finding the two coordinates

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Babu Sankhi
Babu Sankhi on 1 Oct 2020
Commented: Babu Sankhi on 4 Oct 2020
Hi all,
I have a plot from experimental data. I want to find the two values of x that corresponds to y=0. Basically, I want to find the coordinates A and B ( in both coordinates y=0) in the file attached below. I tried by using " find (x==0)" but it gave me blank. Can you please help how can I find them?
Thank you

Accepted Answer

Matt J
Matt J on 2 Oct 2020
fzero(@(x)interp1(A,x), [1,numel(A)])
Babu Sankhi
Babu Sankhi on 4 Oct 2020
Thank you ,
It worked now.

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