=gray] (-0.07,1.5)
			.. controls +(-126.7:0.98) and +(-148:1.24) .. (1.31,0.2)
			.. controls +(165:0.4) and +(-70:0.45) .. cycle	;
			\draw[fill=white,rotate=-43] (-0.12,1.05) ellipse (0.95 and 0.15);
			\draw[fill=gray] (-0.54,-0.45) -- (0.55,-0.45) -- (0.55,-0.36) -- (0.47,-0.36) -- (0.23,0.03) 
			.. controls +(-120:0.25) and +(-60:0.25).. (-0.21,0.03) -- (-0.45,-0.36) -- (-0.54,-0.36) -- cycle;
			\draw (0.28,1.13) -- (1.01,1.3) -- (0.92,0.55)	(1.01,1.3) -- (0.65,0.88);
			\fill[black] (1.01,1.3) circle (3pt);
			\fill[white] (0.01,0.1) circle (6pt);
			\fill[white,line width=1,draw=gray] (0.01,0.1) circle (4pt);
		}}
		\path (0,3) pic[scale=0.4]{angten};
		\draw[fill=gray](-0.42,2.52) -- (-0.43,2.76).. controls +(25:0.25) and +(155:0.25)..  (0.43,2.76)--(0.42,2.52) -- cycle;
		\draw [fill=paleblue] (-0.97,1.85) -- (-1.14,2.33).. controls +(30:0.8) and +(150:0.8)..(1.14,2.33)--(0.97,1.85).. controls +(155:0.2) and +(25:0.2)..cycle;
		\fill[gray] (-1.5,1.5)--(-1.48,1.69) .. controls +(30:0.7) and +(150:0.7).. (1.48,1.69)--(1.5,1.5)--cycle
		(-1.1,2.2) -- (-1.14,2.33).. controls +(30:0.8) and +(150:0.8)..(1.14,2.33)--(1.1,2.2).. controls +(150:0.8) and +(30:0.8)..cycle;

		\draw [fill=paleblue] (-1.47,-0.15)-- (-2.14,1.07)-- (-2.07,1.1)--(-2.07,1.34)
		.. controls +(25:1.2) and +(155:1.2) .. (2.07,1.34)--(2.07,1.1)-- (2.14,1.07)--(1.47,-0.15)--cycle
		;
		\draw [gray,thick]  (-1.9,1.15) -- (-1.26,-0.16) 
		(-1.38,1.3) -- (-0.91,-0.16) (-0.7,1.41) --(-0.4,-0.16)
		(0.7,1.41) --(0.4,-0.16) (1.38,1.3) -- (0.91,-0.16)
		(1.9,1.15) -- (1.26,-0.16) (0,1.44)--(0,-0.16);
		\draw [gray] 
		(-0.86,1.86) -- (-1,2.28) (-0.73,2.4) -- (-0.61,1.88) 
		(-0.31,1.9) -- (-0.35,2.5) (0,1.90) -- (0,2.5)
		(0.86,1.86) -- (1,2.28) (0.73,2.4) -- (0.61,1.88) 
		(0.31,1.9) -- (0.35,2.5);
		\fill[gray](-2.15,1.08) 
		.. controls +(25:1.2) and +(155:1.2) .. (2.15,1.08)--(2.11,1).. controls +(155:1.2) and  +(25:1.2)..(-2.11,1)--cycle
		(-1.91,0.66).. controls +(25:1.2) and +(155:1.2) .. (1.91,0.66)--(1.85,0.55).. controls +(155:1.2) and +(25:1.2).. (-1.85,0.55)--cycle
		;
		\fill[gray,opacity=0.5] (-2.07,1.34) .. controls +(25:1.2) and +(155:1.2) .. (2.07,1.34)--(2.08,1.2).. controls +(155:1.2) and +(25:1.2).. (-2.08,1.2)--cycle;
		\fill[gray,opacity=0.5] (-1.63,0.15) .. controls +(25:1) and +(155:1)..  (1.63,0.15) -- (1.5,-0.1) -- (-1.50,-0.1)--cycle;
		\fill[top color=gray, bottom color=darkgray] (0,-0.1) ellipse (1.5 and 0.3);
		\fill[left color=white, right color=darkgray] (-0.6,-7)--(-0.6,-0.3).. controls +(25:0.3) and +(155:0.3).. (0.6,-0.3)--(0.6,-7)--cycle;
		\draw [line width=0.2pt,fill=gray] (-0.62,-6.7)
		.. controls +(-60:0.4) and +(-120:0.4) .. (0.6,-6.7) .. controls +(-55:0.75) and +(-125:0.75) .. cycle;
		\path (0,-7) coordinate (O) node[above left]{$O$};
		\draw[->,thick] (O)--+(0:3) node [below]{\large $y$};
		\draw[->,thick] (O)--+(90:3) node [left]{\large $z$};
		\draw[->,thick] (O)--+(-150:2) node [above]{\large $x$};
	\end{tikzpicture}
        

👤 23:34:14 - 20/12/2025

1 1

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-5.0}
\def\xmax{3.0}
\def\ymin{-6.0}
\def\ymax{2.0}
\def\eps{0.05}
\def\xv{-1.0}

% Cắt vùng hiển thị
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ nhánh trái của đồ thị
\draw[smooth, samples=100, domain=\xmin:\xv-\eps] plot (\x, {(1 - 2*(\x))/((\x) + 1)});

% Vẽ nhánh phải của đồ thị
\draw[smooth, samples=100, domain=\xv+\eps:\xmax] plot (\x, {(1 - 2*(\x))/((\x) + 1)});

% Tiệm cận đứng
\draw[red, dashed, thin] (\xv,\ymin) -- (\xv,\ymax);

\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Tiệm cận ngang
\draw[red, dashed, thin] (\xmin,-2.0) -- (\xmax,-2.0);

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (0.50,0) circle (1pt) node[]{};
\fill (0,1.00) circle (1pt) node[]{};
\fill (-1.00,0) circle (1pt) node[shift={(-150:2ex)}]{$-1$};
\fill (0,-2.00) circle (1pt) node[shift={(-40:2ex)}]{$-2$};

\end{tikzpicture}
        

👤 23:16:44 - 20/12/2025

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0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-2.38}
\def\xmax{2.38}
\def\ymin{-2.0}
\def\ymax{4.0}

% Cắt vùng hiển thị cho đồ thị hàm số
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ đồ thị hàm số
\draw[smooth, samples=100, domain=\xmin:\xmax] plot (\x, {(\x)^3 - 3*(\x) + 1});
\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Vẽ trục tọa độ (ngoài vùng cắt)
% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (0,1.00) circle (1pt) node[]{};
\fill (-1.00,3.00) circle (1pt) node[]{};
\fill (1.00,-1.00) circle (1pt) node[]{} (2,3.00) circle (1pt) (-2,-1.00) circle (1pt);
\fill (1.00,0.00) circle (1pt) node[above]{$1$}
(-2.00,0.00) circle (1pt) node[shift={(-150:2ex)}]{$-2$};
\fill (-1.00,0.00) circle (1pt) node[shift={(-120:2ex)}]{$-1$}
(0.00,-1.00) circle (1pt) node[shift={(-150:2ex)}]{$-1$}
(0.00,1.00) circle (1pt) node[shift={(30:1.5ex)}]{$1$}
(2.00,0.00) circle (1pt) node[below]{$2$};
\fill (0,3.00) circle (1pt) node[shift={(120:2ex)}]{$3$};
\draw[dashed] (-1,0)|-(0,3)-|(2,0) (1,0)|-(0,-1) (-2,0)|-(0,-1);
\end{tikzpicture}
        

👤 06:50:28 - 17/12/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Cần thêm vào preamble: \usetikzlibrary{patterns}

\def\xmin{-1.0}
\def\xmax{6.0}
\def\ymin{-1.0}
\def\ymax{4.0}

\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% === TÔ MIỀN KHÔNG NGHIỆM (miền nghiệm để trắng) ===
% Miền KHÔNG thỏa: x>=0
\fill[pattern=north east lines, pattern color=blue]
    (0.00,4.00) -- (-1.00,4.00) -- (-1.00,-1.00) -- (0.00,-1.00) -- cycle;
\fill[opacity=0.3,blue]
    (0.00,4.00) -- (-1.00,4.00) -- (-1.00,-1.00) -- (0.00,-1.00) -- cycle;

% Miền KHÔNG thỏa: y>=0
\fill[pattern=north west lines, pattern color=red]
    (-1.00,0.00) -- (-1.00,-1.00) -- (6.00,-1.00) -- (6.00,0.00) -- cycle;
\fill[opacity=0.3,red]
    (-1.00,0.00) -- (-1.00,-1.00) -- (6.00,-1.00) -- (6.00,0.00) -- cycle;

% Miền KHÔNG thỏa: 2x+5y<=10
\fill[pattern=horizontal lines, pattern color=green!70!black]
    (6.00,-0.40) -- (6.00,4.00) -- (-1.00,4.00) -- (-1.00,2.40) -- cycle;
\fill[opacity=0.3,green!70!black]
    (6.00,-0.40) -- (6.00,4.00) -- (-1.00,4.00) -- (-1.00,2.40) -- cycle;

% Miền KHÔNG thỏa: x+y<=3
\fill[pattern=vertical lines, pattern color=orange]
    (4.00,-1.00) -- (6.00,-1.00) -- (6.00,4.00) -- (-1.00,4.00) -- cycle;
\fill[opacity=0.3,orange]
    (4.00,-1.00) -- (6.00,-1.00) -- (6.00,4.00) -- (-1.00,4.00) -- cycle;

% === VẼ CÁC ĐƯỜNG THẲNG ===
\draw[blue, thick] (0.00,\ymin) -- (0.00,\ymax);

\draw[red, thick] (\xmin,0.00) -- (\xmax,0.00);

\draw[green!70!black, thick, domain=\xmin:\xmax, samples=2]
    plot (\x, {(10.00 - 2.00*\x) / 5.00});

\draw[orange, thick, domain=\xmin:\xmax, samples=2]
    plot (\x, {(3.00 - 1.00*\x) / 1.00});

\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.3] (\xmin,\ymin) grid (\xmax,\ymax);

% Trục tọa độ
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
\fill (0,0) circle (1pt) node[below right] {$O$};

% Các giao điểm
\fill[black] (0.00,0.00) circle (1.5pt);
\fill[black] (0.00,2.00) circle (1.5pt);
\fill[black] (0.00,3.00) circle (1.5pt);
\fill[black] (5.00,-0.00) circle (1.5pt);
\fill[black] (3.00,-0.00) circle (1.5pt);
\fill[black] (1.67,1.33) circle (1.5pt);

\end{tikzpicture}
        

👤 06:17:44 - 17/12/2025

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0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Cần thêm vào preamble: \usetikzlibrary{patterns}

\def\xmin{-1.0}
\def\xmax{7.0}
\def\ymin{-1.0}
\def\ymax{6.0}

\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% === TÔ MIỀN KHÔNG NGHIỆM (miền nghiệm để trắng) ===
% Miền KHÔNG thỏa: 2x+2y<=10
%\fill[pattern=north east lines, pattern color=blue]
%    (6.00,-1.00) -- (7.00,-1.00) -- (7.00,6.00) -- (-1.00,6.00) -- cycle;
\fill[opacity=0.3,blue]
    (6.00,-1.00) -- (7.00,-1.00) -- (7.00,6.00) -- (-1.00,6.00) -- cycle;

