Added plots of documentation

hp4155/Documentation/VAR1 Plot.py

+import matplotlib.pyplot  as plt
+import numpy as np
+
+x = np.arange(10)
+y = x/10
+
+plt.xticks([])
+plt.yticks([])
+plt.xlabel('time')
+plt.ylabel('value')
+plt.step(x,y,where='post')
+plt.title('How VAR1 works')
+plt.show()
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hp4155/Documentation/VAR2 plot.py

+import matplotlib.pyplot as plt
+import numpy as np
+
+x = np.arange(1,21) 
+
+y1 = np.array([1,2,3,4,5])
+y1 = np.tile(y1,4)
+y2 = np.array([10,12,14,16])
+y2 = np.repeat(y2, 5)
+
+plt.step(x,y1, where='post',label ='VAR1')
+plt.step(x,y2,where = 'post',label = 'VAR2')
+
+plt.xticks([])
+plt.yticks([])
+
+plt.xlabel('time')
+plt.ylabel('value')
+plt.legend()
+plt.title("How VAR2 Works")
+plt.show()
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hp4155/Documentation/VARD Plot.py

+import matplotlib.pyplot as plt
+import numpy as np
+x = np.arange(1,6) 
+
+y1 = x
+y2 = 3*y1+1
+
+plt.step(x,y1, where='post',label ='VAR1')
+plt.step(x,y2,where = 'post',label = 'VARD')
+
+plt.xticks([])
+plt.yticks([])
+
+plt.xlabel('time')
+plt.ylabel('value')
+plt.legend()
+plt.title("How VARD Works")
+plt.show()
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