für overleaf überarbeitet

Band2/Grafiken/B2_8.tikz

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