How to find a value of a vector from another one?

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Amin Ganjavi
Amin Ganjavi 2015-11-25
评论： Amin Ganjavi 2015-11-25
There are two (A&B) vectors with N samples each. Each number of A has a specific value in B.
I have a value in A (a number among N samples), and interested to find it in B. For example:
A=[250 400 300 200 100 ...]
B=[5 6 1 2 9 ...]
I want to find B when A =200, the answer is B=2 (in this case).
Thanks

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Ingrid
Ingrid 2015-11-25
is this what you mean?
B(A==200)

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