[scilab-Users] index error not helpful

Gary Nelson gnelson at quantasonics.com
Mon Apr 19 17:58:19 CEST 2010


This is what I get. Line 7 is the plot command.


 plot(phz)
          !--error 21 
Invalid index.

at line       7 of exec file called by :    
exec('/test if.sce', -1)
 
 
On Apr 19, 2010, at 6:13 AM, Julio Gonzalez-Saenz wrote:

> I don't either. It plots two graphics one in blue and one in green with 20 points.#
> 
> Julio
> 
> From: Samuel Gougeon <Samuel.Gougeon at univ-lemans.fr>
> To: users at lists.scilab.org
> Sent: Mon, 19 April, 2010 14:12:13
> Subject: Re: [scilab-Users] index error not helpful
> 
> ----- Message d'origine -----
> De : Gary Nelson
> Date : 19/04/2010 13:43:
> > What is wrong with this seemingly simple test
> >
> > clc()
> > n=[1:20]
> > z=exp(%i*2*%pi.*n./10)
> > phz=atan(imag(z),real(z))
> > ifq=diff(phz)
> > ifq=[ifq,ifq($)]
> > plot(n,phz,n,ifq)
> >
> > The lengths of all vectors are 20 yet I get an error 21 index error
> >  
> I do not get any syntax error. It runs well for me.
> 
> 
> 

Gary Nelson
gnelson at quantasonics.com



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