Erste Grafik, Versuch eines Skripts, etc...

Linear Algebra Refresher.md

@@ -0,0 +1,16 @@
+Linear Algebra Refresher
+
+Addition von Vektoren
+
+$\left[ {\begin{array}{*{20}{c}}
+1\\
+2
+\end{array}} \right] + \left[ {\begin{array}{*{20}{c}}
+3\\
+1
+\end{array}} \right] = \left[ {\begin{array}{*{20}{c}}
+4\\
+3
+\end{array}} \right]$
+
+<img src="vektor_add.png" style="zoom:50%;" />

convert_pdf_to_png.sh

@@ -0,0 +1,5 @@
+!#/bin/bash
+
+pdfcrop $1 $2
+
+convert --density 300 $2 

vector.py

@@ -11,10 +11,10 @@ class Vector(object):
 			self.dimension = len(coordinates)
 			
 		except ValueError:
-			raise ValueError('Die Koordinaten dürfen nicht leer sein')
+			raise ValueError('Die Koordinaten d<EFBFBD>rfen nicht leer sein')
 			
 		except TypeError:
-			raise TypeError('Die Koordinaten müssen iterierbar sein')
+			raise TypeError('Die Koordinaten m<EFBFBD>ssen iterierbar sein')
 			
 			
 	def __str__(self):
@@ -43,7 +43,7 @@ class Vector(object):
 		return Vector(new_coordinates)
 		
 	def magnitude(self):
-			#Länge
+			#L<EFBFBD>nge
 		coordinates_squared = [x**2 for x in self.coordinates]
 		#pdb.set_trace()
 		return sqrt(sum(coordinates_squared))
@@ -72,7 +72,7 @@ print (vektor_2.minus(vektor_3))
 
 print (vektor_3.times_scalar(3))
 
-print ("Magnitude -- Länge ", vektor_3.magnitude())
+print ("Magnitude -- L<EFBFBD>nge ", vektor_3.magnitude())
 
 print ("Normalisieren ", vektor_2.normalized())
 

vektor_addition.tex

@@ -0,0 +1,39 @@
+\documentclass[10pt]{article}
+\usepackage{pgf,tikz,pgfplots}
+\pgfplotsset{compat=1.15}
+\usepackage{mathrsfs}
+\usetikzlibrary{arrows}
+\pagestyle{empty}
+\begin{document}
+
+\begin{tikzpicture}[x=1cm,y=1cm]
+\begin{axis}[
+x=1cm,y=1cm,
+axis lines=middle,
+ymajorgrids=true,
+xmajorgrids=true,
+xmin=-0.5,
+xmax=7.5,
+ymin=-1,
+ymax=2.5,
+xtick={0,...,7},
+ytick={0,...,3},]
+\clip(-0.5327923283402358,-3.438438462661708) rectangle (7.550357053950259,3.4379509853468746);
+\draw [-latex,line width=1pt] (0,0) -- (5,0);
+\draw [-latex,line width=1pt] (0,0) -- (2,2);
+\draw [-latex,line width=1pt,color=red, dashed] (2,2) -- (7,2);
+\draw [-latex,line width=1pt,color=red, dashed] (5,0) -- (7,2);
+\draw [-latex,line width=1pt,color=blue] (0,0) -- (7,2);
+\begin{scriptsize}
+
+\draw[color=black] (2.55908371629915,-0.25) node {$\vec{y}$};
+
+\draw[color=black] (0.8,1.1993756042973518) node {$\vec{x}$};
+
+\draw[color=red] (4.315669182768639,2.3) node {$\vec{y}$};
+\draw[color=red] (6.45,1.142250873680458) node {$\vec{x}$};
+\draw[color=blue] (3.1,1.220797378278687) node {$\vec{x+y}$};
+\end{scriptsize}
+\end{axis}
+\end{tikzpicture}
+\end{document}