% Miền KHÔNG thỏa: 2y<=4
%\fill[pattern=north west lines, pattern color=red]
%    (7.00,2.00) -- (7.00,6.00) -- (-1.00,6.00) -- (-1.00,2.00) -- cycle;
\fill[opacity=0.3,red]
    (7.00,2.00) -- (7.00,6.00) -- (-1.00,6.00) -- (-1.00,2.00) -- cycle;

% Miền KHÔNG thỏa: 2x+4y<=12
%\fill[pattern=horizontal lines, pattern color=green!70!black]
%    (7.00,-0.50) -- (7.00,6.00) -- (-1.00,6.00) -- (-1.00,3.50) -- cycle;
\fill[opacity=0.3,green!70!black]
    (7.00,-0.50) -- (7.00,6.00) -- (-1.00,6.00) -- (-1.00,3.50) -- cycle;

% Miền KHÔNG thỏa: y>=0
%\fill[pattern=vertical lines, pattern color=orange]
%    (-1.00,0.00) -- (-1.00,-1.00) -- (7.00,-1.00) -- (7.00,0.00) -- cycle;
\fill[opacity=0.3,orange]
    (-1.00,0.00) -- (-1.00,-1.00) -- (7.00,-1.00) -- (7.00,0.00) -- cycle;

% Miền KHÔNG thỏa: x>=0
%\fill[pattern=crosshatch, pattern color=purple]
%    (0.00,6.00) -- (-1.00,6.00) -- (-1.00,-1.00) -- (0.00,-1.00) -- cycle;
\fill[opacity=0.3,purple]
    (0.00,6.00) -- (-1.00,6.00) -- (-1.00,-1.00) -- (0.00,-1.00) -- cycle;

% === VẼ CÁC ĐƯỜNG THẲNG ===
\draw[blue, thick, domain=\xmin:\xmax, samples=2]
    plot (\x, {(10.00 - 2.00*\x) / 2.00});

\draw[red, thick] (\xmin,2.00) -- (\xmax,2.00);

\draw[green!70!black, thick, domain=\xmin:\xmax, samples=2]
    plot (\x, {(12.00 - 2.00*\x) / 4.00});

\draw[orange, thick] (\xmin,0.00) -- (\xmax,0.00);

\draw[purple, thick] (0.00,\ymin) -- (0.00,\ymax);

\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.3] (\xmin,\ymin) grid (\xmax,\ymax);

% Trục tọa độ
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
\fill (0,0) circle (1pt) node[below right] {$O$};

% Các giao điểm
\fill[black] (3.00,2.00) circle (1.5pt);
\fill[black] (4.00,1.00) circle (1.5pt);
\fill[black] (5.00,0.00) circle (1.5pt);
\fill[black] (-0.00,5.00) circle (1.5pt);
\fill[black] (2.00,2.00) circle (1.5pt);
\fill[black] (-0.00,2.00) circle (1.5pt);
\fill[black] (6.00,0.00) circle (1.5pt);
\fill[black] (-0.00,3.00) circle (1.5pt);
\fill[black] (-0.00,-0.00) circle (1.5pt);

\end{tikzpicture}
        

👤 04:41:54 - 12/12/2025

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Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-3.5}
\def\xmax{4.5}
\def\ymin{-2.50}
\def\ymax{5.50}

% Cắt vùng hiển thị
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ nhánh trái của đồ thị
\draw[smooth, samples=100, domain=-3.5:0.45] plot (\x, {((\x)^2 + 2*(\x))/(2*(\x) - 1)});

% Vẽ nhánh phải của đồ thị
\draw[smooth, samples=100, domain=0.55:4.5] plot (\x, {((\x)^2 + 2*(\x))/(2*(\x) - 1)});

% Tiệm cận đứng
\draw[red, dashed, thin] (0.5,\ymin) -- (0.5,\ymax);

% Tiệm cận xiên
\draw[red, dashed, thin, samples=100, domain=\xmin:\xmax] plot (\x, {(\x)/2 + 5/4});

\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (-2.00,0) circle (1pt) node[]{};
\fill (0.50,0) circle (1pt) node[]{};
\fill (-2.50,0) circle (1pt) node[]{};
\fill (0,1.25) circle (1pt) node[]{};

% Điểm cực trị
\fill (-0.62,0.38) circle (1pt) node[]{};
\fill (1.62,2.62) circle (1pt) node[]{};

\end{tikzpicture}
        

👤 04:41:14 - 12/12/2025

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Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-3.0}
\def\xmax{5.0}
\def\ymin{-2.00}
\def\ymax{6.00}

% Cắt vùng hiển thị
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ nhánh trái của đồ thị
\draw[smooth, samples=100, domain=-3.0:0.95] plot (\x, {(2*(\x) + 1)/((\x) - 1)});

% Vẽ nhánh phải của đồ thị
\draw[smooth, samples=100, domain=1.05:5.0] plot (\x, {(2*(\x) + 1)/((\x) - 1)});

% Tiệm cận đứng
\draw[red, dashed, thin] (1.0,\ymin) -- (1.0,\ymax);

\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Tiệm cận ngang
\draw[red, dashed, thin] (\xmin,2.0) -- (\xmax,2.0);

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (-0.50,0) circle (1pt) node[]{};
\fill (0,-1.00) circle (1pt) node[]{};
\fill (1.00,0) circle (1pt) node[]{};
\fill (0,2.00) circle (1pt) node[]{};

\end{tikzpicture}
        

👤 04:40:17 - 12/12/2025

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0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-1.0}
\def\xmax{3.0}
\def\ymin{-2.00}
\def\ymax{4.00}

% Cắt vùng hiển thị cho đồ thị hàm số
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ đồ thị hàm số
\draw[smooth, samples=100, domain=\xmin:\xmax] plot (\x, {(\x)^3 - 3*(\x)^2 + 2*(\x) + 1});
\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Vẽ trục tọa độ (ngoài vùng cắt)
% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (0,1.00) circle (1pt) node[]{};
\fill (-0.32,0) circle (1pt) node[]{};
\fill (0.42,1.38) circle (1pt) node[]{};
\fill (1.58,0.62) circle (1pt) node[]{};

\end{tikzpicture}
        

👤 04:39:32 - 12/12/2025

0 0

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Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-1.0}
\def\xmax{5.0}
\def\ymin{-2.00}
\def\ymax{4.00}

% Cắt vùng hiển thị cho đồ thị hàm số
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ đồ thị hàm số
\draw[smooth, samples=100, domain=\xmin:\xmax] plot (\x, {(\x)^2 - 4*(\x) + 3});
\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Vẽ trục tọa độ (ngoài vùng cắt)
% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (0,3.00) circle (1pt) node[]{};
\fill (1.00,0) circle (1pt) node[]{};
\fill (3.00,0) circle (1pt) node[]{};

% Tọa độ đỉnh parabol
\fill (2.00,-1.00) circle (1pt) node[]{};

\end{tikzpicture}
        

👤 04:38:49 - 12/12/2025

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Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-2.5}
\def\xmax{1}
\def\ymin{-1.00}
\def\ymax{4.00}

% Cắt vùng hiển thị cho đồ thị hàm số
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ đồ thị hàm số
\draw[smooth, samples=100, domain=\xmin:\xmax] plot (\x, {2*(\x) + 3});
\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Vẽ trục tọa độ (ngoài vùng cắt)
% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (-1.50,0) circle (1pt) node[]{};
\fill (0,3.00) circle (1pt) node[]{};

\end{tikzpicture}
        

👤 17:48:24 - 11/12/2025

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0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1.00]
% Định nghĩa miền giá trị
\def\xmin{-2.38}
\def\xmax{2.38}
\def\ymin{-2.00}
\def\ymax{4.00}

% Cắt vùng hiển thị cho đồ thị hàm số
\begin{scope}
\clip (\xmin,\ymin) rectangle (\xmax,\ymax);

% Vẽ đồ thị hàm số
\draw[smooth, samples=100, domain=\xmin:\xmax] plot (\x, {(\x)^3 - 3*(\x) + 1});
\end{scope}

% Lưới tọa độ
\draw[step=1cm,help lines,dashed,opacity=0.5] (\xmin,\ymin) grid (\xmax,\ymax);

% Vẽ trục tọa độ (ngoài vùng cắt)
% Trục hoành Ox
\draw[->] (\xmin,0)--(\xmax,0) node[above] {$x$};
% Trục tung Oy
\draw[->] (0,\ymin)--(0,\ymax) node[left] {$y$};
% Gốc tọa độ O
\fill (0,0) circle (1pt) node[below right] {$O$};

% Giao điểm với các trục
% Thêm nhãn: node[shift={(-120:2ex)}]{$A$}
\fill (0,1.00) circle (1pt) node[]{};
\fill (-1.00,3.00) circle (1pt) node[]{};
\fill (1.00,-1.00) circle (1pt) node[]{};

\end{tikzpicture}
        

👤 04:48:21 - 22/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}[scale=2]
    % x = sqrt(5 + 2*sqrt(2))
    \pgfmathsetmacro{\x}{sqrt(5 + 2*sqrt(2))}
    
    % Tính cos(CBM) đúng:
    \pgfmathsetmacro{\cosCBM}{(\x*\x-5)/(4*\x)}
    
    % Tính góc CBM (đơn vị độ)
    \pgfmathsetmacro{\angleCBM}{acos(\cosCBM)}
    
    % Đặt toạ độ tam giác vuông cân tại B
    \coordinate (B) at (0,0);
    \coordinate (A) at (0,\x);
    \coordinate (C) at (\x,0);
	\coordinate (M) at (\angleCBM:2);
    \node[left]       at ($(A)!0.5!(M)$) {1};
    \node[left]       at ($(B)!0.5!(M)$) {2};
    \node[below]at ($(C)!0.5!(M)$) {3};
    % Vẽ tam giác
    \draw (A)--(B)--(C)--cycle (M)--(A) (B)--(M)--(C);
    % Vẽ và ghi nhãn các điểm
    \fill (A) circle(1pt) node[above]{An};
    \fill (C) circle(1pt) node[below]{Cường};
    \fill (B) circle(1pt) node[below]{Bình};
    \fill (M) circle(1pt) node[left]{Mai};
\end{tikzpicture}
        

👤 23:45:30 - 21/11/2025

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Code TikZ:

            \begin{tikzpicture}[scale=1]
    % x = sqrt(5 + 2*sqrt(2)) : cạnh BA = BC
    \pgfmathsetmacro{\x}{sqrt(5 + 2*sqrt(2))}

    % Tọa độ của M:
    \pgfmathsetmacro{\u}{(\x*\x - 5)/(2*\x)}
    \pgfmathsetmacro{\v}{(\x*\x + 3)/(2*\x)}

    % Các điểm
    \coordinate (B) at (0,0);        % Bình
    \coordinate (A) at (0,\x);       % An
    \coordinate (C) at (\x,0);       % Cường
    \coordinate (M) at (\u,\v);      % Mai

    % Tam giác ABC
    \draw (A)--(B)--(C)--cycle;

    % Các đoạn dây
    \draw (A)--(M)--(C);
    \draw (B)--(M);

