API Reference > geometry-core > CartesianGeometry > Matrix3d > multiplyMatrixMatrixInverse multiplyMatrixMatrixInverse Method Multiply this matrix times inverse of other multiplyMatrixMatrixInverse(other: Matrix3d, result?: Matrix3d): Matrix3d | undefined Parameter Type Description other Matrix3d result Matrix3d Returns - Matrix3d | undefined the matrix result Defined in core/geometry/src/geometry3d/Matrix3d.ts Line 1641 Last Updated: 13 June, 2024