MATLAB Answers

Calculating area under a curve

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Amila Wickramasinghe
Amila Wickramasinghe on 10 Dec 2019
Answered: Image Analyst on 10 Dec 2019
Hi all!
I would like to know how to calculate the area under a curve which does not given an equation. I am really gratefyl if some scholar provide me an answer.
Kind regards,
A.Wickramasinghe

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Answers (1)

Image Analyst
Image Analyst on 10 Dec 2019
Depends on what the signal values truly represent. I'd suggest either summing the signal with sum() or using trapz(). You can make a case for either being a good computation of the area under the curve depending on what the signal means physically.

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