Week 2- 2R Robotic Arm Challenge

https://youtu.be/zSCIng-pS7Y

clear all
close all
clc

%Inputs
l1=1;
l2=0.5;

theta1=linspace(0,90,10);  %first link angle having 10 degree interval in between 0 to 90
theta2=linspace(0,90,10);  %Second link Angle having 10 degree interval in between 0 to 90
ct=1;

for i=1:length(theta1)    %For first link (particular 10 angles)
    THETA1 = theta1(i);    %Capital THETA1 and THETA2 are variables
    for j=1:length(theta2)  %For second link (particular 10 angles)
        THETA2 = theta2(j);
        x0=0;
        y0=0;
        
        x1=l1*cosd(THETA1);
        y1=l1*sind(THETA1);

        x2=x1+l2*cosd(THETA2);
        y2=y1+l2*sind(THETA2);

        %Plotting
      
        plot([x0 x1],[y0 y1],[x1 x2],[y1 y2],'LineWidth',3)  %For each value of theta1 how theta2 changes 
        axis([-0.1 1.5 0 1.5])
        pause(0.03)
        M(ct) =getframe(gcf);
        ct=ct+1;
    end
    
end

movie(M)
videofile =VideoWriter('forward_kinematics.avi','Uncompressed AVI');
open (videofile)
writeVideo(videofile,M)
close(videofile)

https://drive.google.com/file/d/1OKmL1P0qQ1JbMyttB27_tJPJuzv24iMq/view?usp=sharing

Error in movie function Instead of small letter i used Capital M.I attached the error Scrrenshot