fokker_planck

fokker_planck, a FreeFem++ code which solves the Fokker-Planck equation for a Probability Density Function (PDF) describing a system of two molecular species X and Y governed by five reactions with stochastic behavior.

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:

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

• fokker_planck_velocity.png, a PNG image of the velocity field;
• fokker_planck_p_initial_mesh.png, a PNG image of the initial PDF with the mesh;
• fokker_planck_p_initial.png, a PNG image of the initial PDF;
• fokker_planck_p_final_mesh.png, a PNG image of the final PDF with the mesh;
• fokker_planck_p_final.png, a PNG image of the final PDF;