Simulate the transient behavior of a simple pendulum and to create an animation of it s motion

Objective: https://youtu.be/5MpsB5ll3p8 clear all close all clc b = 0.05; g = 9.81; l = 1; m = 1; % initial condition 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); %Angular velocity v = results(:,2); % Animation %origin…