API Reference > geometry-core > Numerics > Matrix4d > multiplyPoint3d multiplyPoint3d Method multiply matrix times XYAndZ and w. return as Point4d (And the returned value is NOT normalized down to unit w) multiplyPoint3d(pt: Readonly<WritableXYAndZ>, w: number, result?: Point4d): Point4d Parameter Type Description pt Readonly<WritableXYAndZ> w number result Point4d Returns - Point4d Defined in geometry4d/Matrix4d.ts Line 393 Last Updated: 12 June, 2024