Good morning,
I m searching a code of numerical solution (by finite difference method) of elliptique or parabolic Partial differential equation, do you have examples?
thkx

Most of Chapter 19 in Numerical Recipes in Fortran, and Numerical Recipes in Fortran 90 (Second Edition) is about these topics.
In the new, Third Edition, this material is in Chapter 20, but the language is C++.

Thank you for your help but where can i find the capter 19 in numerical reciepes in fortran.
thank you again