Numpy 1.10
Numpy 1.10
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numpy.ma.choose()

numpy.ma.choose

numpy.ma.choose(indices, choices, out=None, mode='raise') [source]

Use an index array to construct a new array from a set of choices.

Given an array of integers and a set of n choice arrays, this method will create a new array that merges each of the choice arrays. Where a value in a is i, the new array will have the value that choices[i] contains in the same place.

Parameters:

a : ndarray of ints

This array must contain integ