ODE and Pendulum motion

Objective: clear all close all clc b=0.5 g=9.81 l=1 m=1 %initial condition theta_0=[0;3]; %time points t_span=linspace(0,10,500); %solver ode [t,results]=ode45(@(t,theta) ode_function(t,theta,b,g,l,m),t_span,theta_0); plot(t,results(:,1)) hold on plot(t,results(:,2)) ylabel(\'plot\') xlabel(\'time\') figure(2) ct=1; for i=1:length(results(:,1))…