stiff_ode

stiff_ode, a C++ code which sets up an ordinary differential equation (ODE) y'=lambda*(cos(t)-y), which exhibits stiffness, making accurate solution difficult.

Licensing:

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

Languages:

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.

Related Data and codes:

stiff_ode_test

lorenz_ode, a C++ code which approximates solutions to the Lorenz system, creating output files that can be displayed by gnuplot().

midpoint, a C++ code which solves one or more ordinary differential equations (ODE) using the (implicit) midpoint method.

predator_prey_ode, a C++ code which solves a pair of predator prey ordinary differential equations (ODE).

Reference:

• John D Cook,
  Stiff differential equations,
  https://www.johndcook.com/blog/
  Posted 02 February 2020.

Source Code:

• stiff_ode.cpp, the source code.
• stiff_ode.sh, compiles the source code.
• stiff_ode.hpp, the include file.