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integration of samples

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oblivious
oblivious 2012-6-24
Hello,
I have a sampled data and the sampling frequency is known. Is there any function that can find the area under the implicit continuous curve? MATLAB function quad (to integrate) require the equation of the curve i suppose.
-obli

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回答（1 个）

Andrei Bobrov
Andrei Bobrov 2012-6-24
Try function trapz
  1 个评论
oblivious
oblivious 2012-6-25
trapezoidal method is less accurate. Is there any function that uses other sophisticated models?

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