2017-11-23T09:15:30Z||2017-11-23T09:15:30Z
创建一个3x4的二维数组,枚举索引的时候,去掉(1,1)和(1,2),代码:
import numpy as np
values = np.zeros((3, 4))
ignore = set([(1,1), (1,2)])
valid = [index for index in np.ndenumerate(values) if not index in ignore]
for (x, y), value in valid:
print(x, y, value)
输出:
(0, 0, 0.0)
(0, 1, 0.0)
(0, 2, 0.0)
(0, 3, 1.0)
(1, 0, 0.0)
(1, 1, 0.0)
(1, 2, 0.0)
(1, 3, -1.0)
(2, 0, 0.0)
(2, 1, 0.0)
(2, 2, 0.0)
(2, 3, 0.0)