API Reference > geometry-core > CartesianGeometry > Matrix3d > columnDotXYZ columnDotXYZ Method Dot product of an indexed column with a vector given as x,y,z columnDotXYZ(columnIndex: AxisIndex, x: number, y: number, z: number): number Parameter Type Description columnIndex AxisIndex index of column. Must be 0,1,2 x number x component of vector y number y component of vector z number z component of vector Returns - number Defined in geometry3d/Matrix3d.ts Line 979 Last Updated: 12 June, 2024