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Re: Unable to use findpeaks : error: `findpeaks' undefined

From: Mike Miller
Subject: Re: Unable to use findpeaks : error: `findpeaks' undefined
Date: Wed, 9 Oct 2013 12:47:04 -0400

On Wed, Oct 9, 2013 at 11:28:38 -0500, Nicanor García wrote:
> Hello everyone,
> I'm having some trouble using this function from the signal package. At
> first I thought the package wasn't correctly installed, but I'm able to use
> all the other functions from it, so I ruled that out as the cause of the
> problem.
> This is an example of what I get when I call the function:
> octave:4> findpeaks(sierra)
> error: `findpeaks' undefined near line 4 column 1
> Where sierra is sawtooth I had generated previously. For all the other
> functions in the package I get a different error message telling me I'm not
> calling them correctly, but they exist.
> I'm on Debian version 7.1 64 bit using Octave v 3.6.2 installed from the
> software manager, also the other packages were installed using the software
> manager.

You are using the signal package version 1.1.3 as packaged for Debian
7.1. The findpeaks function was only recently introduced in version
1.2.1 of the signal package. You can try to install a newer version of
the package locally or you can download the findpeaks function file
directly [1] and install it locally in some directory in your Octave
runtime path.




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