API Reference > geometry-core > CartesianGeometry > Matrix3d > symmetricEigenvalues symmetricEigenvalues Method Factor this (symmetrized) as a product U * lambda * UT where U is orthogonal, lambda is diagonal. The upper triangle is mirrored to lower triangle to enforce symmetry. symmetricEigenvalues(leftEigenvectors: Matrix3d, lambda: Vector3d): boolean Parameter Type Description leftEigenvectors Matrix3d lambda Vector3d Returns - boolean Defined in geometry3d/Matrix3d.ts Line 1164 Last Updated: 12 June, 2024