MATLAB

The angle y of an un-damped pendulum with a driving force sin(5t) satisfies the following differential equaition:

% y= -sin(y) + sin(5t)

% let: y(0) = 1, y(0) = 0, and the interval is [0, 20]

% Use ode45 to solve the nummerical solution of y

%

You can choose to write the function the ode function in a separate .m file r define an anonymous function in this script file. The resulting figure is given in the pdf file.

% Hint: you need first define the ode function and then use the ode45