From: <HIDDEN>
Newsgroups: comp.soft-sys.matlab
Subject: Re: triple integral
Date: Tue, 4 Dec 2012 11:43:08 +0000 (UTC)
Organization: The MathWorks, Inc.
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"basim moh ali" <> wrote in message <k9kg84$579$>...
> Dear Mr,Mrs
>          can any one help how to solve this function  (-0.0124*exp(3*cos(x))* 1/((z)*(cosh(0.01y)^2))*(0.0857*y*sin(x)+259.8+50*cos(x)*cos(atan(z/y))+86.6*sin(x)*cos(atan(z/y))).
> by triple integration (-pi<=x<=pi),(0<=y<=70),(0<=z<=200)
> thank you

I guess that your integral does not exist since 1/z is not integrable over [0:200] ...

Best wishes