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Re: eigshow function


From: james mcskimming
Subject: Re: eigshow function
Date: Mon, 16 Jun 2008 07:53:09 +1000

Vito

> octave:1> eigshow
> warning: set: invalid property `numbertitle'
> warning: set: invalid property `menubar'
> error: `uicontrol' undefined near line 120 column 1
> error: called from `eigshow:initialize' in file `/home/zed/eigshow.m'
> error: evaluating if command near line 40, column 1
> error: called from `eigshow' in file `/home/zed/eigshow.m'
> octave:1> 

from another relative newbie, take a look at the packages on

http://octave.sourceforge.net/index.html

the jhandles package which has the uicontrol function embedded is one of many.  

as a tip I found it necessary to also install the octave-headers option for 
octave3.0+ if any compilation of code is necessary. 
Not sure if jhandles needs it or not but just in case..

cheers
jas


On Sun, 2008-06-15 at 17:34 +0200, Vito De Tullio wrote:
> Hi all.
> I'm a newbie octave user. For my exam, I need to use matlab, but I found
> octave (for linux).
> It works for all, but I need to use a function, eigshow, that's not present
> (is present in matlab). It should draw a graphic with 2 lines representing
> eigenvalues and eigenvectors...
> 
> Surfing on the net, I found some implementations, but all of them gave me
> errors in octave.
> 
> http://web.mit.edu/18.06/www/Course-Info/Mfiles/eigshow.m
> http://kom.aau.dk/~borre/kalman/lecture3/eigshow.m
> http://www.cs.ubc.ca/~mpf/cpsc402/downloads/eigshow.m
> 
> for example the first give me
> 
> octave:1> eigshow
> warning: get: invalid property `tag'
> error: `x' undefined near line 29 column 30
> error: evaluating argument list element number 2
> error: evaluating assignment expression near line 29, column 12
> error: evaluating if command near line 28, column 3
> error: called from `isequal' in file
> `/usr/share/octave/2.9.12/m/general/isequal.m'
> error: if: error evaluating conditional expression
> error: evaluating if command near line 51, column 1
> error: called from `eigshow:initialize' in file `/home/zed/eigshow.m'
> error: evaluating if command near line 33, column 1
> error: called from `eigshow' in file `/home/zed/eigshow.m'
> octave:1>
> 
> can you help me?
> 



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