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Finite Element Analysis Toolbox
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polyarea3.m File Reference


POLYAREA3 Area of a polygon in 3D space.

[ AREA ] = POLYAREA3( P1, P2, P3, P4 ) Computes the area of a 3D polygon. P1 is either a 3 (x/y/z) by 3 or 4 array of polygon vertex coordinates, or alternatively P1-P3/4 are array of size 3 by the number of polygons with coordinates of the polygon vertices.