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i have two matrices (faces and vertices)which i use to create a 3d reconstruction either using patch or trisurf. i need to calculate the volume of the 3d reconstruction. Can any one give me a way to do this? 
Chris Clark wrote: 
if you have the information (like in the correct image) of both the vertices and the faces then i dont think that they do. convhulln though can only take in one matrix so im not entirely sure in that case. 
"Chris Clark" <boozelclark@gmail.com> wrote in message <i4ba9s$i1f$1@fred.mathworks.com>... 
If your volume is a closed triangulated surface then you may be able to use the following: 
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