Re: [Help-gsl] GSL multiroot finding and numerical integration.

[Francesco Abbate]

Hi,

the probem you are describing seems to be a typical application for the GSL
library. You should use the numerical integration routines to perform the
integral:

http://www.gnu.org/software/gsl/manual/html_node/Numerical-Integration.html

<http://www.gnu.org/software/gsl/manual/html_node/Numerical-Integration.html>and
then use the one-dimension root finding routines to solve the equation:

http://www.gnu.org/software/gsl/manual/html_node/One-dimensional-Root_002dFinding.html

I hope that's helpful.

<http://www.gnu.org/software/gsl/manual/html_node/One-dimensional-Root_002dFinding.html>Best
regards,
Francesco

2010/8/6 Victor Bezerra <address@hidden>

> Hi GSL team,
>
> I would like to ask if using GSL package, is possible solve a system of
> equation, which in these equation some numerical integration is needed? For
> example
>
> A system of the type:
>
> ( \int_a^b f(x,y) dx ) + c *g(y)  = 0.  We want to solve the equation for
> y.
>  a and b define the interval of integration.
>
>
> Thanks in advance,
>
> Victor Bezerra.
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