Calculating area under a curve

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Amila Wickramasinghe
评论： Amila Wickramasinghe 2021-4-17
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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回答（1 个）

Image Analyst
Image Analyst 2019-12-10
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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