隔行2D numpy阵列 [英] Interlace Rows 2D Numpy Array

问题描述

我有一个二维的numpy数组，看起来像这样

I have a 2D numpy array that looks like this

array([[x1,x2,x3,x4],
       [x2,x3,x4,x5],
       [x3,x4,x5,x6],
       [y1,y2,y3,y4],
       [y2,y3,y4,y5],
       [y3,y4,y5,y6],])

我想隔行扫描，使数组看起来像这样

I want to interlace the rows such that the array to look like this

array([[x1,x2,x3,x4],
       [y1,y2,y3,y4],
       [x2,x3,x4,x5],
       [y2,y3,y4,y5],
       [x3,x4,x5,x6],
       [y3,y4,y5,y6],])

推荐答案

x = np.random.randint(10,size = (3,5))

Out[23]: 
array([[1, 5, 8, 4, 6],
       [8, 1, 7, 0, 8],
       [4, 7, 5, 2, 9]])

y = np.random.randint(10,size = (3,5))

Out[24]: 
array([[7, 4, 0, 5, 7],
       [4, 2, 8, 6, 1],
       [1, 2, 8, 6, 0]])

np.hstack((x,y)).reshape(6,5)

Out[25]: 
array([[1, 5, 8, 4, 6],
       [7, 4, 0, 5, 7],
       [8, 1, 7, 0, 8],
       [4, 2, 8, 6, 1],
       [4, 7, 5, 2, 9],
       [1, 2, 8, 6, 0]])

这篇关于隔行2D numpy阵列的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！