loop for removing highest value until specific value is reached
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for exmaple,
for 10x10 matrix A
i want to make loop which removes highest element until sum of A is less than 20
and i want to know each removed element's position
i think 'while-loop' is needed
( I only know finding the first highest value using 'for-loop')
采纳的回答
A = randi(13,10);
while sum(A,'all','omitnan')>20
[~,idx] = max(A(:),[],'omitnan');
A(idx) = NaN;
end
isRemoved = isnan(A)
sum(A,'all','omitnan')
更多回答（1 个）
David Hill
2022-7-18
[b,idx]=sort(A(:));
IDX=idx(cumsum(b)>=20);%linear index of each of the removed element's position
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