In the code below, what does ind do?

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Ifeatu Ezenwe
Ifeatu Ezenwe 2018-12-9
回答： Star Strider 2018-12-9
cost=feval(ff,pop); %evaluate function
[cost,ind]=sort(cost,'descend'); %sorts in descending order
pop=pop(ind,:);

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Star Strider
Star Strider 2018-12-9
It evaluates a function called ‘ff’ with the argument ‘pop’, and assigns it to the variable ‘cost’. It then sorts ‘cost’, gets the associated indices (‘ind’)into the original vector, and uses those indices to re-define ‘pop’, sorting it according to ’cost’.

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