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Re: [Bug-gsl] Documentation errors
From: |
Brian Gough |
Subject: |
Re: [Bug-gsl] Documentation errors |
Date: |
Thu, 9 Mar 2006 16:04:19 +0000 |
Torquil Macdonald Sørensen writes:
> I have found two errors in the GSL documentation (both online and in my
> debian unstable GSL documentation), in the Fast Fourier Transforms section:
>
> 1) In the section "Overview of real data FFTs", in the formula for c_k,
> the subscript on x should be j, not k, since the sum is over j.
>
> 2) In the section "Radix-2 FFT routines for real data", under the
> description of the "gsl_fft_real_radix2_transform"-function. In the
> table showing the arrangement of the output data,
> "complex[N/2].real = 0" should be "complex[N/2].imag = 0", shouldn't it?
Thanks for the bug report, you are correct. I will correct those
errors in the next release.
--
best regards,
Brian Gough
Network Theory Ltd,
Publishing Free Software Manuals --- http://www.network-theory.co.uk/