Re: Integration with constants?

[Jens Benecke]

John W. Eaton wrote:

> On 11-Nov-2006, Jens Benecke wrote:
> 
> | I am trying to integrate a function that has constants previously
> | defined in the same matlab file. Like this:
> | 
> | [J2, ier, nf,   err] = quad(@(x) log( ...
> |         sqrt(1 + alpha.^2 + 2.*a.pha.*cos(2.*x)) + alpha + cos(2.*x) ),
> |         ...
> |                 0, pi/2, 1e-6)
> | 
> | "alpha" is a constant that has been calculated before. However, Octave
> | tells me "error: alpha undefined ..."
> | 
> What version of Octave are you using?  This works in 2.9.9:
 
>   octave:1> a = 2
>   a =  2
>   octave:2> quad (@(x) x + a, 0, 1)
>   ans =  2.5000

Sorry ... 2.1.72, on SuSE Linux.
I can't upgrade because this is installed on a number of computers and we
have created multiple custom RPMs for it (it would be a major amount of
work).

Any way to do this with the 2.1 branch?

Thanks!



-- 
Jens Benecke (jens at spamfreemail.de)
http://www.spamfreemail.de - 100% saubere Postfächer - garantiert!
http://www.rb-hosting.de - PHP ab 9? - SSH ab 19? - günstiger Traffic
Please DO NOT CC: me, I read the lists and newsgroups I post in!