MATLAB: How convert for loop to while loop

for loopMATLABwhile loop

I must convert that for loop to while loop. How can I do that? I tried somethings but I couldn't get right result.
A=zeros(5,8);
[r,c]=size(A);
%for loop
for i=1:r % loops over rows
    for j=1:c % loops over columns
        if i>j
            A(i,j)=4*i-2*j;
        elseif i<=j
            A(i,j)=i^2-3*j;
        end
    end
end
A

Best Answer

A=zeros(5,8);
[r,c]=size(A);
%for loop
i = 0 ; 
while i<r % loops over rows
  i = i+1 ; 
  j = 0 ; 
  while j<c % loops over columns
    j = j+1 ; 
    if i>j
      A(i,j)=4*i-2*j;
    elseif i<=j
      A(i,j)=i^2-3*j;
    end
  end
end
A
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