From 586158a36dc543c9b66c04b20bfb475f24325ae0 Mon Sep 17 00:00:00 2001
From: Hussein Kabbout <hussein.kabbout@hotmail.com>
Date: Fri, 25 Sep 2020 17:23:54 +0200
Subject: [PATCH] Add python test dir

---
 test_python/main.py | 73 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 test_python/main.py

diff --git a/test_python/main.py b/test_python/main.py
new file mode 100644
index 0000000..0e29075
--- /dev/null
+++ b/test_python/main.py
@@ -0,0 +1,73 @@
+import numpy
+import matplotlib.pyplot as plt
+
+
+# matrix definition
+
+A = numpy.array([[1, 2, 3, 4], [2, 3, 4, 1], [3, 4, 1, 2], [4, 1, 2, 3]])
+B = numpy.array([[5, 4, 3, 2], [4, 3, 2, 5], [3, 2, 5, 4], [2, 5, 4, 3]])
+b = numpy.array([[1], [2], [3], [4]])
+
+
+def aufgabe_1():
+    # Teilaufgabe a
+    print("Teilaufgabe a")
+    print(A @ b)
+    print(B @ b)
+    print(A.transpose())
+    print(B.transpose())
+    print(A.transpose() @ A)
+    print(B.transpose() @ B)
+
+    # Teilaufgabe b
+    print("Teilaufgabe b")
+    print(A[3] @ B[1])
+
+    # Teilaufgabe c
+    print("Teilaufgabe c")
+    print(numpy.sum(A))
+    print(numpy.sum(B))
+
+
+def aufgabe_2():
+    # Abbildung 1
+    plt.figure()
+    plt.title("Abbildung 1")
+    plt.xlabel("x")
+    plt.ylabel("y")
+
+    x = numpy.arange(-5, 5, 0.05)
+    y = numpy.exp(x)
+    plt.plot(x, y)
+
+    # Abbildung 2
+    plt.figure()
+    plt.title("Abbildung 2")
+    plt.xlabel("x")
+    plt.ylabel("y")
+
+    x = numpy.arange(-10, 10, 0.1)
+    y = (x ** 5 + 3 * x ** 4 + 3 * x ** 2 + x + 1)
+    plt.plot(x, y)
+
+    # Abbildung 3
+    plt.figure()
+    plt.title("Abbildung 3")
+    plt.xlabel("x")
+    plt.ylabel("y")
+
+    x = numpy.arange(-2 * numpy.pi, 2 * numpy.pi, 0.01)
+    g = numpy.sin(3 * x) / 2
+    h = numpy.cos(3 * x) / 2
+    plt.plot(x, g)
+    plt.plot(x, h)
+
+    plt.show()
+
+
+if __name__ == "__main__":
+    print("Aufgabe 1")
+    aufgabe_1()
+
+    print("Aufgabe 2")
+    aufgabe_2()