Numpy 1.10
Numpy 1.10
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numpy.ma.column_stack()

numpy.ma.column_stack

numpy.ma.column_stack(tup) =

Stack 1-D arrays as columns into a 2-D array.

Take a sequence of 1-D arrays and stack them as columns to make a single 2-D array. 2-D arrays are stacked as-is, just like with hstack. 1-D arrays are turned into 2-D columns first.

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Parameters:

tup : sequence of 1-D or 2-D arrays.

Arrays to stack. All of them must have the same first dimension.