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## Re: [Help-gsl] integration

**From**: |
Frank Reininghaus |

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

**Date**: |
Thu, 4 Dec 2008 17:35:10 +0100 |

Hi,
an easy solution would be to define the function to be integrated in such a
way that it returns zero outside the integration area. AFAIK, GSL does not
provide the functionality you described directly.
Regards
Frank
2008/12/4 ghadir mohammadkhani <address@hidden>
>* Dear all*
>
>* hello*
>
>* 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?*
>
>* Thanks for your help,*
>
>* regards,*
>* ghadir*
>