if() is not a step function. Try unit_step.
> -----Original Message-----
> From: maxima-bounces at math.utexas.edu
> [mailto:maxima-bounces at math.utexas.edu] On Behalf Of Ismael Garrido
> Sent: Sunday, November 18, 2007 1:19 PM
> To: maxima at math.utexas.edu
> Subject: Step function?
>
> Hi
>
> Is there any way to define the step function in such a way that, for
> example, I can take the fourier series expansion? (totalfourier in
> fourie module)
> If I try to define it with an if, Fourier just returns integral of the
> if expression.
>
> Thanks
> Ismael
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