added a program, some testing documents and math homework

schule/mathe/tests/plotting.typ

@@ -0,0 +1,43 @@
+#import "@preview/cetz:0.3.1"
+#import "@preview/cetz-plot:0.1.0": plot, chart
+
+#cetz.canvas({
+  // Your plot/chart code goes here
+  plot.plot(
+    size: (2, 2),
+    x-tick-step: none,
+    y-tick-step: none,
+    {
+      plot.add(((0, 0), (1, 1), (2, .5), (4, 3)))
+    },
+  )
+})
+
+#cetz.canvas({
+  let opts = (x-tick-step: none, y-tick-step: none, size: (2, 1))
+  let data = plot.add(((-1, -1), (1, 1)), mark: "o")
+  for name in (none, "school-book", "left", "scientific") {
+    plot.plot(axis-style: name, ..opts, data, name: "plot")
+  }
+})
+
+#cetz.canvas({
+  import cetz.draw: *
+  import cetz.plot: *
+
+  // Erstelle eine Plotumgebung
+  plot.plot(
+    size: (4, 4),
+    x-tick-step: none,
+    y-tick-step: none,
+    {
+      // Beispiel einer Funktionsschar (Scharparameter a):
+      for a in (-2, -1, 0, 1, 2) {
+        plot.add(domain: (-2 * calc.pi, 2 * calc.pi),
+                     t => (t, a * calc.sin(t)),   // Hier f(x) = a * sin(x)
+                     mark: "o")
+      }
+    },
+  )
+})
+