Permute the dimensions of an array.
This function is exactly equivalent to numpy.transpose.
See also
Examples
>>> import numpy.ma as ma
>>> x = ma.arange(4).reshape((2,2))
>>> x[1, 1] = ma.masked
>>>> x
masked_array(data =
 [[0 1]
 [2 --]],
             mask =
 [[False False]
 [False  True]],
       fill_value = 999999)
>>> ma.transpose(x)
masked_array(data =
 [[0 2]
 [1 --]],
             mask =
 [[False False]
 [False  True]],
       fill_value = 999999)