Barycentric a. : Of or pertaining to the center of gravity. See Barycentric calculus, under Calculus.

Example:
Geometry Barycentric coordinate question?

Taxonomy
barycentric coordinates, triangle, coordinates, lies, simplex, triangle vertices, respect to, x1, xn, a1, mathematics, barycentric, edge, free encyclopedia, interpolate, affine coordinates, linear interpolation, 3D.

Defination from the web:
barycentric coordinates are coordinates defined by the vertices of a simplex (a triangle, tetrahedron, etc) ... Finding the barycentric coordinates has thus been reduced to finding the inverse matrix of , a trivial problem in the case of 2×2 matrices. ...