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## Re: [Help-gsl] integration

**From**: |
Brian Gough |

**Subject**: |
Re: [Help-gsl] integration |

**Date**: |
Fri, 05 Dec 2008 17:23:58 +0000 |

**User-agent**: |
Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI) |

At Thu, 4 Dec 2008 08:16:38 -0800 (PST),
ghadir mohammadkhani wrote:
>* I want to integrate with Monte-Carlo method, but the limits of*
>* integration aren't independent, for example in integral \int*
>* f(x,y,z)dx dy dz, x goes from -2 to 2 , y varies from -(2-x*x)^(0.5)*
>* until (2-x*x)^(0.5), the lower and upper limits in z are,*
>* respectively -(2-x*x-y*y)^(0.5) and (2-x*x-y*y)^(0.5). I don't know*
>* that how must change my program, i.e in the main of the example*
>* program with the Monte-Carlo routine, double xl[3] = { , , } and*
>* double xu[3] = { , , } how must be modified?*
Hello,
Where possible, make a change of variables (analytically) so that the
limits of the new coordinates are independent.
--
Brian Gough
(GSL Maintainer)
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