什么是从数组复制到矩阵的更快的方法.例:
A = np.zeros((5, 3))
B = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
将B的值复制到A后,生成的A应为:
[[ 1 2 3]
[ 4 5 6]
[ 7 8 9]
[ 0 0 0]
[ 0 0 0]]
先感谢您