Expanding a vector by replicating elements individually

[Peter Otten]

gburdell1 at gmail.com wrote:

> Given
> 
> m=numpy.array([[1, 2, 3]])
> 
> I want to obtain
> 
> array([[1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3]])

>>> numpy.array([1,2,3]).repeat(4)
array([1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3])

Peter