06 June 2024 10:20:21 PM eigs_test(): C++ version Test eigs(): The Clement1 matrix is symmetric, and has integer eigenvalues. The matrix A: Col: 0 1 2 3 4 Row 0: 0 2 0 0 0 1: 2 0 2.44949 0 0 2: 0 2.44949 0 2.44949 0 3: 0 0 2.44949 0 2 4: 0 0 0 2 0 The eigenvalues LAMBDA 0: 4 0 1: -4 0 2: -2 0 3: -1.08456e-16 0 4: 2 0 The Helmert matrix is nonsymmetric, orthogonal, and has complex eigenvalues of norm 1. The matrix A: Col: 0 1 2 3 4 Row 0: 0.447214 0.447214 0.447214 0.447214 0.447214 1: 0.707107 -0.707107 0 0 0 2: 0.408248 0.408248 -0.816497 0 0 3: 0.288675 0.288675 0.288675 -0.866025 0 4: 0.223607 0.223607 0.223607 0.223607 -0.894427 The eigenvalues LAMBDA 0: 1 0 1: -0.920821 0.389984 2: -0.920821 -0.389984 3: -0.9976 0.0692444 4: -0.9976 -0.0692444 eigs_test(): Normal end of execution. 06 June 2024 10:20:21 PM