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Re: Plot Singular values [message #84476]

Fri, 24 May 2013 08:42

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

fd_luni@mail.com writes:

> I used the Singular value decomposition (SVDC) and I got the matrix W which contains the singular values. Now I want to plot these singular values in logarithmic scale. Does anyone know how to do this?

Maybe this?

cgPlot, w, /YLog

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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Re: Plot Singular values [message #84477 is a reply to message #84476]

Fri, 24 May 2013 08:39

Mats Löfdahl
Messages: 263
Registered: January 2012

Senior Member

Den fredagen den 24:e maj 2013 kl. 17:23:35 UTC+2 skrev fd_...@mail.com:
> I used the Singular value decomposition (SVDC) and I got the matrix W which contains the singular values. Now I want to plot these singular values in logarithmic scale. Does anyone know how to do this?

First hit from googling "idl plot log scale":

http://www.stsci.edu/hst/training/events/IDLTopics/SSD98IDL/ IDL_plotting2.html

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