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finding a value of x for a given y

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lets say i have x=[10:10:100];
y=[23 45 60 82 111 140 167 198 200 220];
and i want to use linear interpolation to approximate the value of x when y=80
i can use interp1(x,y,80) to find the value of y when x=80
how can i get the opposite??

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Accepted Answer

the cyclist
the cyclist on 23 Dec 2020
interp1(y,x,80)

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taher elshreef
taher elshreef on 23 Dec 2020
cant believe i didnt think of that :)

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