PROGRAM TO SOLVE 2nd ORDER ODE OF A SIMPLE PENDULUM WITHOUT DAMPING

Objective: PROGRAM TO SOLVE 2nd ORDER ODE OF A SIMPLE PENDULUM WITHOUT DAMPING clear allclose allclc %Inputsg=9.81;l=2;m=0.1; %Initial Conditiontheta_0=[0;5]; %Time pointst_span=linspace(0,20,400); %Solve ODE[t,results]= ode45(@(t,theta) ode_main3(t,theta,g,l,m),t_span, theta_0); function [dtheta_dt]= ode_main3(t,theta,g,l,m)…