How to replace an element in an struct array

2013 8 21
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Hi,
I have a problem about replacing an element in the array with a new one.
Could you please take a look and tell me what i'm doing wrong?
breedpop =
1x100 struct array with fields:
sched
harvvol
npv
penalty
fitness
% every array has 10 element in it.
I tried to replace one of the element in the breedpop.penalty array(doesnt matter index of the element) this way
breedpop(i).penalty = newgeneration(i).penalty;
It works if i run once but when i run it more than 100(number of iteration) bredpop.penalty becomes more than 10 element.
How can I do it?

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Walter Roberson
Walter Roberson 2013-8-21
We would need to see more about how you create newgeneration(i).penalty

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Azzi Abdelmalek
Azzi Abdelmalek 2013-8-21
编辑：Azzi Abdelmalek 2013-8-21

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Because newgeneration(i).penalty when i >100 contains more then 10 elements
If you want to take the first 10 elements
breedpop(i).penalty(1:10) = newgeneration(i).penalty(1:10);

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tevzia
tevzia 2013-8-21
I wanna replace one from the list(newpopulation.penalty) to old list (breedpop.penalty)
breedpop(i).penalty = newgeneration(i).penalty(end)
however it didn't work
tevzia
tevzia 2013-8-21
I solve it. thank you
breedpop(n).penalty = newpopulation(i).penalty(end)
n is the last one of the list (number of the elements)

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