Subject: help. I can't find help on LaPlace transform
From: Viktor T. Toth
Date: Fri, 6 May 2005 23:03:52 -0400
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
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