Initial

README.md

@@ -1,3 +1,5 @@
 # pwr_project
 
-Project in python for module "Praktikum Wissenschaftliche Rechnen"
+Project in python for module "Praktikum Wissenschaftliche Rechnen" in "Applied Mathematics" at *TU Bergakademie Freiberg*.
+
+# 

src/matrix.py

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+class Matrix:
+    

src/vector.py

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+class Vector:
+    __data__ = []
+
+    def __init__(self, data):
+        if isinstance(data, list):
+            self.__data__ = data
+        elif isinstance(data, int):
+            self.__init__([0] * data)
+        else:
+            raise ValueError("data must be a list or an integer for dimension")
+
+    def get_data(self):
+        return self.__data__
+
+    def get_dimension(self):
+        return len(self.__data__)
+
+    def __iter__(self):
+        return iter(self.__data__)
+
+    def __eq__(self, other):
+        return self.__data__ == other.__data__
+
+    def __str__(self):
+        return f"{self.__data__}"
+
+    def __add__(self, other):
+        if self.get_dimension() != other.get_dimension():
+            raise ValueError("The vectors to be added must have the same dimension")
+
+        data = []
+        for (i, j) in zip(self, other):
+            data.append(i + j)
+
+        return Vector(data)
+
+    def __mul__(self, other):
+        if isinstance(other, Vector):
+            ...
+        elif isinstance(other, int) or isinstance(other, float):
+            ...
+        else:
+            raise ValueError("A vector can only be multiplied with an vector (dot product) or a scalar")
+
+    def __rmul__(self, other):
+        return self * other

test/test_vector.py

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+from unittest import TestCase
+
+from vector import Vector
+
+
+class TestVector(TestCase):
+    def test_should_create_vector_dim_5(self):
+        dim = 5
+        vector = Vector(dim)
+
+        actual = vector.get_dimension()
+        expected = dim
+
+        self.assertEqual(expected, actual)
+
+    def test_should_create_zero_vector(self):
+        dim = 5
+        vector = Vector(dim)
+
+        actual = vector.get_data()
+        expected = [0, 0, 0, 0, 0]
+
+        self.assertEqual(expected, actual)
+
+    def test_should_create_vector(self):
+        data = list(range(5))
+        vector = Vector(data)
+
+        actual = vector.get_data()
+        expected = [0, 1, 2, 3, 4]
+
+        self.assertEqual(expected, actual)
+
+    def test_should_add_vectors(self):
+        v1 = Vector([1, 2])
+        v2 = Vector([3, 4])
+
+        expected = Vector([4, 6])
+        actual = v1 + v2
+
+        self.assertEqual(expected, actual)
+
+    def test_should_raise_error_while_adding_vectors(self):
+        v1 = Vector(1)
+        v2 = Vector(2)
+
+        self.assertRaises(ValueError, lambda: v1 + v2)