热成像图
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% matplotlib inline from matplotlib import pyplot as plt import numpy as np 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 , 4 * n) y = np.linspace( - 3 , 3 , 3 * n) X, Y = np.meshgrid(x, y) plt.imshow(f(X, Y), cmap = 'hot' , origin = 'low' ) plt.colorbar(shrink = . 83 ) plt.xticks(()) plt.yticks(()) |
极坐标图
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% matplotlib inline from matplotlib import pyplot as plt import numpy as np ax = plt.subplot( 1 , 1 , 1 , polar = True ) #ax = plt.plot( polar=True) N = 20 theta = np.arange( 0.0 , 2 * np.pi, 2 * np.pi / N) radii = 10 * np.random.rand(N) width = np.pi / 4 * np.random.rand(N) bars = plt.bar(theta, radii, width = width, bottom = 0.0 ) for r,bar in zip (radii, bars): bar.set_facecolor(plt.cm.jet(r / 10. )) bar.set_alpha( 0.5 ) ax.set_xticklabels([]) ax.set_yticklabels([]) |
以上这篇matplotlib实现热成像图colorbar和极坐标图的方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/szfhy/article/details/82710980