    % Góc vuông tại B
    \draw (0,0) rectangle (0.3,0.3);

    % Nhãn điểm
    \fill (A) circle (1pt) node[above]{An};
    \fill (B) circle (1pt) node[below left]{Bình};
    \fill (C) circle (1pt) node[below]{Cường};
    \fill (M) circle (1pt) node[right]{Mai};

    % (tuỳ chọn) ghi độ dài 1,2,3 trên các đoạn
    % cần \usetikzlibrary{calc} trong preamble
    %\node[left]       at ($(A)!0.5!(M)$) {1};
    %\node[left]       at ($(B)!0.5!(M)$) {2};
    %\node[above right]at ($(C)!0.5!(M)$) {3};
\end{tikzpicture}
        

👤 21:49:40 - 21/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}[scale=1]
    % Khai báo các điểm cơ bản
    \tkzDefPoints{0/0/A, 4/0/B, 0/3/C}

    % Tâm O là trung điểm AB
    \tkzDefMidPoint(A,B)\tkzGetPoint{O}

    % Vẽ đường tròn tâm O, đường kính AB
    \tkzDrawCircle(O,A)

    % D là giao điểm thứ hai của BC với (O)
    \tkzInterLC(B,C)(O,A)\tkzGetSecondPoint{D}

    % H là hình chiếu vuông góc của A lên OC
    \tkzDefLine[orthogonal=through A](O,C)\tkzGetPoint{a'}
    \tkzInterLL(A,a')(O,C)\tkzGetPoint{H}

    % M là giao của AH với BC
    \tkzInterLL(A,H)(B,C)\tkzGetPoint{M}

    % Vẽ các đoạn thẳng
    \tkzDrawSegments(A,B B,C C,A A,H H,M B,D O,C)

    % Đánh dấu góc vuông tại A và H
    \tkzMarkRightAngles[size=0.2](O,H,A B,A,C)

    % Gán nhãn các điểm
    \tkzLabelPoints[below](O)
    \tkzLabelPoints[left](A,C,H)
    \tkzLabelPoints[right](B,M)
	\tkzLabelPoints[above](D)

    % Vẽ các điểm
    \tkzDrawPoints[size=2pt](A,B,C,D,O,H,M)
\end{tikzpicture}
        

👤 13:36:05 - 20/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}
\tkzTabInit[lgt=2, espcl=3]
{$x$/1, $y'$/1, $y$/2}
{$-\infty$, $1$, $2$, $3$, $+\infty$}

% dòng dấu y'
\tkzTabLine{,+,z,-,d,-,z,+,}

% dòng biến thiên y
\tkzTabVar{-/$-\infty$, +/$1$, -D+/$-\infty$/$+\infty$, -/$5$, +/$+\infty$}
\end{tikzpicture}
        

👤 22:24:27 - 19/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}
\tkzTabInit[lgt=2,espcl=3]
{$x$/1, $y'$/1, $y$/2}
{$-\infty$, $0$, $4$, $+\infty$}

% dòng dấu y'
\tkzTabLine{,-,d,h,d,+,}

% dòng biến thiên
\tkzTabVar{
  +/$+\infty$,
  -H/$0$,
  -/$0$,
  +/$+\infty$
}
\end{tikzpicture}
        

👤 22:24:09 - 19/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}
\tkzTabInit[lgt=2, espcl=3]
{$x$/1, $y'$/1, $y$/2}
{$-\infty$, $1$, $+\infty$}

% dòng dấu y'
\tkzTabLine{,+,d,+,}

% dòng biến thiên y
\tkzTabVar{-/$2$, +D-/$+\infty$/$-\infty$, +/$2$}
\end{tikzpicture}
        

👤 22:23:40 - 19/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}
\tkzTabInit[lgt=2, espcl=3]
{$x$/1, $y'$/1, $y$/2}
{$-\infty$, $-5$, $-1$, $+\infty$}

% dòng dấu y'
\tkzTabLine{,+,z,-,z,+,}

% dòng biến thiên y
\tkzTabVar{-/$-\infty$, +/$\dfrac{31}{3}$, -/$-\dfrac{1}{3}$, +/$+\infty$}
\end{tikzpicture}
        

👤 22:22:36 - 19/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}
\tkzTabInit[lgt=2, espcl=3]
{$x$/1, $y'$/1, $y$/2}
{$-\infty$, $-1$, $2$, $5$, $+\infty$}

% dòng dấu y'
\tkzTabLine{,+,z,-,d,-,z,+,}

% dòng biến thiên y
\tkzTabVar{-/$-\infty$, +/$-4$, -D+/$-\infty$/$+\infty$, -/$8$, +/$+\infty$}
\end{tikzpicture}
        

👤 16:56:39 - 08/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}[sibling distance=10em,
  every node/.style = {shape=rectangle, rounded corners,
    draw, align=center,
    top color=white, bottom color=blue!20}]]
  \node {Formulas}
    child { node {single-line} }
    child { node {multi-line}
      child { node {aligned at}
        child { node {relation sign} }
        child { node {several places} }
        child { node {center} } }
      child { node {first left,\\centered,\\last right} } };
\end{tikzpicture}
        

👤 19:12:26 - 07/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=0.75]
				\draw[->] (-2,0)--(2.5,0) node[above] {$x$};
				\draw[->] (0,-3)--(0,1) node[left] {$y$};
				\fill (0,0) circle (1pt) node [above right] {$O$}; 
				\draw [samples=100, domain=-1.35:1.82] plot (\x, {-1*(\x)^3+(\x)^2+(\x)-2});
				\fill(0,-1) node[above right=-3pt]{$-1$} circle(1pt); 
				\fill(0,-2) node[below right=-3pt]{$-2$} circle(1pt); 
				\foreach \x in {-1,1}
				\fill(\x,0) node[above]{$\x$} circle(1pt) circle(1pt); 
				\fill(1,-1) circle(1pt) (-1,-1) circle(1pt); 
				\draw[dashed](-1,0)|-(0,-1) (1,0)|-(0,-1);
	\end{tikzpicture}
        

👤 19:06:01 - 07/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=0.75]
				\draw[->] (-3,0)--(1,0) node[above] {$x$};
				\draw[->] (0,-3)--(0,1) node[left] {$y$};
				\fill (0,0) circle (1pt) node [above right] {$O$}; 
				\draw [samples=100, domain=-2.35:0.82] plot (\x, {-(\x)^3-2*(\x)^2-1});
				\fill(0,-1) node[above right=-3pt]{$-1$} circle(1pt); 
				\fill(0,-2) node[below left=-3pt]{$-2$} circle(1pt); 
				\foreach \x in {-1,-2}
				\fill(\x,0) node[above]{$\x$} circle(1pt) circle(1pt); 
				\fill(-2,-1) circle(1pt) (-1,-2) circle(1pt); 
				\draw[dashed](-1,0)|-(0,-2) (-2,0)|-(0,-1);
	\end{tikzpicture}
        

👤 18:57:25 - 07/11/2025

0 0

0

Code TikZ:

            {\begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=0.75]
			\draw[->] (-2,0)--(2,0) node[above] {$x$};
			\draw[->] (0,-1)--(0,3) node[left] {$y$};
			\fill (0,0) circle (1pt) node [below right] {$O$}; 
			\draw [samples=100, domain=-1.35:1.82] plot (\x, {(\x)^3-1*(\x)^2-1*(\x)+2});
			\fill(0,1) node[below right=-3pt]{$1$} circle(1pt); 
			\fill(0,2) node[right]{$2$} circle(1pt); 
			\foreach \x in {-1,1}
			\fill(\x,0) node[below]{$\x$} circle(1pt) circle(1pt); 
            \fill(-1,1) circle(1pt) (0,2) circle(1pt) (1,1) circle(1pt);
            \draw[dashed](-1,0)|-(0,1) (1,0)|-(0,1) ;
	\end{tikzpicture}}
        

👤 18:42:57 - 07/11/2025

0 0

0

Code TikZ:

            {\begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=0.75]
			\draw[->] (-3,0)--(1,0) node[above] {$x$};
			\draw[->] (0,-1)--(0,3) node[left] {$y$};
			\fill (0,0) circle (1pt) node [below right] {$O$}; 
			\draw [samples=100, domain=-2.35:0.82] plot (\x, {(\x)^3+2*(\x)^2+1});
			\fill(0,1) node[below right=-3pt]{$1$} circle(1pt); 
			\fill(0,2) node[right]{$2$} circle(1pt); 
			\foreach \x in {-1,-2}
			\fill(\x,0) node[below]{$\x$} circle(1pt) circle(1pt); 
            \fill(-2,1) circle(1pt) (-1,2) circle(1pt); 
            \draw[dashed](-1,0)|-(0,2) (-2,0)|-(0,1);
	\end{tikzpicture}}
        

👤 15:19:30 - 07/11/2025

0 0

0

Code TikZ:

            \begin{tikzpicture}
    \begin{axis}[
        ybar,
        ylabel={Doanh thu (triệu VND)},
        symbolic x coords={Q1,Q2,Q3,Q4},
        xtick=data,
        ymin=0,
        ymax=200
    ]
        \addplot coordinates {
            (Q1,100) (Q2,150) (Q3,120) (Q4,180)
        };
    \end{axis}
\end{tikzpicture}
        

👤 21:51:31 - 03/11/2025

1 1

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=0.65]
		\draw[->] (-5,0)--(3,0) node[above] {$x$};
		\draw[->] (0,-4)--(0,4) node[right] {$y$};
		\fill (0,0) circle (1pt) node [below right] {$O$};
		\draw [samples=100, domain=-5:-1.27] plot (\x, {((\x)^2+2*(\x)+2)/((\x)+1)});
		\draw [samples=100, domain=-0.73:3] plot (\x, {((\x)^2+2*(\x)+2)/((\x)+1)});
		\draw (-5,-4)--(3,4) (-1,-4)--(-1,4);
		\fill (-1,0) circle (1pt) node [below right] {$-1$}
		(0,2) circle (1pt) node [below left=-3pt] {$2$}
		(0,1) circle (1pt) node [left] {$1$}
		(0,-2) circle (1pt) node [right=-3pt] {$-2$}
		(-2,0) circle (1pt) node [above] {$-2$}
		(-2,-2) circle (1pt);
		\draw[dashed] (-2,0)|-(0,-2);
\end{tikzpicture}
        

👤 19:57:40 - 03/11/2025

1 1

0

Code TikZ:

