poisson_1d

poisson_1d, a FreeFem++ code which solves the Poisson equation in 1D. FreeFem++ doesn't expect to deal with 1D problems, so we have to make a 2D problem that is 1 element wide;

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

poisson_1d is available in a C version and a C++ version and a Fortran77 version and a Fortran90 version and a FreeFem++ version and a MATLAB version and an Octave version and a Python version.

Reference:

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

Source Code:

• poisson_1d.edp, the FreeFem++ script;
• poisson_1d.sh, a BASH script to run the example;
• poisson_1d.txt, the output file;

• poisson_1d_mesh.png, a PNG image of the mesh;
• poisson_1d.msh, a saved copy of the mesh.
• poisson_1d_u.png, a PNG image of the solution;