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In [12]:

    
import numpy as np
import matplotlib as plt



In [13]:

    
np.meshgrid









    Out[13]:





<function numpy.lib.function_base.meshgrid>



In [16]:

    
x = np.arange(-5, 5, 0.1)
y = np.arange(-5, 5, 0.1)
xx, yy = np.meshgrid(x, y, sparse=True)
z = np.sin(xx**2 + yy**2) / (xx**2 + yy**2)
#h = plt.contourf(x,y,z)



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