How to Calculate The Full Wave Half Maximum.

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Hi Everyone, anyone know how to write command to calculate the Full Wave Half Maxiumum(FWHM) on my data. As shown in figure attached.

Accepted Answer

KSSV on 23 Jun 2021
Let (n.counts) be your data.
[max_counts,idx] = max(counts) ;
half_max_counts = max_counts/2 ;
idx = knnsearch(counts,half_max_counts) ;
FWHM = abs(diff(n(idx)))
You can inerpolate the data for better accuracy.

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