README

Cactus Code Thorn ODESolvers
Author(s)    : Erik Schnetter <schnetter@gmail.com>, Annamalai P S <annamalaips.97@gmail.com> (Implemented IMEX methods)
Maintainer(s): Erik Schnetter <schnetter@gmail.com>
Licence      : LGPL
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1. Purpose

Solve systems of coupled ordinary differential equations

2. Implemented IMEX method - Midpoint(1,2,2) and ARS(3,4,3) described in:

[0] Python code example: https://github.com/annamalai-ps/IMEX/tree/main/IMEX_1D_scalar_wave_evolution

[1] Ascher, Ruuth, Spiteri: "Implicit-Explicit Runge-Kutta Methods for
Time-Dependent Partial Differential Equations", Appl. Numer. Math 25
(1997), pages 151-167,
<http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.48.1525&rep=rep1&type=pdf>.

[2] Pareschi, Lorenzo & Russo, Giovanni. (2001),
Implicit–Explicit Runge–Kutta schemes for stiff systems of differential equations,
Recent trends in numerical analysis (pp.269-288)Publisher: Nova Sci. Publ.,
<https://www.researchgate.net/publication/230865813_Implicit-Explicit_Runge-Kutta_schemes_for_stiff_systems_of_differential_equations>