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Simple matshow example.

import matplotlib.pyplot as plt
import numpy as np

def samplemat(dims):
    """Make a matrix with all zeros and increasing elements on the diagonal"""
    aa = np.zeros(dims)
    for i in range(min(dims)):
        aa[i, i] = i
    return aa

# Display matrix
plt.matshow(samplemat((15, 15)))


The use of the following functions and methods is shown in this example:

Keywords: matplotlib code example, codex, python plot, pyplot Gallery generated by Sphinx-Gallery