API Reference > geometry-core > Numerics > Matrix4d > createInverse createInverse Method Compute an inverse matrix. This uses direct formulas with various determinants. If result is given, it is ALWAYS filled with values "prior to dividing by the determinant". createInverse(result?: Matrix4d): undefined | Matrix4d Parameter Type Description result Matrix4d Returns - undefined | Matrix4d undefined if dividing by the determinant looks unsafe. Defined in geometry4d/Matrix4d.ts Line 569 Last Updated: 11 June, 2024