分类：ravel

2020
10-08

浅谈numpy中函数resize与reshape,ravel与flatten的区别

这两组函数中区别很是类似，都是一个不改变之前的数组，一个改变数组本身resize和reshape>>>importnumpyasnp>>>a=np.arange(20).reshape(4,5)>>>aarray([[0,1,2,3,4],[5,6,7,8,9],[10,11,12,13,14],[15,16,17,18,19]])>>>a.reshape(2,10)array([[0,1,2,3,4,5,6,7,8,9],[10,11,12,13,14,15,16,17,18,19]])>>>aarray([[0,1,2,3,4],[5,6,7,8,9],[10,11,12,13,14]... 继续阅读 >