pendulum_ode_period, an Octave code which sets up and solves a system of ordinary differential equations (ODE) that represent the behavior of a linear pendulum of length L under a gravitational force of strength G, in order to estimate the period of oscillation.
The computer code and data files described and made available on this web page are distributed under the MIT license
pendulum_ode_period is available in a MATLAB version and an Octave version.
pendulum_double_ode, an Octave code which sets up and solves the double pendulum ordinary differential equation (ODE).
pendulum_elastic_ode an Octave code which sets up and solves the ordinary differential equations (ODE) that represent the behavior of a nonlinear elastic pendulum, with gravitational force G, spring constant K, unstretched length L, and mass M.
pendulum_nonlinear_ode, an Octave code which sets up and solves the ordinary differential equations (ODE) that represent a nonlinear model ofthe behavior of a pendulum of length L under a gravitational force of strength G.
pendulum_ode, an Octave code which sets up and solves the ordinary differential equations (ODE) that represent a linear model ofthe behavior of a pendulum of length L under a gravitational force of strength G.
predator_prey_ode_period, an Octave code which sets up and solves a pair of predator prey or Lotka-Volterra ordinary differential equations (ODE) in order to estimate the period of the limit cycle.
vanderpol_ode_period, an Octave code which sets up and solves the ordinary differential equations (ODE) defining the van der Pol oscillator in order to estimate the period of the limit cycle.