Add a *simple* arrow example #1187

Merged
merged 2 commits into from Sep 5, 2012
@@ -0,0 +1,5 @@
+import matplotlib.pyplot as plt
+
+ax = plt.axes()
+ax.arrow(0, 0, 0.5, 0.5, head_width=0.05, head_length=0.1, fc='k', ec='k')
+plt.show()