Re: isstr is obsolete

[Tatsuro MATSUOKA]

Hello

The problem that you met seems to be the oct2mat issue. 

To solve it, please see

http://wiki.octave.org/wiki.pl?OctaveForWindows

1. Standalone ports
  1.1. Octave 3.2.4 for Windows MinGW32
    Additional important topics found after the release

Regards

Tatsuro


--- Mike G wrote:

> Greetings,
> 
> After finally successfully downloaded Octave and installing it, I am trying
> it out - carefully.
> 
> I am going through the installed manual Octave.pdf page by page. Seems
> really useful so far.
> 
> I am on page 8, the paragraph "Producing Graphical Output".
> 
> It talks about a graphical interface - does it describe the graphical
> interface, where to get it, and how to use it later in the manual? 
> 
> In the meantime,  am using the command line interface, since that was what
> was described in the beginning of the manual. 
> 
> I run the program as described in the earlier paragraphs, then do the plot.
> I get back an error /notifier message. I have no idea how to implement the
> suggestion.
> 
> Here is the complete text of the operation: 
> 
>  
> 
> octave:11>  function xdot = f (x, t)
> 
> >  r = 0.25;
> 
> >  k = 1.4;
> 
> >  a = 1.5;
> 
> >  b = 0.16;
> 
> >  c = 0.9;
> 
> >  d = 0.8;
> 
> >  xdot(1) = r*x(1)*(1-x(1)/k) - a*x(1)*x(2)/(1 + b*x(1));
> 
> > xdot(2) = c*a*x(1)*x(2)/1 + b*x(1) - d*x(2);
> 
> > endfunction
> 
> octave:12> x0 = [1; 2];
> 
> octave:13> t = linespace (0, 50, 200)';
> 
> error: `linespace' undefined near line 13 column 5
> 
> octave:13> t = linspace (0, 50, 200)';
> 
> octave:14> x = lsode ("f", x0, t);
> 
> octave:15> plot (t, x)
> 
> warning: isstr is obsolete and will be removed from a future version of
> Octave,
> 
> please use ischar instead
> 
> octave:16> 
> 
>  
> 
> So, how do I use the different function called by plot? Do I have to do an
> edit, then recompile Octave?
> 
> Thanks.
> 
>  
> 
> Mike G.
> 
> > _______________________________________________
> Help-octave mailing list
> address@hidden
> https://www-old.cae.wisc.edu/mailman/listinfo/help-octave
> 


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