Finding x value for given y in a zig-zag data.

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JAMMI ASHOK
JAMMI ASHOK el 29 de Ag. de 2020
Respondida: Star Strider el 29 de Ag. de 2020
I have a data which oscillates around x-axis. How can I get x values for a given y value. I can get as many, I will sort the one required.
Thank you.

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Star Strider
Star Strider el 29 de Ag. de 2020
Use findpeaks (with the original and negative of your data), or islocalmax and islocalmin, to get the peaks and valleys, then for each of those segments, use interp1 to get the x-values for a y-value in each segment.
This obviously requires a loop. There is no alternative.

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R2020a

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