MATLAB: For Loop Problem error

Question

img=imread('C:\Users\Shalaw\Downloads\gray.jpeg');

[n,m]=size(img);

part1=img(1:n/2,1:m/2);

part2=img(1:n/2,(m/2)+1:end);

part3=img(n/2+1:end,1:m/2);

part4=img(n/2+1:end,m/2+1:end);

for i=1:4

subplot(2,2,i);

imshow(part1); —–> I want to change 1 to i, but i cant please help.

end

Answer 1

img=imread('C:\Users\Shalaw\Downloads\gray.jpeg');
[n,m]=size(img);
part{1}=img(1:n/2,1:m/2);
part{2}=img(1:n/2,(m/2)+1:end);
part{3}=img(n/2+1:end,1:m/2);
part{4}=img(n/2+1:end,m/2+1:end);
for i=1:4
    subplot(2,2,i);
   
    imshow(part{i});
end