Python+Numpy------数组运算

Python+Numpy------数组运算数组 一、数组运算spa (1)数组加法：array([20,31,42,53])=array([20,30,40,50])+array([0,1,2,3])3d from numpy import * a=array([20,30,40,50]) b=arange(4) a+b (2)数组减法：array([20,29,38,47])=arr

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