Esta função pertence a ndarrayclasse. Ele se comporta de forma semelhante anumpy.transpose.
Exemplo
import numpy as np
a = np.arange(12).reshape(3,4)
print 'The original array is:'
print a
print '\n'
print 'Array after applying the function:'
print a.T
A saída do programa acima seria -
The original array is:
[[ 0 1 2 3]
[ 4 5 6 7]
[ 8 9 10 11]]
Array after applying the function:
[[ 0 4 8]
[ 1 5 9]
[ 2 6 10]
[ 3 7 11]]