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[Bug-gsl] Documentation errors

From: Torquil Macdonald Sørensen
Subject: [Bug-gsl] Documentation errors
Date: Wed, 08 Mar 2006 23:42:34 +0100
User-agent: Debian Thunderbird 1.0.7 (X11/20051017)


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?

Best regards,
Torquil Sørensen

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