56 lines
1.6 KiB
Plaintext
56 lines
1.6 KiB
Plaintext
\begin{tikzpicture}[line cap=round,line join=round,x=1cm,y=1cm]
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\tikzset{
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every pin/.style={fill=yellow!50!white,rectangle,rounded corners=3pt,font=\tiny},
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small dot/.style={fill=black,circle,scale=0.3},}
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\begin{axis}[
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x=2cm,y=2cm,
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axis lines=middle,
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axis line style = {-latex},
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xmin=-0.5,
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xmax=3,
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ymin=-0.5,
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ymax=2,
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ytick=\empty,
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xtick=\empty,
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xlabel=$x$,
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ylabel=$y$,
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extra x ticks={1.3},
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extra x tick style={
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tick label style={anchor=north}},
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extra x tick labels={$x_0$},
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extra y ticks={1.14},
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extra y tick style={
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tick label style={anchor=east}},
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extra y tick labels={$\displaystyle \sqrt{x_0}$},
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enlargelimits = true,
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]
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\draw [thick, dashed]
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(axis cs: -0.05,1.14) -- (axis cs: 1.3,1.14);
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\draw [thick, dashed]
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(axis cs: 1.3,-0.05) -- (axis cs: 1.3,1.14);
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\node[label={180:{}},circle,fill,inner sep=1.5] at (axis cs:1.3,1.14) {};
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\node[label={300:{$0$}},circle,fill,inner sep=1.5] at (axis cs:0,0) {};
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% node[pos=0.5, above] {$y=12$};
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% \addplot coordinates { (0,1.14) (1.3,1.14) };
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% \addplot coordinates { (1,4) (2,6) };
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% \draw (axis cs:2,3) -- node[left]{Text} (axis cs:2,6);
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\addplot[domain=0:2, blue, line width=1,samples=5000] {sqrt(x)};
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%\addplot[domain=-3.8:-0.05, red, line width=1,samples=5000] {sin(deg(1/(x)))};
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\begin{scriptsize}
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\node () at (axis cs:2.2,1.7) {$\displaystyle y=\sqrt{x}\;(x \neq 0)$};
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\end{scriptsize}
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% \draw[] (axis cs:1.3, 0.1) -- (axis cs:1.3, -0.1);
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% \node () at (axis cs:1.3,-0.25) {$x_0$};
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% \draw[] (axis cs:1.14,-0.05) -- (axis cs:1.14, 0.05);
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% \node () at (axis cs:0.33,-0.45) {$\frac{1}{\pi}$};
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\end{axis}
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\end{tikzpicture} |