初始化
a = range()
a = np.array(a)
a = a.reshape(,)
- a
-
[[ 0 1 2 3][ 4 5 6 7][ 8 9 10 11][12 13 14 15]]
-
- 获取a的【0,1,4】行
- b = a[ range(, ),:]
-
[[ 0 1 2 3][ 4 5 6 7][12 13 14 15]]
- 获取b的【0,1,4】列
- c = b[:, range( )+range( , 3)]
-
[[ 0 2][ 4 6][12 14]]