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How can I get the interpolated value of and array

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I have 2 arrays, one with distances and one with heigth.
heigth = [10 20 30 40]
distance = [1 2 3 4]
I want to be able to get the heigth at any given value from 1 to 4. The main idea is to be able to do:
getHeigth(1.5) --> 15

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Accepted Answer

Thomas Koelen
Thomas Koelen on 13 May 2015
interp1(height,distance,heightinput)

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ricard molins
ricard molins on 13 May 2015
The solution is correct although I asked for interpolating heigth when introducing the distance. It's just need to swap the arguments.
Thanks for your answer

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