            \definecolor{nen}{RGB}{220, 221, 223}
\definecolor{daudan}{RGB}{78, 19, 3}
\definecolor{tructrai}{RGB}{116, 59, 39}
\definecolor{trucphai}{RGB}{74, 33, 29}
\definecolor{candan}{RGB}{113, 55, 26}
\definecolor{matthung1}{RGB}{204, 189, 158}
\definecolor{matthung2}{RGB}{255, 209, 139}
\definecolor{nguadan}{RGB}{59, 44, 41}
\definecolor{vongnep}{RGB}{135, 81, 52}
\definecolor{phimdan}{RGB}{213, 195, 169}
\begin{tikzpicture}[line join=round, line cap=round]
%\fill[nen]
(-4,-5)rectangle(4,5);
\filldraw[vongnep]
(-.01,-3.05)circle (1.93cm);
\fill[matthung2]
(-.01,-3.05)circle (1.86cm);
\def\B{
 (0,-4.02)--(.18,-4.02)
 ..controls +(-90:.2) and +(180:.2)..(.51,-4.25)--(.6,-4.29)--(.6,-4.4)--(0,-4.4)--(0,-4.02)}
\draw[candan]\B;
\fill[candan]\B;
\fill[candan,xscale=-1] \B;
\fill[phimdan]
(-.18,-4.07)rectangle(.18,-4.02)
(-.15,-4.14)rectangle(.15,-4.1);
\fill[tructrai]
(.05,3.83)
..controls +(180:.1) and +(-3:.1)..(-1.03,3.88)
..controls +(-100:.2) and +(90:.1)..(-1.03,3.65)
..controls +(3:.1) and +(180:.1)..(.05,3.76)--(.05,3.83);
% Chỉ trục trái
\draw[line width=.7pt,phimdan]
(.05,3.8)--(-1.01,3.77);
 % Trục phải
%\draw[red]
\fill[trucphai]
(-.04,3.68)
..controls +(-8:.1) and +(-178:.1)..(1.11,3.73)
..controls +(-70:.1) and +(70:.1)..(1.1,3.51)
..controls +(175:.1) and +(-3:.1)..(-.04,3.6)--(-.04,3.68);
% Chỉ trục phải
\draw[line width=.7pt,phimdan]
(-.04,3.63) --(1.09,3.62);
\def\A{ 
 (0,4.69) 
 ..controls +(0:.1) and +(120:.1)..(.38,4.57)
 ..controls +(-120:.1) and +(90:.1)..(.25,4.4)--(.26,4.25)
 ..controls +(-90:.04) and +(30:.04)..(.2,4.14)
 ..controls +(-90:.1) and +(0:.1)..(.09,4)--(.11,3.48)--(.16,3.48)
 ..controls +(-90:.1) and +(30:.1)..(.1,3.23)--(.13,-.95)
 ..controls +(-90:.1) and +(90:.1)..(.2,-1.13)
 ..controls +(170:.1) and +(0:.1)..(0,-1.12)--(0,4.69) }
\fill[candan]\A;
\fill[candan,xscale=-1] \A; 
\fill[phimdan]
(-.04,3.47)rectangle(.05,3.9);
\fill[phimdan]
(-0.1,3.35)rectangle(0.1,3.39);
\draw[line width=1pt,white]
(-.11,2.6)--(.11,2.6)
(-.11,1.64)--(.11,1.64)
(-.11,1.)--(.11,1.)
(-.11,.51)--(.11,.51)
(-.11,-.18)--(.11,-.18)
(-.11,-.6)--(.11,-.6)
(-.16,-1.1)--(.17,-1.1)
(-.2,-1.4)--(.2,-1.4)
(-.2,-1.7)--(.2,-1.7)
(-.2,-2)--(.2,-2);
\fill[tructrai]
(.05,3.83)--(-.047,3.83)--(-.04,3.76)--(.05,3.76);
\draw[line width=.7pt,phimdan]
(.05,3.8)--(-.04,3.8);
\fill[trucphai]
(-.04,3.68)--(.048,3.68)--(.04,3.6)--(-.04,3.6);
\draw[line width=.7pt,phimdan]
(-.04,3.63)--(.04,3.63);
\fill[white]
(-.05,-4.2)circle (.6pt)
(-.05,-4.2)circle (.4pt);
\draw[brown, line width=.5pt]
(-.05,-4.2)--(-.03,3.85) ;
\fill[white]
(.05,-4.2)circle (.6pt)
(.05,-4.2)circle (.4pt);
\draw[brown,line width=.5pt]
(.05,-4.2)--(.03,3.6);
%\node at (1.2,1)[scale=.03]{\includegraphics{GIAO}};
\end{tikzpicture}
        

👤 14:32:33 - 02/11/2025

1 1

0

Code TikZ:

            \setmainfont{STSong}
		\definecolor{falured}{rgb}{0.5, 0.09, 0.09}
		\definecolor{cosmiclatte}{rgb}{1.0, 0.97, 0.91}		
		\definecolor{desertsand}{rgb}{0.93, 0.79, 0.69}	
		\definecolor{aliceblue}{rgb}{0.94, 0.97, 1.0}
		\definecolor{indigo(dye)}{rgb}{0.0, 0.25, 0.42}
		\definecolor{amber}{rgb}{1.0, 0.75, 0.0}
		\definecolor{gainsboro}{rgb}{0.86, 0.86, 0.86}
		\definecolor{red-brown}{rgb}{0.65, 0.16, 0.16}
		\definecolor{cottoncandy}{rgb}{1.0, 0.74, 0.85}
		\definecolor{darkjunglegreen}{rgb}{0.1, 0.14, 0.13}
		\definecolor{palepink}{rgb}{0.98, 0.85, 0.87}
		\definecolor{darkspringgreen}{rgb}{0.09, 0.45, 0.27}
		\definecolor{deepcerise}{rgb}{0.85, 0.2, 0.53}
\begin{tikzpicture}[line join=round, line cap=round,scale=1,transform shape]
\draw[fill=desertsand] (-4,-5) rectangle (5.5,6);
\tikzset{vit/.pic={
%====================Hoa
\def\C1{ 
(-.62,2.28)
..controls +(50:1.2) and +(-90:.4) ..(-.3,3.4)
..controls +(-150:.5) and +(120:.5) ..cycle
;
}
\fill[cottoncandy] \C1;
\draw[black]\C1;

\def\C2{ 
(-.62,2.28)
..controls +(175:.5) and +(60:.4) ..(-1.65,2.2)
..controls +(-50:.5) and +(-140:.5) ..cycle
;
}
\fill[cottoncandy] \C2;
\draw[black]\C2;

\def\C3{ 
(-.62,2.28)
..controls +(80:1.2) and +(-40:.4) ..(-1.3,3.15)
..controls +(-80:.5) and +(-165:.85) ..cycle
;
}
\fill[cottoncandy] \C3;
\draw[black]\C3;
%--------------------------
\def\X1{ 
(-.62,2.28)
..controls +(150:.2) and +(-70:.2) ..(-.95,2.6)
..controls +(-10:.3) and +(120:.1) ..cycle
(-.62,2.28)
..controls +(160:.2) and +(60:.2) ..(-1,2.2)
..controls +(-20:.2) and +(-140:.2) ..cycle
;
}
\fill[darkspringgreen] \X1;
\draw[black]\X1;
%%%%%%%%%%%%%
\def\C4{ 
(-1.6,.1)
..controls +(30:.6) and +(-50:.5) ..(-1.5,1.25)
..controls +(-140:.5) and +(160:.8) ..cycle
;
}
\fill[cottoncandy] \C4;
\draw[black]\C4;
\def\C5{ 
(-1.6,.1)
..controls +(170:.6) and +(-130:.5) ..(-2.2,1.15)
..controls +(-30:.55) and +(130:.6) ..cycle

;
}
\fill[cottoncandy] \C5;
\draw[black]\C5;
\def\X2{ 
(-1.6,.1)
..controls +(180:.15) and +(30:.1) ..(-1.9,.12)
..controls +(130:.1) and +(160:.1) ..(-1.68,.2)
..controls +(110:.05) and +(-110:.05) ..(-1.66,.37)
..controls +(-50:.1) and +(90:.05) ..(-1.6,.2)
..controls +(40:.1) and +(140:.05) ..(-1.43,.2)
..controls +(-140:.1) and +(50:.05) ..cycle
;
}
\fill[darkspringgreen] \X2;
\draw[black]\X2;
%===================Lá
\def\L{ 
(-.8,.45)
..controls +(170:.3) and +(30:.2) ..(-1.2,.3)
..controls +(-150:.3) and +(75:.4) ..(-2,-.23)
..controls +(-170:.3) and +(180:.4) ..(-2.2,-1.1)
..controls +(0:.3) and +(92:.2) ..(-1.98,-.65)
..controls +(-50:.2) and +(-100:.2) ..(-1.7,-.5)
..controls +(-60:.8) and +(-10:.5) ..cycle
;
}
\fill[darkspringgreen] \L;
\draw[black]\L;
\draw (-1.12,0)
..controls +(-150:.1) and +(40:.1) ..(-1.3,-.35)
(-1.35,-.05)
..controls +(-150:.15) and +(70:.1) ..(-1.55,-.4)
(-1.7,-.2)
..controls +(-130:.15) and +(100:.1) ..(-1.75,-.55)
(-1.9,-.35)
..controls +(-130:.15) and +(100:.1) ..(-1.98,-.6);
%=================Áo
\def\A{ 
(1.7,-.5)%ao
..controls +(95:.3) and +(-140:.3) ..(1.9,.4)
..controls +(95:.3) and +(-110:.3) ..(2,1.5)
..controls +(110:.3) and +(-130:.3) ..(2,2.5)--(.2,2.5)
..controls +(-90:.3) and +(60:.3) ..(.1,1.5)
..controls +(-70:.5) and +(120:.8) ..(-.1,-.7)--(2,-1)--cycle
;
}
\fill[red-brown] \A;
\draw[black]\A;
%------------------
\def\T{ 
(1.85,1.5)
..controls +(110:.3) and +(-130:.3) ..(1.85,2.5)--(.35,2.5)
..controls +(-90:.3) and +(60:.3) ..(.27,1.55)
..controls +(-20:.5) and +(-160:.5) ..cycle
;
}
\fill[darkjunglegreen] \T;
\draw[black]\T;

\def\Y{ %yếm
(.27,1.55)
..controls +(-20:.5) and +(-160:.5) ..(1.85,1.5)
..controls +(-70:.1) and +(110:.1) ..(2,1.1)
..controls +(-140:.6) and +(-40:.5) ..(0,1.2)
..controls +(50:.3) and +(-110:.2) ..cycle
;
}

%\fill[red-brown] \Y;
\fill[indigo(dye)] \Y;
\draw[black]\Y;

\draw (1.95,1.25)
..controls +(-145:.5) and +(-30:.5) ..(.15,1.35)
(1.95,1.15)
..controls +(-145:.5) and +(-30:.5) ..(.1,1.22);

%viền dưới
\def\T2{ 
(2,1.1)
..controls +(-140:.6) and +(-40:.5) ..(0,1.2)--(-.1,.78)--(.1,.62)--(.2,.65)--(.3,.68)--(.43,.65)--(.55,.68)--(.9,.51)--(1.1,.56)--(1.25,.54)--(1.27,.65)--(1.35,.65)--(1.63,.6)--(1.75,.5)--(1.9,.6)--(2.2,.6)--cycle
;
}

\fill[indigo(dye)] \T2;
\draw[black]\T2;
%--------------------------eo áo
\def\B{ 
(2.8,.5)
..controls +(-70:.3) and +(150:.5) ..(3.5,-.5)--(2.5,-.5)
;
}
\fill[indigo(dye)] \B;
\draw[black]\B;
%--------------------------hoa văn áo
\def\C{ 
(.7,.6)
..controls +(-70:.2) and +(-130:.25) ..(1.1,.55)
..controls +(-30:.4) and +(60:.4) ..(1.1,.75)
..controls +(-120:.2) and +(-60:.2) ..(1.2,.7)
..controls +(-50:.15) and +(-30:.2) ..(1.05,.62)
..controls +(-120:.15) and +(-70:.2) ..(.8,.65)
..controls +(180:.3) and +(90:.2) ..(.65,.75)
..controls +(-90:.1) and +(-90:.1) ..(.75,.75)
..controls +(90:.4) and +(180:.45) ..cycle
;
}
\fill[darkspringgreen] \C;
\draw[black]\C;

