This program visualizes a heatmap of 5x5 matrix data x with hot colormap. This program saves the figure and clears the plot The parameter cmap is used to specify the colormap to use The parameter ...
This function is useful to work with image data with capabailities of matplotlib This program creates x and y data points and creates a meshgrid of values. This program creates a sin function of 'X^2 ...
问题解决：在调用matplotlib.pyplot.imshow（）时没有设置 vmin，vmax参数，使得最终显示图像的最大值和最小值是保存的array的最大值和最小值，而实际需要的最小值是0，最大值是255。下面是matplotlib ...
matplotlib是python最著名的绘图库，它提供了一整套和matlab相似的命令API，十分适合交互式地行制图。其中，matplotlib的pyplot模块一般是最常用的，可以方便用户快速绘制二维图表。 fname：要读取的 ...
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