python - Plotting a 2D heatmap with Matplotlib -

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using matplotlib, want plot 2d heat map. data n-by-n numpy array, each value between 0 , 1. (i, j) element of array, want plot square @ (i, j) coordinate in heat map, color proportional element's value in array.

how can this?

the imshow() function parameters interpolation='nearest' , cmap='hot' should want.

import matplotlib.pyplot plt import numpy np  = np.random.random((16, 16)) plt.imshow(a, cmap='hot', interpolation='nearest') plt.show()

enter image description here


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