- Provide solvers for eigenvalue problems
- Arnoldi and Lanczos methods for sparse matrices
- Solver for the Upper Hessenberg form taken from the Spectra library
- Interface to Eigen solvers for dense matrices
- Arnoldi and Lanczos methods for sparse matrices
- Fix small bugs and tweak documentation
- Fix symmetry check, default value for ordering, and return for CG solver
- Remove dimension constraints for the QR solvers
- Thanks to helpful comments by Bettina Grün
- Provide interface to Eigen solvers
- Direct: LU, QR, Cholesky
- Iterative: Conjugate Gradient, BiCGSTAB, Least Squares CG