API Reference > geometry-core > Numerics > Matrix4d > rowArrays rowArrays Method Returns an array-of-arrays of the matrix rows, optionally passing each value through a function. rowArrays(f?: (value: number) => any): any Parameter Type Description f (value: number) => any optional function to provide alternate values for each entry (e.g. force fuzz to zero.) Returns - any Defined in geometry4d/Matrix4d.ts Line 616 Last Updated: 12 June, 2024