\fill[shift={(.95,-.14)},rotate=10,darkspringgreen] \C;
\draw[shift={(.95,-.14)},rotate=10]\C;

\fill[shift={(-.88,.25)},rotate=-7,darkspringgreen] \C;
\draw[shift={(-.88,.25)},rotate=-7]\C;
\foreach \i/\j in{1.75/.77,.92/.77,.1/.95}{
\draw[fill=darkspringgreen] (\i,\j) circle(.82mm);
\draw[fill=black] (\i,\j) circle(.3mm);
}
%--------------------------chỏm tóc
\def\B{ 
(.2,4.6)--(-.05,3.5)
..controls +(140:.4) and +(-160:.5) ..cycle
;
}
\fill[black] \B;
\draw[black]\B;
%-----------------------quần
\draw[fill=red-brown] (3.05,-.95) circle(7mm);
%-----------Tay trái
\def\T1{ 
(0,3.05)--(.2,2.5)
..controls +(-90:.3) and +(60:.3) ..(.1,1.5)
..controls +(-70:.5) and +(120:.8) ..(-.1,-.7)--(-1,-1)
..controls +(40:1.2) and +(-175:1.7) ..(-.1,2.9)--cycle
;
}
\fill[palepink!70] \T1;
\draw[black]\T1;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\M1{ 
(-1.5,-2.4)
..controls +(-130:.2) and +(120:.2) ..(-1.5,-2.8)--(-1.43,-2.6)
..controls +(-110:.1) and +(140:.2) ..(-1.3,-3)
..controls +(110:.1) and +(-120:.1) ..(-1.22,-2.6)
..controls +(-110:.1) and +(140:.3) ..(-1.17,-3.05)
..controls +(130:.1) and +(-130:.2) ..(-.9,-2.4)
;
}
\fill[amber] \M1;
\draw[black]\M1;
\def\M2{ 
(.8,-3.2)
..controls +(150:.2) and +(-25:.5) ..(-.2,-3.05)
..controls +(155:.1) and +(120:.3) ..(-.52,-3.6)
..controls +(65:.1) and +(150:.2) ..(-.1,-3.3)
..controls +(-150:.1) and +(140:.2) ..(-.1,-3.8)
..controls +(-40:.1) and +(-170:.3) ..(.1,-3.4)
..controls +(-100:.3) and +(-100:.5) ..(.25,-3.65)
..controls +(70:.15) and +(-40:.2) ..(.37,-3.47)
..controls +(30:.4) and +(-140:.2) ..(1.7,-3.55)%long chan
..controls +(-50:.4) and +(-40:.3) ..(2.05,-3.25)--(2.15,-3.2)
;
}
%
\fill[amber] \M2;
\draw[black]\M2;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Thân vịt
\def\V{ 
(-1.9,-1.1)
..controls +(-95:1.7) and +(180:1.4) ..(.8,-3.2)--(2,-3.23)
..controls +(-5:1) and +(-90:1.45) ..(3.7,-1.3)
..controls +(-140:.3) and +(-40:.4) ..(2.85,-1.6)
..controls +(140:1.8) and +(40:1) ..(-.5,-.75)
..controls +(150:.1) and +(40:.1) ..(-.7,-.8)
..controls +(140:.3) and +(-90:.6) ..(-.2,0)
..controls +(90:.4) and +(-90:.4) ..(-.45,.7)
..controls +(180:.5) and +(-40:.3) ..(-1.4,1.1)
..controls +(-70:.5) and +(165:.3) ..(-.8,.4)
..controls +(-80:1.3) and +(90:1.3) ..cycle
;
}
\fill[amber] \V;
\path (.37,-3.47)
..controls +(30:.4) and +(-140:.2) ..(1.7,-3.55)%long chan
foreach \i in{0,1,2,...,10}{coordinate[pos=\i/10](R\i)};
;
\path (.37,-3.35)
..controls +(30:.4) and +(140:.2) ..(1.6,-3.5)%long chan
foreach \i in{0,1,2,...,10}{coordinate[pos=\i/10](U\i)};
;
\foreach \i in{1,2,3,...,7}
{
\draw (R\i)..controls +(150:.05) and +(-80:.05) ..(U\i)
;
}
%-----------------
\path (.45,-2.6)
..controls +(-60:.4) and +(130:.4) ..(1.4,-3.3)
foreach \i in{0,1,2,...,14}{coordinate[pos=\i/14](P\i)};
;
\path (.38,-2.72)
..controls +(-60:.4) and +(130:.4) ..(1.3,-3.4)
foreach \i in{0,1,2,...,14}{coordinate[pos=\i/14](Q\i)};
;
\foreach \i in{0,1,2,3,4,...,14}
{
\draw (P\i)..controls +(-90:.05) and +(30:.05) ..(Q\i)
;
}
\path (1.6,-2.73)
..controls +(-40:.15) and +(100:.15) ..(1.77,-3.15)
foreach \i in{0,1,2,...,6}{coordinate[pos=\i/6](Z\i)};
\path (1.7,-2.6)
..controls +(-40:.15) and +(100:.15) ..(1.9,-3.1)
foreach \i in{0,1,2,...,6}{coordinate[pos=\i/6](S\i)};
\foreach \i in{0,1,2,3,4,...,6}
{
\draw (Z\i)..controls +(0:.05) and +(-120:.05) ..(S\i)
;
}
%====================
\def\V2{ 
%(-1.9,-1.1)
%..controls +(-95:1.7) and +(180:1.4) ..(.8,-3.2) (2,-3.2)
%..controls +(0:1.55) and +(-95:1) ..
(3.7,-1.3)
..controls +(-140:.3) and +(-40:.4) ..(2.85,-1.6)
..controls +(140:1.8) and +(40:1) ..(-.5,-.75)
..controls +(150:.1) and +(40:.1) ..(-.7,-.8)
..controls +(140:.3) and +(-90:.6) ..(-.2,0)
..controls +(90:.4) and +(-90:.4) ..(-.45,.7)
..controls +(180:.5) and +(-40:.3) ..(-1.4,1.1)
..controls +(-70:.5) and +(165:.3) ..(-.8,.4)
..controls +(-80:1.3) and +(90:1.3) ..(-1.9,-1.1)
;
}
\draw[black]\V2;
%%%%%%%Cánh
\def\Ca{ 
(-.65,-.8)
..controls +(-40:1.3) and +(155:2.1) ..(0,-2.4)
..controls +(-25:.5) and +(-155:.6) ..(2.2,-2.5)--(1.95,-2.35)
..controls +(155:.3) and +(-30:.2) ..(.6,-2.35)
..controls +(150:.1) and +(-140:.6) ..(1.95,-2.1)
..controls +(150:.3) and +(-40:.6) ..(.3,-2)
..controls +(-40:.3) and +(-140:.5) ..(1.65,-1.8)
..controls +(150:.3) and +(-40:.5) ..(.3,-1.8)
..controls +(-30:.3) and +(-110:.4) ..(1.25,-1.5)
..controls +(-150:.2) and +(-20:.4) ..(.3,-1.62)
..controls +(0:.3) and +(-120:.4) ..(1,-1.3)
..controls +(-140:.2) and +(-10:.4) ..(.3,-1.42)
..controls +(30:.3) and +(-140:.3) ..(.9,-1.2)
..controls +(150:.2) and +(20:.2) ..(.2,-1.25)
..controls +(30:.3) and +(-160:.1) ..(.5,-1.15)
..controls +(150:.1) and +(20:.2) ..(.1,-1.05)
..controls +(150:.05) and +(20:.05) ..(-.25,-1)
..controls +(120:.15) and +(10:.15) ..cycle
;
}
\fill[red-brown] \Ca;
\draw[black]\Ca;
		
\def\E{ 
(.5,-2.48)
..controls +(-30:.2) and +(-150:.2) ..(1.8,-2.53)
..controls +(30:.2) and +(10:.2) ..(.8,-2.42)
(.5,-2.2)
..controls +(-30:.2) and +(-150:.2) ..(1.5,-2.22)
..controls +(30:.2) and +(10:.2) ..(.5,-2.25)
(.2,-2)
..controls +(-10:.2) and +(-150:.2) ..(1.1,-2.02)
..controls +(30:.2) and +(10:.2) ..(.2,-1.98)
(.2,-1.76)
..controls +(-10:.2) and +(-150:.2) ..(.8,-1.77)
..controls +(30:.2) and +(10:.2) ..(.2,-1.75)
(.2,-1.55)
..controls +(-10:.15) and +(-150:.15) ..(.6,-1.56)
..controls +(30:.15) and +(10:.15) ..(.2,-1.53)
;
}
\fill[indigo(dye)] \E;
\draw[black]\E;
%%%%%%%%%%
\def\Ca3{ 
(0,-2.4)
..controls +(-25:.2) and +(-170:.2) ..(.85,-2.45)
..controls +(140:.5) and +(-30:.3) ..(.1,-2.2)
..controls +(-20:.3) and +(150:.2) ..(.75,-2.33)
..controls +(130:.4) and +(-20:.25) ..(0,-2)
..controls +(-10:.4) and +(155:.2) ..(.55,-2.1)
..controls +(120:.2) and +(0:.2) ..(-.05,-1.8)
..controls +(0:.3) and +(155:.2) ..(.45,-1.9)
..controls +(120:.3) and +(10:.2) ..(-.05,-1.65)
..controls +(0:.3) and +(150:.2) ..(.37,-1.7)
..controls +(120:.2) and +(10:.2) ..(-.05,-1.5)
..controls +(0:.2) and +(160:.2) ..(.37,-1.55)
..controls +(120:.2) and +(0:.2) ..(-.05,-1.35)
..controls +(10:.2) and +(-160:.1) ..(.3,-1.35)
..controls +(140:.1) and +(-5:.2) ..(-.05,-1.2)
..controls +(10:.2) and +(-160:.1) ..(.25,-1.2)
..controls +(140:.1) and +(20:.2) ..(-.18,-1.01)
..controls +(-140:.3) and +(150:.3) ..cycle
;
}
\fill[darkspringgreen] \Ca3;
\draw[black]\Ca3;
\def\Ca2{ 
(0,-2.4)
..controls +(-25:.2) and +(-170:.2) ..(.85,-2.45)
..controls +(140:.5) and +(-30:.3) ..(.1,-2.2)
..controls +(-20:.3) and +(150:.2) ..(.75,-2.33)
..controls +(130:.4) and +(-20:.25) ..(0,-2)
..controls +(-10:.4) and +(155:.2) ..(.55,-2.1)
..controls +(120:.2) and +(0:.2) ..(-.05,-1.8)
..controls +(0:.3) and +(155:.2) ..(.45,-1.9)
..controls +(120:.3) and +(10:.2) ..(-.05,-1.65)
..controls +(0:.3) and +(150:.2) ..(.37,-1.7)
..controls +(120:.2) and +(10:.2) ..(-.05,-1.5)
..controls +(0:.2) and +(160:.2) ..(.37,-1.55)
..controls +(120:.2) and +(0:.2) ..(-.05,-1.35)
..controls +(10:.2) and +(-160:.1) ..(.3,-1.35)
..controls +(140:.1) and +(-5:.2) ..(-.05,-1.2)
..controls +(10:.2) and +(-160:.1) ..(.25,-1.2)
..controls +(140:.1) and +(20:.2) ..(-.2,-1.05)
;
}
%\draw[black]\Ca2;
%=================Tay phải 
\def\T2{ 
(0,3)--(2,3)
..controls +(-5:1.65) and +(50:1.1) ..(2.9,.35)
..controls +(-90:.3) and +(50:.2) ..(2.55,-.5)
..controls +(-90:.3) and +(50:.2) ..(2.3,-1)
..controls +(-140:.4) and +(-30:.45) ..(1.55,-1.45)
..controls +(150:.1) and +(50:.2) ..(1.2,-1.55)
..controls +(-130:.05) and +(-50:.05) ..(1.02,-1.58)%1
..controls +(-130:.05) and +(-50:.05) ..(.88,-1.55)
..controls +(-150:.05) and +(-120:.05) ..(.85,-1.28)
..controls +(130:.4) and +(150:.3) ..(1.5,-.75)--(1.7,-.5)%ao
..controls +(95:.3) and +(-140:.3) ..(1.9,.4)
..controls +(95:.3) and +(-110:.3) ..(2,1.5)
..controls +(110:.3) and +(-130:.3) ..(2,2.5)--(.2,2.5)
--cycle
;
}
\fill[palepink!70] \T2;
\draw[black]\T2;
%-------------------
\draw (2,1.5)
..controls +(50:.15) and +(-85:.15) ..(2.15,2)
(.1,1.5)
..controls +(110:.1) and +(-60:.1) ..(0,1.85);
%vòng tay
\draw[fill=darkspringgreen](1.5,-.75)
..controls +(50:.4) and +(90:.4) ..(2.1,-1.2)
..controls +(-90:.2) and +(-90:.2) ..(2.35,-1.2)
..controls +(90:.5) and +(30:.5) ..(1.55,-.5)
..controls +(-150:.2) and +(150:.1) ..cycle;
%=================Vòng cổ
\def\V{  
(2.2,2.7)
..controls +(-80:.2) and +(50:.3) ..(2.05,2.2)
..controls +(-80:.2) and +(30:.2) ..(1.7,1.85)
..controls +(-150:.2) and +(0:.4) ..(1.2,1.75)
..controls +(180:.25) and +(-150:.3) ..(1.25,1.4)
..controls +(30:.1) and +(30:.1) ..(1.2,1.6)
..controls +(100:.2) and +(-140:.6) ..(1.85,1.8)
..controls +(10:.2) and +(-90:.2) ..(2.2,2.1)
..controls +(40:.3) and +(-70:.3) ..(2.32,2.7)
;
}
\fill[fill=aliceblue]  \V;
\draw[black]\V;

