In [14]:
%matplotlib inline
import numpy as np
import matplotlib.pyplot as plt
In [40]:
f = plt.figure(figsize=(9,6))
z = np.ndarray((120,120))
x = np.arange(-6, 6, .1)
y = np.arange(-6, 6, .1)
xx, yy = np.meshgrid(x, y, sparse=True)
z =
h = plt.contourf(x,y,z)
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