rk4_test

rk4_test, a MATLAB program 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 GNU LGPL license.

Related Data and Programs:

rk4, a MATLAB library 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_step_test.m, tests rk4_step on a scalar ODE.
• rk4_step_test_f.m, a function which evaluates the right hand side.
• rk4vec_step_test.m, tests rk4vec_step on a vector ODE.
• rk4vec_step_test_f.m, a function which evaluates the right hand side.