/ˈaɪɡənˌvæljuː/► audioScrabble 14Words With Friends 19
Definition
noun (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant.
— synonyms: eigenvalue_of_a_matrix, eigenvalue_of_a_square_matrix, characteristic_root_of_a_square_matrix
Examples
“The eigenvalues \lambda of a square transformation matrix \mathrm{M} may be found by solving \det(\mathrm{M} - \lambda\mathrm{I}) = 0.”