convergence

convergence, a FreeFem++ code which solves a simple boundary value problem (BVP) on a square, compares the approximate and exact solutions as the mesh size is decreased, and computes the convergence rates.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Reference:

• Frederic Hecht,
  New development in FreeFem++,
  Journal of Numerical Mathematics,
  Volume 20, Number 3-4, 2012, pages 251-265.

Source Code:

• convergence.edp, the FreeFem++ script;
• convergence.sh, a BASH script to run the example;
• convergence.txt, the output file;

• convergence_mesh.png, a plot of the first mesh.