如何以“正确”的方式创建一个二维numpy“rect”数组,例如:
0000000000000000000
0000000000000000000
0000000000111110000
0000000000111110000
0000000000111110000
0000000000000000000
即一个在给定范围内具有特定值的数组,否则为零?
只需创建一个零数组,并将您想要的区域设置为1。
例如:
import numpy as np
data = np.zeros((6,18))
data[2:5, 9:14] = 1
print data
这将产生:[[ 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.]
[ 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.]
[ 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. 0. 0. 0. 0.]
[ 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. 0. 0. 0. 0.]
[ 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. 0. 0. 0. 0.]
[ 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.]]