spring_ode_test

spring_ode_test, an Octave code which calls spring_ode(), which sets up a system of ordinary differential equations (ODE) for the motion of a spring with mass m, damping b, and stiffness k.

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:

spring_ode, an Octave code which sets up a system of ordinary differential equations (ODE) for the motion of a spring with mass m, damping b, and stiffness k.

Source Code:

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

• spring_ode23.m, uses ode23() to solve the problem.
• spring_ode23_y1.png, a plot of the displacement over time.
• spring_ode23_y2.png, a plot of the velocity over time.
• spring_ode23_phase.png, the phase plot.
• spring_ode23_conservation.png, a plot of the spring energy over time.