How to remove position that is not in conditions from a matrix?

Hi, I have a small problem, I want remove the position that is not in conditions from a matrix.

For example, If i have A = [ 1 2 1 3 1 2 2 ] and cumsum them ---> B = [ 1 3 4 7 8 10 12 ]

and I want to remove the first position that B>5 or A(1,4) and rearrange to recalculate and repeat them

• A = [ 1 2 1 1 2 2 ] ---> B = [ 1 3 4 5 7 9 ] ---> remove A(1,5)
• A = [ 1 2 1 1 2 ] ---> B = [ 1 3 4 5 7 ] ---> remove A(1,5)
• A = [ 1 2 1 1 ] ---> B = [ 1 3 4 5 ] ---> stop

Thank you for helping me .

Answer 1

[Image Analyst]

Using find() inside a while loop should allow you to finish this homework problem.

A=
B=
while max(B) > 5
    index = find()
    if ~isempty(index)
        % Code
    end
end

etc. I'm sure you can finish it.

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