\fill[fill=aliceblue,xscale=-1,shift={(-1.68,-.2)},rotate=12]  \V;
\draw[xscale=-1,shift={(-1.68,-.2)},rotate=12]\V;
%=================Khuôn Mặt
\def\M{ 
(-.05,3.35)
..controls +(100:2.6) and +(75:2) ..(2.45,3.35) %đỉnh tai 
..controls +(-40:.1) and +(20:.1) ..(2.4,2.85)
..controls +(-160:.1) and +(-20:.3) ..(2.1,2.65)
..controls +(-115:1.65) and +(-93:1.45) ..cycle
;
}
\fill[palepink!70] \M;
\draw[black]\M;
%-------Tóc
\path (.9,4.8) coordinate (I)
(2.4,4) coordinate (J);
%\fill[falured] (I) circle(.4cm);

\fill[black](I)--($(I)+(-.25,-.09)$)
..controls +(-20:.2) and +(-140:.2) ..($(I)+(.25,-.03)$)--cycle
;
\def\R{.6cm}
\foreach \i in{2,3,...,8}
{
\draw (I)..controls +(0:.15) and +(120-\i*5:.15) ..($(I)+(-10*\i:\R-.2*\i)$);
}

\foreach \i in{2,3,...,6}
{
\draw (I)..controls +(-180+\i*10:.15) and +(85-\i*3:.15) ..($(I)+(-170+10*\i:\R-.2*\i)$);
}

\foreach \i in{2,3,...,6}
{
\draw (I)..controls +(-140+\i*20:.2) and +(80-\i*3:.15) ..($(I)+(-120+7*\i:\R-.2*\i)$);
}
%---------------
\foreach \i in{2,3,...,6}
{
\draw[rotate=10] (J)..controls +(-180+\i*10:.15) and +(90+\i*2:.15) ..($(J)+(-150+10*\i:\R-.2*\i)$);
}
%tai
\draw(2.1,3.3) %đỉnh tai 
..controls +(60:.2) and +(130:.15) ..(2.45,3.35);
\draw (2.25,3.2) 
..controls +(20:.2) and +(70:.1) ..(2.32,3)
..controls +(-110:.2) and +(-20:.2) ..(2.1,2.8);
\draw (2.25,3.05)
..controls +(100:.1) and +(100:.1) ..(2.2,2.9);
%mũi
\draw (.6,3)
..controls +(-90:.2) and +(170:.25) ..(.65,2.65)
..controls +(-80:.1) and +(-100:.1) ..(.9,2.65)
..controls +(-30:.1) and +(-50:.1) ..(1,2.8)
;
%mÔi
\draw (.57,2.43)
..controls +(40:.1) and +(150:.05) ..(.78,2.45)
..controls +(40:.1) and +(150:.05) ..(1.02,2.43)
..controls +(-110:.35) and +(-70:.27) ..cycle
;
\draw (.52,2.46)
..controls +(-45:.2) and +(-130:.2) ..(1.13,2.52);

%lông mày
\draw (.95,3.4)
..controls +(30:.3) and +(140:.25) ..(1.7,3.3);
\draw (0,3.4)
..controls +(40:.2) and +(130:.3) ..(.55,3.3);

%mắt phải 
\draw[fill=cosmiclatte] (.95,3.05)
..controls +(-30:.2) and +(-160:.15) ..(1.47,3.05)
..controls +(130:.2) and +(55:.15) ..cycle;
\draw (1.47,3.05)
..controls +(-50:.05) and +(-160:.05) ..(1.7,3);

\draw (1.05,2.95)
..controls +(-25:.15) and +(-150:.15) ..(1.42,3);

%mắt trái
\draw[fill=cosmiclatte] (.02,3.13)
..controls +(-40:.2) and +(-165:.15) ..(.5,3.05)
..controls +(125:.2) and +(50:.15) ..cycle;
\draw (.05,3.02)
..controls +(-40:.15) and +(-160:.1) ..(.45,3);

\draw[fill=black] (1.22,3.07) circle(2.2pt);
\draw[fill=black] (.25,3.11) circle(2.2pt);
%=================Áo
\path (-1.7,-1)
..controls +(-95:1.7) and +(180:1) ..(.5,-3) foreach \i in{0,1,2,...,30}{coordinate[pos=\i/30](A\i)};
\path (-1.9,-1.1)
..controls +(-95:1.7) and +(180:1.4) ..(.8,-3.2)
foreach \i in{0,1,2,...,30}{coordinate[pos=\i/30](B\i)};
%--------------
\foreach \i in{0,1,2,...,8,9}
{
\draw (A\i)..controls +(-140:.1) and +(70:.1) ..($(B\i)+(\i*.01,-.1)$)
;
}
\draw (A10)..controls +(-130:.08) and +(110:.08) ..($(B10)+(.1,-.1)$)
;
%---------------
\foreach \i in{11,12,...,19,20}
\pgfmathsetmacro {\j} {\i+1}
{
\draw (A\i)..controls +(-100:.1) and +(120:.1) ..(B\j)
;
}
%============
\foreach \i in{21,22,...,29}
\pgfmathsetmacro {\j} {\i+1}
{
\draw (A\i)..controls +(-110:.1) and +(150:.1) ..(B\j)
;
}
%------------
\path (2,-3.2)
..controls +(0:1.55) and +(-95:1) ..(3.7,-1.3)foreach \i in{0,1,2,...,12}{coordinate[pos=\i/12](C\i)};

\path (2,-3.05)
..controls +(0:.8) and +(-95:.6) ..(3,-2)foreach \i in{0,1,2,...,12}{coordinate[pos=\i/12](D\i)};

\foreach \i in{0,1,...,3}
\pgfmathsetmacro {\j} {\i+1}
{
\draw (C\j)..controls +(-150:.25) and +(-40:.2) ..(D\i)
;
}
\draw ($(D5)+(-.05,-.05)$)..controls +(30:.3) and +(-140:.3) ..($(C5)+(-.1,-.05)$)
;
\foreach \i in{5,...,7}
\pgfmathsetmacro {\j} {\i+1}
{
\draw (C\i)..controls +(-150:.3) and +(40:.3) ..(D\j)
;
}
\draw ($(D8)+(.05,.1)$)..controls +(40:.3) and +(-110:.3) ..($(C8)+(-.05,0)$);
\foreach \i in{9,10,11}
{
\draw ($(C\i)+(0,-.1)$)..controls +(-120:.4) and +(55:.3) ..($(D\i)+(0,.1)$)
;
}
%--------------
\path (2.85,-1.6)
..controls +(140:1.8) and +(40:1) ..(-.5,-.75) foreach \i in{0,1,2,...,40}{coordinate[pos=\i/40](E\i)};
\path (2.8,-1.8)
..controls +(140:1.6) and +(40:.8) ..(-.3,-.85)foreach \i in{0,1,2,...,40}{coordinate[pos=\i/40](F\i)};
\foreach \i in{1,2,...,5}
{
\draw (E\i)..controls +(-40:.1) and +(50:.1) ..($(F\i)+(.05,0)$)
;
}
\foreach \i in{20,22,24,...,28}
{
\draw (E\i)..controls +(-30:.1) and +(90:.15) ..($(F\i)+(.1,.005)$)
;
}
\foreach \i in{30,32,34,...,40}
{
\draw (E\i)..controls +(0:.1) and +(130:.1) ..($(F\i)+(.1,.005)$)
;
}
%------------%Đầu
\def\Mo{ 
(-1.4,1.1)
..controls +(-20:.2) and +(-40:.2) ..(-1.2,1.3)
..controls +(140:.3) and +(-130:.2) ..(-1.3,1.8)
..controls +(175:.3) and +(-60:.2) ..(-1.95,2.15)
..controls +(-90:.6) and +(90:.7) ..cycle
(-1.95,2.15)
..controls +(-90:.6) and +(90:.7) ..(-1.4,1.1)
..controls +(110:.7) and +(-90:.8) ..cycle
;
}
\fill[red-brown] \Mo;
\draw[black]\Mo;
%----------------------------
\def\D{ 
(-.45,.7)
..controls +(180:.5) and +(-40:.3) ..(-1.4,1.1)
..controls +(-20:.2) and +(-40:.2) ..(-1.2,1.3)
..controls +(140:.3) and +(-130:.2) ..(-1.3,1.8)
..controls +(10:.2) and +(140:.4) ..(-.6,1.4)
..controls +(-40:.2) and +(85:.2) ..cycle
;
}
\fill[darkjunglegreen] \D;
\draw[black]\D;

