假设我有一个numpy数组[[1,2],[3,4],[5,6]]
,我如何进行元素数学运算,以便迭代每个XY对,得到每个对的X^2+Y^2?
由于您标记了numpy
:
(np.array(a)**2).sum(-1)
输出:
array([ 5, 25, 61])
import numpy as np
arr1 = np.array([[1,2],[3,4],[5,6]])
rows = arr1.shape[0]
cols = arr1.shape[1]
ans = []
for x in range(rows):
answer = arr1[x,0]**2 + arr1[x,1]**2
ans.append(answer)
print(ans)