Subject: help. I can't find help on LaPlace transform
From: Doug Stewart
Date: Fri, 06 May 2005 22:02:57 -0500
OK I got the
integrate(sin(5*x)*exp(-s*x),x,0,inf);
to work. I don't know why but it now works.
Still looking for help on LaPlace.
Doug Stewart
Doug Stewart wrote:
> Where is the help for laplace transforms?
> I tried
>
> (%i9) LaPlace(sin,x,4);
> SIN
> (%o9) ---
> 4
>
> And this is not what I was expecting!
>
>
>
>
> Also I tried:
>
> integrate(sin(5*x)*exp(-s*x),x,0,inf);
>
> Ans it asked me if s was
>
> (%i25) integrate(sin(5*x)*exp(-s*x),x,0,inf);
> Is s positive, negative, or zero?
>
> I am using winXP and when I try to respond to the question Maxima
> doesn't seem to get the response.
> It just keeps waiting for my answer.
> I tried:
>
> (%i25) integrate(sin(5*x)*exp(-s*x),x,0,inf);
> Is s positive, negative, or zero? positive;
>
>
> I tried
> (%i25) integrate(sin(5*x)*exp(-s*x),x,0,inf);
> Is s positive, negative, or zero?
> positive;
>
> But no results.
> What am I doing wrong?
> Doug Stewart
>
>
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