Re: [EMHL] A reference
> Dear friends,A small generalization: for any origin Z, (x+y+z) ZP = x ZA + y ZB + z ZC.
> If the barycentric coordinates of a point P are
> (x : y : z) then it is known that for vectors
> we have x.PA + y.PB + z.PC = 0.
> Does anybody has a reference since when this
> equality is known?
> Best regards
> Nikos Dergiades
This is essentially the physical definition of barycentric coordinates.