From bug-octave-request at bevo dot che dot wisc dot edu Fri Dec 13 14:53:52 2002
Subject: Re: bug report
From: Paul Kienzle <pkienzle at jazz dot ncnr dot nist dot gov>
To: Hew How Chee <howchee at pd dot jaring dot my>
Cc: bug-octave at bevo dot che dot wisc dot edu
Date: Fri, 13 Dec 2002 15:52:13 -0500

On Wed, Dec 11, 2002 at 09:48:33PM -0600, Hew How Chee wrote:
> Hi,
> I am using GNU Octave, version 2.1.36 (i686-pc-cygwin) and is trying to
> code rcos.m (error in rcos.m). When I execute rcos 2 times, octave jump
> out. see error below.
> 
> 
> function result = rcos (order,fs,baud_period,beta)
> T=baud_period
> t=0:1:10
> x=sin(pi*t/T)/(pi*t) * ( cos(pi* t * beta / T) / (1 - 4*beta*beta*t*t /( T*T) );
> endfunction

You are missing a closing parenthesis in your expression for x.  Try the following:

function result = rcos (order,fs,baud_period,beta)
T=baud_period
t=0:1:10
x=sin(pi*t/T)/(pi*t) * ( cos(pi* t * beta / T) / (1 - 4*beta*beta*t*t /( T*T) ) );
endfunction

> At Octave command prompt,
> 
> >> rcos(1)
> parse error near line 5 of file /usr/share/octave/2.1.36/m/signal/rcos.m
> 
> >>> x=sin(pi*t/T)/(pi*t) * ( cos(pi* t * beta / T) / (1 - 4*beta*beta*t*t /( T*T) );
>                                                                                    ^
> 
> error: `rcos' undefined near line 1 column 1
> error: evaluating index expression near line 1, column 1
> >> rcos(1)
> panic: impossible state reached in file `parse.y' at line 1058
> panic: IOT instruction -- stopping myself...
> 
> Regards,
> Hew
> 
> 
> 
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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
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