\def\E{  
(-.8,1)
..controls +(120:.1) and +(150:.15) ..(-.7,1.15)
..controls +(-30:.1) and +(40:.05) ..(-.75,1.12)
..controls +(-140:.05) and +(-60:.1) ..cycle;}
\fill[darkspringgreen] \E;
\fill[darkspringgreen,shift={(-.3,-.25)},rotate=-20]\E;
\fill[darkspringgreen,shift={(-1.5,3.2)},rotate=160,scale=1.4]\E;
\fill[darkspringgreen,shift={(-2.15,1.8)},rotate=-160]\E;
%===============
\path (-.18,-1.01)
..controls +(-140:.25) and +(130:.3) ..(-.13,-2.2)  foreach \i in{0,1,2,...,9}{coordinate[pos=\i/9](R\i)};
\path (-.05,-1.01)
..controls +(-110:.3) and +(120:.3) ..(.05,-2.2)  foreach \i in{0,1,2,...,9}{coordinate[pos=\i/9](T\i)};

\foreach \i in{0,1,2,3,...,9}
{
\draw (R\i)..controls +(-30:.05) and +(-170:.05) ..(T\i)
;
}
%=================
\draw[black] (-1.5,1.85)
..controls +(-170:.05) and +(70:.05) ..(-1.6,1.75)
(-1.42,1.83)
..controls +(-170:.05) and +(70:.05) ..(-1.5,1.72);
%Mat 
\draw[fill=darkspringgreen] (-1.14,1.58) circle(1mm);
\draw[fill=black] (-1.145,1.585) circle(.4mm);
%----------------------------------------------
\path (-.5,.5)
..controls +(180:.4) and +(-40:.2) ..(-1.2,.8) foreach \i in{0,1,2,...,8}{coordinate[pos=\i/8](G\i)};
\path (-.45,.7)
..controls +(180:.5) and +(-40:.3) ..(-1.4,1.1) foreach \i in{0,1,2,...,8}{coordinate[pos=\i/8](H\i)};

\foreach \i in{2,3,4,...,8}
{
\draw (H\i)..controls +(-90:.1) and +(130:.1) ..(G\i)
;
}
\foreach \i in{0,1,2}
{
\draw ($(H\i)+(-.1,0)$)..controls +(-100:.1) and +(150:.1) ..($(G\i)+(.05,0)$)
;
}
\draw ($(H1)+(-.02,0)$)..controls +(-100:.1) and +(150:.1) ..($(G1)+(.15,0)$)
;
%------------------
\path (-.8,.4)
..controls +(-80:1.3) and +(90:1.3).. (-1.9,-1.1)foreach \i in{0,1,2,...,10}{coordinate[pos=\i/10](P\i)};
\path (-.6,.4)
..controls +(-80:1.3) and +(90:.8)..(-1.7,-1.1)foreach \i in{0,1,2,...,10}{coordinate[pos=\i/10](Q\i)};
\foreach \i in{3,4,5,6,7}{
\pgfmathsetmacro {\j} {\i+1}
{
\draw (Q\j)..controls +(130:.15) and +(-130:.1) ..(P\i)
;
}}
\foreach \i in{0,1,2}{
\pgfmathsetmacro {\j} {\i+1}
{
\draw (P\i)..controls +(-70:.15) and +(-150:.1) ..($(Q\i)+(0,-.1)$)
;
}}
\draw ($(Q8)+(-.15,-.2)$)..controls +(130:.15) and +(-110:.1) ..(P8);
\draw ($(P0)+(0,-.1)$)..controls +(-70:.05) and +(-150:.1) ..($(Q0)+(0,-.23)$);
%------------
%khe ngon tay
\def\N{ 
(.85,-1.28)
..controls +(60:.1) and +(-120:.15) ..(1.1,-.95)
(.9,-1.56)
..controls +(90:.3) and +(-100:.15) ..(1.27,-1.05)
(1.02,-1.58)
..controls +(85:.3) and +(-110:.1) ..(1.45,-1.2)
;
}
\draw[black]\N;
\def\N1{ 
(.84,-1.43)
..controls +(10:.02) and +(90:.02) ..(.9,-1.45)
..controls +(-20:.02) and +(80:.2) ..(.98,-1.59)
(1.06,-1.45)
..controls +(15:.05) and +(80:.1) ..(1.1,-1.58)
;
}
%\fill[palepink!70] \N1;
\draw[black]\N1;

\def\B{ 
(1.68,-3.55)%long chan
..controls +(-55:.5) and +(-40:.35) ..(2.1,-3.25)
..controls +(140:.3) and +(130:.2) ..(1.8,-3.45)
..controls +(60:.5) and +(-40:.6) ..cycle
;
}
\fill[red-brown] \B;
\draw[black]\B;
\draw[black](1.68,-3.55)%long chan
..controls +(100:.2) and +(-175:.2) ..(1.9,-3.18);
}}

\path
(0,0)pic[scale=1]{vit};

\node[falured,scale=.7,inner sep=0,align=left,
font=\fontfamily{qag}\selectfont] at (3,-4.5) 
{Code by Lương Như Quỳnh};

\node[black,scale=2,inner sep=0,align=left] at (-3,4.5) {富};
\node[black,scale=2,inner sep=0,align=left] at (-3,3.5) {贵};
\end{tikzpicture}
        

👤 11:07:45 - 27/10/2025

1 1

0

Code TikZ:

time

👤 06:04:14 - 24/08/2025

4 4

0

Code TikZ:

            \definecolor{c1}{HTML}{667EEA} % #667eea
	\definecolor{c2}{HTML}{764BA2}
	\begin{tikzpicture}[scale=2]
		\pgfmathsetmacro{\a}{1 + sqrt(5)}
		\pgfmathsetmacro{\dr}{sqrt(2)/2 - 1/\a}
		\tikzset{
			myshape/.pic={
				\pgfmathsetmacro{\a}{1 + sqrt(5)}
				\pgfmathsetmacro{\dr}{sqrt(2)/2 - 1/\a}
				\path[
				shading=axis,
				left color=c1, right color=c2,
				shading angle=-45, draw=none
				]
				(0,0)
				arc[start angle=0, end angle=45, radius={2/\a}]
				coordinate (Bprime)
				arc[start angle=225, end angle=315, radius={2*\dr}]
				coordinate (Cprime)
				arc[start angle=135, end angle=180, radius={2/\a}]
				-- cycle;
			}
		}
		\pic at (0:{1/\a})  {myshape};
		\pic[rotate around={90:(0,0)}] at (1,1/\a) {myshape};
		\pic[rotate around={180:(0,0)}] at (1-1/\a,1) {myshape};
		\pic[rotate around={270:(0,0)}] at (0,1-1/\a) {myshape};
		\fill[shading=axis,
		left color=c1, right color=c2,
		shading angle=-45, draw=none] (45:{sqrt(2)/2}) circle (1/\a);
	\end{tikzpicture}
        

👤 19:10:17 - 22/08/2025

2 2

0

Code TikZ:

            \begin{tikzpicture}
\matrix (m) [matrix of nodes, nodes in empty cells, nodes={minimum width=1.5cm, minimum height=1.25cm, draw, anchor=center, align=center},
             column sep=-\pgflinewidth, row sep=-\pgflinewidth]% Thiết lập ma trận
{
%Dòng số đo góc
 |[minimum width=3cm,minimum height=1.8cm]| &  |[minimum height=1.8cm]|$0^\circ$ &  |[minimum height=1.8cm]|$30^\circ$ & |[minimum height=1.8cm]| $45^\circ$ &  |[minimum height=1.8cm]|$60^\circ$ &  |[minimum height=1.8cm]| $90^\circ$ & |[minimum height=1.8cm]|$120^{\circ}$ & |[minimum height=1.8cm]|$135^{\circ}$ & |[minimum height=1.8cm]|$150^{\circ}$ & |[minimum height=1.8cm]|$180^{\circ}$ \\  
 %Dòng sin
 |[minimum width=3cm]| $\sin$ & $0$ & $\frac{1}{2}$ & $\frac{\sqrt{2}}{2}$ & $\frac{\sqrt{3}}{2}$ & $1$ & & & & \\ 
%Dòng cos
  |[minimum width=3cm]| $\cos$ & $1$ & $\frac{\sqrt{3}}{2}$ & $\frac{\sqrt{2}}{2}$ & $\frac{1}{2}$ & $0 $ & & & &\\ 
 %Dòng tan
  |[minimum width=3cm]| $\tan $& $0$ & $\frac{\sqrt{3}}{3}$ & $1$ & $\sqrt{3}$ & $||$  & & & &\\
 %Dòng cot
 |[minimum width=3cm]| $\cot$ & $||$ & $\sqrt{3}$ & $1$ & $\frac{\sqrt{3}}{3}$ & $0$  & & & & \\
};
% Vẽ ô góc chéo
\draw (m-1-1.north west) -- (m-1-1.south east);
% Thêm nhãn vào ô chéo
\node[font=\small,above right, align=center] at (m-1-1.south west) {Giá trị \\ lượng giác};
\node[font=\small, below left] at (m-1-1.north east) {$\alpha$};
\end{tikzpicture}
        

👤 20:25:36 - 18/08/2025

2 2

0

Code TikZ:

            \begin{tikzpicture}
\definecolor{mu}{RGB}{237,27,36}
\definecolor{toc}{RGB}{1,0,102}
\definecolor{co}{RGB}{39,92,172}
\definecolor{da}{RGB}{255,255,255}
\definecolor{mat}{RGB}{53,94,80}
\definecolor{nenng}{RGB}{38, 35, 34}
\definecolor{nentr}{RGB}{56, 51, 51}
\definecolor{vangdam}{RGB}{99, 51, 0}
\definecolor{vanglat}{RGB}{227, 199, 128}
\definecolor{vangbien}{RGB}{202, 174, 110}
\fill[black]
(-8,-6) rectangle(8,10) ;
%========================================
\path(0,3)--++(-135:1.2)coordinate(a)--++(-60:.8)coordinate(c);
\path(0,2.4)--++(-135:.5)coordinate(e);
%===============
%body
\fill[vanglat]
(0,3)--++(-45:1.2)coordinate(a)--++(-120:.8)coordinate(b)--
(2,0)--(0,-2.2)--(-2,0)--(c)--++(120:.8)--cycle;
%========================================
\fill[black]
(0,2.4)--++(-45:.5)coordinate(d)--(0,1.5)--(e)--cycle;

\fill[black](1.47,0)--++(-130:1)--++(0,.5)
--++(115:1.2)--++(0,.25)--cycle;

\fill[black](-1.47,0)--++(-50:1)--++(0,.5)
--++(65:1.2)--++(0,.25)--cycle;
%========================================
%head
\path(0,3.12)--++(-135:.5)--++(135:.2)--++(0,.2)coordinate(f);


\fill[vanglat](0,3.12)--++(-45:.5)--++(45:.2)--++(0,.2){[rounded corners=2pt]--(0,3.6)}--(f)--++(0,-.2)--++(-45:.2)--cycle;

