Find the volume under a 3D surface
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I've plotted a 3D surface of point clouds using
surface(x,y,z)
The plot looks like below:
I want to measure the volume below the surface, i.e. the volume of space surrounded by the xy plane, the xz plane, and the surface. How can I do that? Any idea?
Thanks!
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John D'Errico
2021 年 1 月 9 日
Since this appears to be a gridded surface, then you can just use trapz, twice. Call it once on the x dimension, and once on the y dimension.
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