How to convert from a for loop to a while loop

i got stuck how to change this code from for loop to a while loop ,may someone help

[James Tursa]

Please don't post code as pictures ... we can't copy & run pictures. Post code as text and format it with the CODE button.

[abood sal]

COPOALL = zeros(59,13);
%co1
for i = 1:13
    if AllstudentsResult (2,i)==1
        for j=1:59
            COPOALL(j,1) = COPOALL(j,1) + AllstudentsResult(j+3,i);
        end
    else
        for j=1:59
            COPOALL(j,1) = COPOALL(j,1) + 0;
        end
    end
end

[Geoff Hayes]

abood - which for loop do you want to convert to a while loop? All three?

[abood sal]

yes

Answer 1

[Eva-Maria Weiss]

        j = 1
        while j <= 59
            COPOALL(j,1) = COPOALL(j,1) + AllstudentsResult(j+3,i);
            j = j + 1;
        end
        
     

Maybe something like that? The same for the other for loops....

But why to replace? :)

Good luck!!!