我需要以某种方式制作该数组： [[639 190] [ 44 1] [ 71 4] ..., [863 347] [870 362] [831 359]] 看起来像这样： [[[639 190]] [[ 44 1]] […

我有一个包含38列和1500行的csv,其中包含浮点数和字符串.我想要来自该集合的3列(x,y,z)浮点数据来找到f =(x y)/ z的平均值.经过研究,我成功地将这些列分离为numpy数组并执行f =(x y)/ z…

The following are code examples for showing how to use . They are extracted from open source Python projects. …

我有一个存储为ndarray的图像.我想迭代这个数组中的每个像素. 我可以像这样迭代数组的每个元素： from scipy import ndimage import numpy as np l = ndimage.im…

我有大小合适的numpy 2D浮点网格(例如> 20k x 10k单元格).我想计算网格中nodata值的连续组的数量.我可以在 python中实现一个简单的pain fill方法,但似乎必须有方法在numpy或s…

The following are code examples for showing how to use . They are extracted from open source Python projects. …

The following are code examples for showing how to use . They are extracted from open source Python projects. …

The following are code examples for showing how to use . They are extracted from open source Python projects. …

The following are code examples for showing how to use . They are extracted from open source Python projects. …

The following are code examples for showing how to use . They are extracted from open source Python projects. …

The following are code examples for showing how to use . They are extracted from open source Python projects. …

The following are code examples for showing how to use . They are extracted from open source Python projects. …