Moving Mouse Pointer using Matlab code

clc;
import java.awt.Robot;
cursor = Robot;

cursor.mouseMove(0, 0);
screensize = get(0, 'screensize');
aspect_ratio = screensize(3)/screensize(4);
for i = 1:screensize(4)
cursor.mouseMove(aspect_ratio*i, i);
pause(0.005);
end