[SciPy-Dev] Ticket created for Lomb-Scargle periodogram

Pim Schellart P.Schellart@astro.ru...
Fri Dec 24 13:45:32 CST 2010


The code I submitted is for the original Lomb-Scargle periodogram.
The equations themselves were only refactored to allow the periodogram to be calculated using only a single pass through the input arrays for each frequency.
It might be possible to also add code for the generalized periodogram, although that is slightly more complicated because it involves several integrals, I'll have a look.

Regards,

Pim Schellart

On Dec 24, 2010, at 7:00 PM, scipy-dev-request@scipy.org wrote:

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>   1. Re: Ticket created for Lomb-Scargle periodogram
>      (Johann Cohen-Tanugi)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Fri, 24 Dec 2010 09:59:00 +0100
> From: Johann Cohen-Tanugi <cohen@lpta.in2p3.fr>
> Subject: Re: [SciPy-Dev] Ticket created for Lomb-Scargle periodogram
> To: SciPy Developers List <scipy-dev@scipy.org>
> Cc: Pim Schellart <P.Schellart@astro.ru.nl>
> Message-ID: <4D1460D4.5040909@lpta.in2p3.fr>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> hi there, I did not look at the code, sorry, but is it the original LS 
> periodogram, or the generalized one?
> 
> best,
> Johann
> 
> On 12/23/2010 05:23 PM, Pim Schellart wrote:
>> Dear SciPy developers,
>> 
>> as requested I created an enhancement ticket (http://projects.scipy.org/scipy/ticket/1352).
>> I attached FORTRAN 95, FORTRAN 77 and ANSI C versions of the subroutine, so you may pick your favorite language :)
>> Just let me know what the next step (if any) should be.
>> Merry Christmas!
>> 
>> Regards,
>> 
>> Pim Schellart
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