rk45_test

rk45_test, an Octave code which calls rk45(), which implements Runge-Kutta ODE solvers of orders 4 and 5.

Licensing:

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

Related Data and Programs:

rk45, an Octave code which implements Runge-Kutta ODE solvers of orders 4 and 5.

Source Code:

• rk45_test.m calls all the tests.
• rk45_test.sh runs all the tests.
• rk45_test.txt the output file.

• predator_deriv.m evaluates the derivative for the predator-prey problem.
• predator_rk4.m approximates the predator-prey problem using a Runge-Kutta method of order 4.
• predator_rk5.m approximates the predator-prey problem using a Runge-Kutta method of order 5.

• predator_rk4_phase.png a phase plot produced by predator_rk4().
• predator_rk5_phase.png a phase plot produced by predator_rk5().
• predator_rk4_plot.png a solution plot produced by predator_rk4().
• predator_rk5_plot.png a solution plot produced by predator_rk5().