Boundary replacement of values in arrays

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Vadim Tambovtsev
Vadim Tambovtsev 2016-10-7
回答： Massimo Zanetti 2016-10-7
Hello. Suppose we have three arrays (columns of m x 1 size). Arrays A,B,C. How to set up the replacement script of such a condition? - if a(i)+b(i)>c(i), replace b(i) so that a(i)+b(i)=c(i), if a(i)+b(i)<=c(i), then okey
Thank you!

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Massimo Zanetti
Massimo Zanetti 2016-10-7
There is no need to loop. Use logical indexing:
a=randi(5,10,1);
b=randi(5,10,1);
c=randi(5,10,1);
[a,b,c]
i = (a+b>c);
b(i) = c(i)-a(i);
[a,b,c]

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