API Reference > geometry-core > CartesianGeometry > Matrix3d > multiplyInverseXYZAsVector3d multiplyInverseXYZAsVector3d Method multiply matrixInverse * [x,y,z]. This is equivalent to solving matrix * result = [x,y,z] return as a Vector3d, or undefined if the matrix is singular. multiplyInverseXYZAsVector3d(x: number, y: number, z: number, result?: Vector3d): undefined | Vector3d Parameter Type Description x number y number z number result Vector3d Returns - undefined | Vector3d Defined in geometry3d/Matrix3d.ts Line 1693 Last Updated: 11 June, 2024