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我想使用 imshow() 创建二维直方图的图像。但是,在我看到的几个示例中,定义了“范围”。“程度”实际上是做什么的,您如何选择合适的值?
范围定义图像的水平和垂直值的最大值和最小值。它需要四个值,如下所示:extent=[horizontal_min,horizontal_max,vertical_min,vertical_max]。