poisson_2d_exact, an Octave code which evaluates exact solutions u(x,y) to the Poisson partial differential equation (PDE): del^2 U = f(x,y) over a specified region with given boundary conditions.
The information on this web page is distributed under the MIT license.
poisson_2d_exact is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.
octave_exact, an Octave code which evaluates exact solutions to a few selected examples of ordinary differential equations (ODE) and partial differential equations (PDE).