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Re: [Help-gsl] complex conjugate


From: Hongzheng Wang
Subject: Re: [Help-gsl] complex conjugate
Date: Mon, 7 Apr 2008 12:21:44 +0800

Hi,

You may have a look at gsl_blas_zgemm, which does a matrix multiplies
matrix plus matrix operation (GSL reference manual, page 123).
Something like gsl_blas_zgemm(CblasConjTrans, CblasNoTrans, 1.0, A, B,
0.0, C), where A and B are F(s).


On Fri, Apr 4, 2008 at 7:13 AM, Mohammad Nayeem <address@hidden> wrote:
> Hi,
>
>  I am trying to use GSL for finding the FFT of a 2D image. After I
>  transform it to the Fourier space I need to find the complex conjugate of
>  the image.
>  For e.g;
>  If F(x) is the spatial domain image, and after I convert it to the
>  frequency domain F(s), how can I find the complex conjugate F(s)* of F(s).
>
>  I am using Mixed-radix FFT routines for real data.
>
>  I appreciate a response.
>  Thanks.
>
>  -Nayeem
>
>
>
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-- 
HZ




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