[SciPy-user] optimizer for complex?

Neal Becker ndbecker2@gmail....
Wed Nov 19 07:58:57 CST 2008

Nils Wagner wrote:

> On Wed, 19 Nov 2008 08:43:44 -0500
>   Neal Becker <ndbecker2@gmail.com> wrote:
>> Do any of the optimizers (n-dim nonlinear minimizer)
>>handle complex values?  It seems not, I seem to get good
>>results by converting to a real vector
>> That is, instead of calling fmin (f, x0=cmplx_array)
>> convert x0 to a real array (real(x0), imag (x0), real
>>(x1), imag (x1)....)
>> And convert back inside the function f from real to
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> Just curious. Where does that problem appear ?

I'm trying to optimize an FIR filter (for a rather special application)

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