MATLAB Simulating motion of a simple pendulum (ODE)

Objective: All the steps have been mentioned in the code itself. clear all close all clc %assigning fixed parameter b=0.05; g=9.81; l=1; m=1; %initial conditions theta_0=[0;3]; %time points t_span=linspace(0,20,500); %solve ODE [t, results] = ode45(@(t,theta) ode_func(t,theta,b,g,l,m),t_span, theta_0); %animation %limits of…