Grafiken erweitert

Linear Algebra Refresher.md

@@ -1,16 +1,54 @@
-Linear Algebra Refresher
+# Linear Algebra Refresher
 
-Addition von Vektoren
+## Grundgerüst
+
+```python
+# -*- coding: iso-8859-15 -*
+from math import sqrt
+
+class Vector(object):
+   def __init__(self, coordinates):
+      try:
+         if not coordinates:
+            raise ValueError
+         self.coordinates = tuple(coordinates)
+         self.dimension = len(coordinates)
+         
+      except ValueError:
+         raise ValueError('Die Koordinaten dürfen nicht leer sein')
+         
+      except TypeError:
+         raise TypeError('Die Koordinaten müssen iterierbar sein')
+                
+   def __str__(self):
+      return 'Vector: {}'.format(self.coordinates)
+  
+   def __eq__(self, v):
+      return self.coordinates == v.coordinates
+```
+
+## Addition von Vektoren
 
 $\left[ {\begin{array}{*{20}{c}}
-1\\
-2
+5\\
+0
 \end{array}} \right] + \left[ {\begin{array}{*{20}{c}}
-3\\
-1
+2\\
+2
 \end{array}} \right] = \left[ {\begin{array}{*{20}{c}}
-4\\
-3
+7\\
+2
 \end{array}} \right]$
 
-<img src="vektor_add.png" style="zoom:50%;" />
+```python
+veka1 = Vector([0,5])
+veka2 = Vector([2,2])
+
+print (veka1.plus(veka2))
+```
+
+<img src="vektor_add.png" style="zoom:40%;" />
+
+```python
+veka1 = Vector([0,5])
+```