API Reference > geometry-core > CartesianGeometry > Matrix3d > multiplyMatrixTransposeMatrix multiplyMatrixTransposeMatrix Method Matrix multiplication thisTranspose * other. [resultxx resultxy resultxzresultyx resultyy resultyzresultzx resultzy resultzz]=[thisxx thisxy thisxzthisyx thisyy thisyzthiszx thiszy thiszz][otherxx otheryx otherzxotherxy otheryy otherzyotherxz otheryz otherzz]\matrixXY{result}=\matrixXY{\text{this}}\matrixTransposeSubXY{\text{other}}⎣⎢⎡resultxx resultxy resultxzresultyx resultyy resultyzresultzx resultzy resultzz⎦⎥⎤=⎣⎢⎡thisxx thisxy thisxzthisyx thisyy thisyzthiszx thiszy thiszz⎦⎥⎤⎣⎢⎡otherxx otheryx otherzxotherxy otheryy otherzyotherxz otheryz otherzz⎦⎥⎤ multiplyMatrixTransposeMatrix(other: Matrix3d, result?: Matrix3d): Matrix3d Parameter Type Description other Matrix3d result Matrix3d Returns - Matrix3d the matrix result Defined in geometry3d/Matrix3d.ts Line 1836 Last Updated: 11 June, 2024