手の込んだ imshow

imshow のデモ例、図のスタイル変更も加えて

../../../_images/plot_imshow_ex_1.png

Python ソースコード: plot_imshow_ex.py

import numpy as np

import matplotlib.pyplot as plt



def f(x, y):

    return (1 - x / 2 + x ** 5 + y ** 3 ) * np.exp(-x ** 2 - y ** 2)



n = 10

x = np.linspace(-3, 3, 3.5 * n)

y = np.linspace(-3, 3, 3.0 * n)

X, Y = np.meshgrid(x, y)

Z = f(X, Y)



plt.axes([0.025, 0.025, 0.95, 0.95])

plt.imshow(Z, interpolation='nearest', cmap='bone', origin='lower')

plt.colorbar(shrink=.92)



plt.xticks(())

plt.yticks(())

plt.show()

Total running time of the example: 0.11 seconds ( 0 minutes 0.11 seconds)