[Numpy-discussion] matrix operation

Eric Firing efiring@hawaii....
Wed Mar 17 13:53:42 CDT 2010


gerardob wrote:
> Let A and B be two n x n matrices.
> 
> I would like to have another n x n  matrix C such that
> C_ij = min {A_ij, B_ij}
> 
> Example:
> A = numpy.array([[2,3],[10,12]])
> B = numpy.array([[1,4],[9,13]])
> 
> Output 
> 
> C = [[1,3],[9,12]]
> 
> The function min(axis) of numpy seems to be only unary.
> 
> Thanks.
> 

In [4]:C = numpy.minimum(A,B)

In [5]:C
Out[5]:
array([[ 1,  3],
        [ 9, 12]])


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