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# Generate some heatmaps
import matplotlib.pyplot as plt
%matplotlib inline
import numpy as np
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# simple heatmap
a = np.linspace(1,25,25).reshape((5,5))
plt.imshow(a, cmap='hot', interpolation='nearest')
plt.colorbar(ticks=[0,5,10,15,20,25])
#plt.show()
plt.savefig("images/heatmap.png")
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