what is the meaning of following code?

temp = imread(strcat('output/img', num2str(4*i + j), '.tif'));

Answer 1

[John D'Errico]

When you don't understand a line of code, take it apart. Start on the inside most part.

4*i+j : Variables named i and j must exist. 4*i+j does what it looks like, i.e., arithmetic.

num2str(4*i+j): convert that number to a string form

'output/img' : a string

'.tif': Another string

strcat('output/img', num2str(4*i + j), '.tif'): Combine those strings into one string.

Finally, imread does what you think it should do. It reads in an image, with name that was created by the preceding operations.

[Md.Simul Hasan Talukder]

Thank you dear

Next i will follow your advice