[SciPy-User] raising a matrix to float power
Sturla Molden
sturla@molden...
Sat Jul 10 18:39:25 CDT 2010
Alexey Brazhe skrev:
> Hi,
> I failed to find a way to raise a matrix to a non-integer power in
> numpy/scipy
>
> In Octave/Matlab, one would write M^0.5 to get the result
> whereas in numpy
> >>> maxtrix(M, 0.5)
> raises the "TypeError: exponent must be an integer"
>
> Is there a way to do matrix exponentiation to non-integer powers in
> numpy or scipy?
>
> Hope the answer is positive :)
Sure, M**0.5 is cho_factor(M). For other non-integers I am not sure what
matrix exponentiation could possibly mean.
Are you sure you don't mean array exponentiation?
Sturla
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