API Reference > geometry-core > Numerics > Matrix4d > multiplyXYZW multiplyXYZW Method multiply matrix times column [x,y,z,w]. return as Point4d. (And the returned value is NOT normalized down to unit w) multiplyXYZW(x: number, y: number, z: number, w: number, result?: Point4d): Point4d Parameter Type Description x number y number z number w number result Point4d Returns - Point4d Defined in core/geometry/src/geometry4d/Matrix4d.ts Line 370 Last Updated: 13 June, 2024