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how to extrapolate with given data? (maybe very simple)

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JaeSung Choi
JaeSung Choi 2017-6-6
评论： Stephen23 2021-6-26
I want to guess outside the given data! For example data x = 1:5 y = [7 9 10 11 12] are given. And I want to guess the values at x=6,7. (For any method) How can I do it? Help me..

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Stephen23
Stephen23 2017-6-6
编辑：Stephen23 2017-6-6
>> interp1(x,y,[6,7],'linear','extrap')
ans =
13 14
And remember that extrapolated values are always to be taken with a pinch of salt.
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riadh euldji
riadh euldji 2021-6-26
hello sir how can do extrapolation
let's take this exemple to extrapolate beyond the range x =1:5 like 6 to 8
and our new rang will be x1=1:8 is that possible ????
Stephen23
Stephen23 2021-6-26
@riadh euldji: did you try the code given in my answer ????

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