Re: Integration over polytop
- To: mathgroup at smc.vnet.net
- Subject: [mg61771] Re: [mg61744] Integration over polytop
- From: Pratik Desai <pdesai1 at umbc.edu>
- Date: Sat, 29 Oct 2005 01:32:38 -0400 (EDT)
- References: <200510280725.DAA08678@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
fred.esia at free.fr wrote:
>I would like to integrate function over domain defined by inequalities
>
>Actually, I use the function Boole[]:
>NIntegrate[f[x,y,z,t]Boole[ineq],{x,-Infinity,Infinity},{y,-Infinity,Infinity},{z,-Infinity,Infinity},{t,-Infinity,Infinity}]
>
>But this is too slowly and the result don't have a good precision.
>
>How can I do to integrate, functions that depend of many (3,4,...10) variables
>over domain define by inequalities (linear or quadratic)?
>
>Thanks
>
>
>
>
>
You might want to try Maxim's piecewise integrate package.
Although it does not seem to work for integration of the complex
piecewise functions in the real domain :-(
http://library.wolfram.com/infocenter/MathSource/5117/
Best regards
Pratik .
--
Pratik Desai
Graduate Student
UMBC
Department of Mechanical Engineering
Phone: 410 455 8134
- References:
- Integration over polytop
- From: fred.esia@free.fr
- Integration over polytop