help. I can't find help on LaPlace transform

Thanks I see it now;
Doug Stewart

Viktor T. Toth wrote:

>Sin by itself is not a valid expression. I think you want
>laplace(sin(x),x,4).
>
>Laplace() is described in the Differentiation section of the online manual.
>
>
>Viktor
>
>
>-----Original Message-----
>From: maxima-admin@math.utexas.edu [mailto:maxima-admin at math] On
>Behalf Of Doug Stewart
>Sent: Friday, May 06, 2005 10:51 PM
>Cc: maxima@math.utexas.edu
>Subject: help. I can't find help on LaPlace transform
>
>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
>
>
>_______________________________________________
>Maxima mailing list
>Maxima@www.math.utexas.edu
>http://www.math.utexas.edu/mailman/listinfo/maxima
>
>_______________________________________________
>Maxima mailing list
>Maxima@www.math.utexas.edu
>http://www.math.utexas.edu/mailman/listinfo/maxima
>
>  
>