Band 2 Grafiken bis 2.4

Band2/Grafiken/B2.2.typ

@@ -0,0 +1,48 @@
+#import "@preview/cetz:0.4.2"
+#import "@preview/cetz-plot:0.1.3": plot
+
+#cetz.canvas({
+  
+    import cetz.draw: *
+    set-style(
+    axes: (
+      // Basisstil beibehalten
+      stroke: (thickness: 0.5pt),
+      // x-Achse: stealth-Pfeil am Ende
+      x: (mark: (end: "stealth", fill: black)),
+      // y-Achse: stealth-Pfeil am Ende
+      y: (mark: (end: "stealth", fill: black)),
+    ),
+  )
+  plot.plot(
+    name: "plot",
+    size: (5, 5),
+    x-tick-step: none,
+    y-tick-step: none,
+    axis-style: "school-book",
+    x-label: $x$,
+    y-label: $y$,
+    x-ticks: ((0.5, $1/2$),),
+    y-ticks: ((1, $1$),),
+    
+ //definitionen
+    {
+      let f = x => if x != 0.5 { (calc.pow(x, 2) - 0.25) / (x - 0.5) } else { none }
+      let x0 = 0.5
+      let y0 = 1
+    plot.add(f, domain: (-0.6, 0.75), style: (stroke: blue))
+
+    plot.add(((x0, 0), (x0, y0)), style: (stroke: (dash: "dashed", paint: gray, thickness: 0.75pt)))
+
+    plot.add(((0, y0), (x0, y0)), style: (stroke: (dash: "dashed", paint: gray, thickness: 0.75pt)))
+
+    plot.add(((x0, y0),), mark: "o")
+  
+    plot.add-anchor("F1", (-.7,0.5))
+    plot.add-anchor("F2", (-.7,0.35))
+    }
+  )
+    content("plot.F1", text(0.85em)[$y=(x^2-1/4)/(x-1/2)$], anchor: "west", name: "pt")
+    content("plot.F2", text(0.85em)[$(x eq.not 1/2)$], anchor: "west", name: "pt")
+})
+