@Test
public void multipleEigenvalues() {
DenseMatrix64F A = new DenseMatrix64F(5,5, true, 2.191140, -0.098491, -0.397037, 0.367426, -0.208338, -0.098491, 2.776741, 0.623341, 0.624798, 0.401906, -0.397037, 0.623341, 3.571302, -0.239631, -0.264573, 0.367426, 0.624798, -0.239631, 3.625034, -0.162896, -0.208338, 0.401906, -0.264573, -0.162896, 3.835783);
TridiagonalDecompositionHouseholder tridiag = new TridiagonalDecompositionHouseholder();
tridiag.decompose(A);
double diag[] = new double[5];
double off[] = new double[4];
tridiag.getDiagonal(diag,off);