| arnoldi | Krylov Subspace Spectral Decomposition | 
| eigen2 | Spectral Decomposition | 
| lanczos | Krylov Subspace Spectral Decomposition | 
| sanic | Solving Ax = b Nimbly in C++ | 
| solve2 | Solve Systems of Equations | 
| solve_cg | Solve Systems of Equations Using Iterative Methods | 
| solve_chol | Solve Systems of Equations Using Direct Methods | 
| solve_lu | Solve Systems of Equations Using Direct Methods | 
| solve_qr | Solve Systems of Equations Using Direct Methods | 
| sparsify | Transform a Matrix to Be Sparse. | 
| svd2 | Singular Value Decomposition |