API Reference > geometry-core > CartesianGeometry > Matrix3d > multiplyMatrixTransform multiplyMatrixTransform Method multiply this Matrix3d (considered as a transform with 0 translation) times other Transform. This matrix A promoted to block transform[A001]other transform with matrix part B and translation b[Bb01]product[A001][Bb01]=[ABAb01]\begin{matrix} \text{This matrix }\bold{A}\text{ promoted to block transform} & \blockTransform{A}{0} \\ \text{other transform with matrix part }\bold{B}\text{ and translation }\bold{b} & \blockTransform{B}{b}\\ \text{product}& \blockTransform{A}{0}\blockTransform{B}{b}=\blockTransform{AB}{Ab} \end{matrix}This matrix A promoted to block transformother transform with matrix part B and translation bproduct[A001][B0b1][A001][B0b1]=[AB0Ab1] multiplyMatrixTransform(other: Transform, result?: Transform): Transform Parameter Type Description other Transform right hand Matrix3d for multiplication. result Transform optional preallocated result to reuse. Returns - Transform Defined in geometry3d/Matrix3d.ts Line 1859 Last Updated: 11 June, 2024