stiff_ode, a FORTRAN90 code which considers an ordinary differential equation (ODE) which is an example of stiffness.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
stiff_ode 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 and an R version.
lorenz_ode, a FORTRAN90 code which approximates solutions to the Lorenz system, creating output files that can be displayed by gnuplot.
predator_prey_ode, a FORTRAN90 code which solves a pair of predator prey ordinary differential equations (ODE's).