Evaluation of Volume under surface for tpaps interpolation

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I have used tpaps function to interpolate my X,Y,Z data and thus have obtained a surface. Please let me know how to evaluate volume under the surface using integral2 function. I am at present using a double summation approach and fnval function using for loops to calculate volume but it takes a lot of time.

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Prudhvi Peddagoni
Prudhvi Peddagoni 2020년 9월 28일
Hi Prathamesh Apte,
There are several ways to calculate the volume under a surface. Check out this blog for more information.
Hope this helps.
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Prathamesh Apte
Prathamesh Apte 2020년 10월 5일
Dear Prudhvi Peddagoni,
Thanks for your reply and sorry for the late reply.
I tried the trapz function today and was able to get the answer in much less time. Thanks a lot for your help.
Regards.
Prathamesh Apte

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