NumPyreshape函数

此函数在不更改数据的情况下为数组提供了新的维度，它接受以下参数-

numpy.reshape(arr, newshape, order')

import numpy as np
a = np.arange(8)
print 'The original array:'
print a
print '\n'

b = a.reshape(4,2)
print 'The modified array:'
print b

其输出如下-

The original array:
[0 1 2 3 4 5 6 7]

The modified array:
[[0 1]
 [2 3]
 [4 5]
 [6 7]]