rk4_test

rk4_test, an Octave code which calls rk4() for a simple Runge-Kutta solver for an initial value problem.

Licensing:

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

Related Data and Programs:

rk4, an Octave code which applies the fourth order Runge-Kutta (RK) algorithm to estimate the solution of an ordinary differential equation (ODE) at the next time step.

Source Code:

• rk4_test.m, calls all the tests.
• rk4_test.sh, runs all the tests.
• rk4_test.txt, the output file.

• rk4_predator_test.m, tests rk4 on a predator-prey system.
• predator_deriv.m, the right hand side of the predator-prey system.
• rk4_predator_plot.png, the time plot.
• rk4_predator_phase.png, the phase plot.