matplotlib.pyplot.matshow 矩阵可视化实例

这是一个绘制矩阵的函数。

用matshow绘制矩阵的例子:

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)))
 
plt.show()

效果图:

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