rkf45_test, a FORTRAN90 code which calls rkf45(), which implements the Watt and Shampine RKF45 solver for systems of ordinary differential equations (ODEs).
The computer code and data files described and made available on this web page are distributed under the MIT license
rkf45, a FORTRAN90 code which implements the Runge-Kutta-Fehlberg (RKF) solver for the solution of a system of ordinary differential equations (ODE).