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pylab_examples example code: matshow.pyΒΆ

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../../_images/matshow1.png
"""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, 35)))

plt.show()

Keywords: python, matplotlib, pylab, example, codex (see Search examples)