rk34_test

rk34_test, an Octave code which calls rk34() to implement Runge-Kutta ODE solvers of orders 3 and 4.

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:

rk34, an Octave code which implements Runge-Kutta ODE solvers of orders 3 and 4.

Source Code:

• rk34_test.m calls all the tests.
• rk34_test.sh runs all the tests.
• rk34_test.txt the output file.

• predator_deriv.m evaluates the derivative for the predator-prey problem.
• predator_rk3.m approximates the predator-prey problem using a Runge-Kutta method of order 3.
• predator_rk4.m approximates the predator-prey problem using a Runge-Kutta method of order 4.

• predator_rk3_phase.png a phase plot produced by predator_rk3().
• predator_rk4_phase.png a phase plot produced by predator_rk4().
• predator_rk3_plot.png a solution plot produced by predator_rk3().
• predator_rk4_plot.png a solution plot produced by predator_rk4().