%========================================
%above legs

\def\A{
(0,3.12)++(-45:.6) coordinate (g)--++(45:.25)--++(0,1)
--++(120:.4){[rounded corners=2pt]--++(-40:.5)}--++(0,-1.1)--([shift={(-45:.2)}]g)--cycle}

\fill[vanglat]\A;
\fill[vanglat,xscale=-1]\A;
\path(0,3.12)++(-45:1.25) coordinate (h);
\def\B{(0,3.12)++(-45:1.25)--++(135:.3)--++(60:.5)coordinate(k)--++(93:5)--++(-45:.3)--([shift={(.25,-.1)}]k)--cycle}
\fill[vanglat]\B;
\fill[vanglat,xscale=-1]\B;
%========================================
%bellow legs
\def\C{(0,2.4)++(-45:.5)
++(-30:.5)--++(-120:.3)--++(-40:2.8)--++(-130:3.4)--++(10:.6)--++(45:3.5)--cycle}

\fill[vanglat]\C;
\fill[vanglat,xscale=-1]\C;

\def\D{(0,2.4)++(-30:1.1)--++(60:1)--++(95:4)--++(-45:.6)--++(-80:4.2)--++(160:.6)--++(-125:.4)
--++(-30:5)--++(-130:4)--++(-160:.8)--++(55:4)--cycle}

\fill[vanglat]\D;
\fill[vanglat,xscale=-1]\D;










%========================================


\end{tikzpicture}
        

👤 15:50:01 - 17/08/2025

0 0

0

Code TikZ:

            \definecolor{myblue}{HTML}{1D2A6E}
\begin{tikzpicture}
%====================================
%====================================
\fill[yellow!50]  circle(7cm);
%====================
\fill[red]
(-4,-4){[rounded corners=20pt]--(-4,4.5)--(0.5,4.5)}--(0.5,2.5)
--(2.5,4.5)--(4.5,4.5)--(-1,-1){[rounded corners=20pt]--(-1,3)--(-2.5,3)}--(-2.5,-2.5)--cycle;
%====================================
\fill[myblue]
(-.5,-1)--(4.5,4)--(4.5,-1)--(3,-1)--++(0,.75)--++(-1,0)--(1.25,-1)--cycle;
%====================================
\fill[myblue]
(-3.5,-4)--(-2,-2.5)--(0,-2.5)--(-1.5,-4)--cycle;
%===========

\fill[red]
(-.5,-3.5)--(4.5,-3.5)|-(-1,-4)--cycle;
\fill[myblue]
(.5,-2.5)--(4.5,-2.5)|-(0,-3)--cycle;
%========
\draw[ultra thick]  circle[radius=7cm] circle[radius=8cm]  ;
\draw[line width=2mm]  circle[radius=8.4cm]  ;

\path [rotate=210,postaction={decoration={text along path,text format delimiters={|}{|}, text={|\Huge| 
LABORATORY OF MATHEMATICS AND ITS APPLICATIONS {\pgfornament[scale=.4,ydelta=-9pt]{15}} UNIVERSITY OF MEDEA{\pgfornament[scale=.4,ydelta=-9pt]{15}}},
     text align=fit to path,reverse path}, decorate}] 
    circle[radius=7.2cm] ; 
%===========
%=======
%\node[font=\Large\bfseries\color{white}] at(.75,-2.25){LMA};
\node[font=\bfseries\sffamily\fontsize{40}{35}\selectfont\color{red}] at(.25,-1.75){L\hspace{7mm}M\hspace{7mm}A};






\end{tikzpicture}
        

👤 19:28:59 - 08/08/2025

1 1

0

Code TikZ:

            \begin{tikzpicture}[
		declare function={
			a=4;
			b=a/4;
			k=.6;
			h=3;
			yo=b*b/h;
			go=asin(yo/b);
			xo=a*cos(go);
			ax=a*k;
			bx=b*k;
		},
		join=round,
		cap=round,
		scale=.85
		]
		
		% Định nghĩa các điểm
		\coordinate (O) at (0,0);
		\coordinate (S) at (0,h);
		\coordinate (B) at ({a*cos(60)},{b*sin(60)});
		\coordinate (A) at ({a*cos(-80)},{b*sin(-80)});
		\coordinate (I) at ($(A)!0.5!(B)$);
		\coordinate (H) at ($(S)!0.75!(I)$);
		
		% Các đoạn thẳng
		\draw[densely dashed]
		(H) -- (O) -- (S) -- (I) -- (O)
		(S) -- (B) -- (A) -- (O) -- (B);
		
		% Vẽ cung elip
		\draw[gray, densely dotted]
		({xo},{yo}) arc ({go}:{180-go}:{a} and {b});
		
		% Vẽ hình kín
		\draw
		(S) -- (A)
		(S) -- ({xo},{yo}) arc ({go}:{-180-go}:{a} and {b}) -- cycle;
		
		% Vẽ các điểm và nhãn
		\foreach \p/\g in {O/-120, S/90, A/-100, B/30, I/-60, H/30} {
			\fill[ball color=white] (\p) circle (.8pt);
			\node[shift={(\g:.15)}, scale=.6] at (\p) {$\p$};
		}
		
	\end{tikzpicture}
        

👤 11:42:59 - 23/07/2025

3 3

0

Code TikZ:

            \begin{tikzpicture}[domain=-2:2,samples=100,scale=1.0,>=latex]
\tikzset{bgrid/.style={help lines,color=blue!10,very thin}}

\draw[bgrid] (-1.5,-3.5) grid (7.5,3.5);

\draw[<->, color=black] (-1.5,0) -- (7.5,0) node[right] {$x$};
\draw[<->, color=black] (0,-3.5) -- (0,3.5) node[above] {$y$};

\foreach \x/\xtext in {-1,1,2,3,4,5,6,7}
\draw (\x cm,1pt) -- (\x cm,-1pt) node[anchor=north] {$\xtext$};

\foreach \y/\ytext in {-3,-2,-1,1,2,3}
\draw (1pt,\y cm) -- (-1pt,\y cm) node[anchor=east] {$\ytext$};

\draw[thick,color=black,domain=0:7.5,smooth]
plot (\x,{sqrt(\x)}) node[anchor=south] {$y = \sqrt{x}$};
\draw[dashed,color=black,domain=0:7.5,smooth]
plot (\x,{(-1)*(sqrt(\x))}) node[anchor=north] {$y = -\sqrt{x}$};
\draw[thick,color=black,domain=-1.5:5.5,samples=3]
plot (\x,{(\x)-2}) node[anchor=south] {$y = x - 2$};

\filldraw[black] (4,2) circle(2pt) node[anchor=south east] {$(4, 2)$};
\filldraw[red] (1,-1) circle(2pt);
\draw[red] (1.5,-1) node[anchor=west] {$(1, -1)$};

\end{tikzpicture}
        

👤 10:45:00 - 23/07/2025

3 3

0

Code TikZ:

            \begin{tikzpicture}[scale=2,font=\Large]
\coordinate (energy tip) at (0,0.1);
\coordinate (voltage waveform tip) at (0,-4.1);
\draw[fill=red!20] (energy tip)
  --++(2,1)--++(-1,0)--++(0,1)--++(-2,0)--++(0,-1)--++(-1,0)--++(2,-1);
\draw (energy tip)++(0,1) node {Energy};
\draw[fill=blue!20] (-2,-2) rectangle (2,0);
\draw (0,-1) node {Sensor};
\draw[fill=green!20] (voltage waveform tip)
  --++(2,1)--++(-1,0)--++(0,1)--++(-2,0)--++(0,-1)--++(-1,0)--++(2,-1);
\draw (voltage waveform tip)++(0,1) node[text width=2cm,align=center] {Voltage\\waveform};
\draw[domain=-3.141:3.141,smooth] plot (\x,{-5.5+sin(10*\x r)*cos(7*\x r)});
\end{tikzpicture}
        

👤 21:44:45 - 20/07/2025

2 2

0

Code TikZ:

            \begin{tikzpicture}
\draw[orange, ultra thick] (4,0) -- (6,0) -- (5.7,2) -- cycle;
\end{tikzpicture}
        

👤 21:30:36 - 20/07/2025

2 2

0

Code TikZ:

            \begin{tikzpicture}
\draw[gray, thick] (-1,2) -- (2,-4);
\draw[gray, thick] (-1,-1) -- (2,2);
\filldraw[black] (0,0) circle (2pt) node[anchor=west]{Intersection point};
\end{tikzpicture}
        

👤 22:22:50 - 10/07/2025

1 1

0

Code TikZ:

            \begin{tikzpicture}[x=.5cm]
  \draw[thick] (0,0) grid [step=1]     (3,2);
  \draw[red]   (0,0) grid [step=.75cm] (3,2);
\end{tikzpicture}
\begin{tikzpicture}
  \draw        (0,0) circle [radius=1];
  \draw[blue]  (0,0) grid [step=(45:1)] (3,2);
\end{tikzpicture}
        

👤 06:06:52 - 10/07/2025

1 1

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1]
		\fill (0,0) coordinate [label=above left:$A$] (A) circle(1pt)
		(0:4) coordinate [label=below right:$B$] (B) circle(1pt)
		(-30:3) coordinate [label=below:$C$] (C) circle(1pt)
		(90:3) coordinate [label=left:$E$] (A') circle(1pt)
		($(A)+(C)-(B)$) coordinate [label=below right:$D$] (D) circle(1pt)
		($(A')+(B)-(A)$) coordinate [label=below right:$F$] (B') circle(1pt)
		($(A')+(C)-(A)$) coordinate [label=below right:$G$] (C') circle(1pt)
		($(A')+(C')-(B')$) coordinate [label=below right:$H$] (D') circle(1pt);
		\draw[thick,dashed,cyan] (C')--(D')--(A')--(B') (C)--(C') (C)--(B)--(B')--(C') (C)--(D)--(D');
		\draw[dashed,red] (D)--(A)--(B) (A')--(A);
	\end{tikzpicture}
        

👤 07:20:58 - 09/07/2025

1 1

0

Code TikZ:

            \begin{tikzpicture}[line cap=round,line join=round,font=\footnotesize,>=stealth,scale=1]
		\fill (0,0) coordinate [label=above left:$A$] (A) circle(1pt)
		(0:4) coordinate [label=below right:$B$] (B) circle(1pt)
		(-30:3) coordinate [label=below:$C$] (C) circle(1pt)
		(90:3) coordinate [label=left:$E$] (A') circle(1pt)
		($(A)+(C)-(B)$) coordinate [label=below right:$D$] (D) circle(1pt)
		($(A')+(B)-(A)$) coordinate [label=below right:$F$] (B') circle(1pt)
		($(A')+(C)-(A)$) coordinate [label=below right:$G$] (C') circle(1pt)
		($(A')+(C')-(B')$) coordinate [label=below right:$H$] (D') circle(1pt);
		\draw[thick,cyan] (C')--(D')--(A')--(B') (C)--(C') (C)--(B)--(B')--(C') (C)--(D)--(D');
		\draw[dashed,red] (D)--(A)--(B) (A')--(A);
	\end{tikzpicture}
        

Bot-Tikz-26

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Bot-Tikz-26

📂 Danh sách các file SVG đã tạo

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