robertson_ode

robertson_ode, a Python code which sets up a system of three nonlinear stiff ordinary differential equations (ODE) characterizing an autocatalytic chemical reaction.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Languages:

robertson_ode is available in a MATLAB version and an Octave version and a Python version.

Related Data and codes:

python_ode, Python codes which sets up various systems of ordinary differential equations (ODE).

References:

1. Ernst Hairer, Gerhard Wanner,
   Solving Ordinary Differential Equations II: Stiff and Differential-algebraic Problems,
   Springer-Verlag, second revised edition, 1996.
2. H H Robertson,
   The solution of a set of reaction rate equations,
   Academic Press, pages 178-182.

Source Code:

• robertson_ode.py, the source code.
• robertson_ode.sh, runs all the tests.
• robertson_ode.txt, the output file.

• robertson_ode.png, displays the three solution components.
• robertson_ode_conservation.png, displays a quantity that should be conserved.