How to find corresponding value in Y vector for a non given value in X vector?

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Aniket Raje
Aniket Raje 2017-8-27
评论： KSSV 2017-8-28
Suppose I have 2 vectors, A = [180 230 260 300 360] B = [1.2 3.2 5.6 7.9 9.1]
How do I find value of B for a value of A which is not given? For eg. A = 210.22, B = ?

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回答（1 个）

KSSV
KSSV 2017-8-27
Do interpolation....doc interp1..
Bi=interp1(A,B,210.22)
  2 个评论
Aniket Raje
Aniket Raje 2017-8-27
Hi, Thanks for your Answer. How I find for a value that is beyond the limits of the A vector? Such as 130?
KSSV
KSSV 2017-8-28
It s very much given in the documentation.....I asked you to read the documentation.
Bi = interp1(A,B,130,'linear','extrap')
But note that...you should be careful with the extrapolation.

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