| F01LEF | LU factorization of real tridiagonal matrix |
| F04BCF | Computes the solution and error-bound to a real tridiagonal system of linear equations |
| F04LEF | Solution of real tridiagonal simultaneous linear equations (coefficient matrix already factorized by F01LEF) |
| F07CAF | Computes the solution to a real tridiagonal system of linear equations |
| F07CBF | Uses the LU factorization to compute the solution, error-bound and condition estimate for a real tridiagonal system of linear equations |
| F07CDF | LU factorization of real tridiagonal matrix |
| F07CEF | Solves a real tridiagonal system of linear equations using the LU factorization computed by F07CDF |
| F07CGF | Estimates the reciprocal of the condition number of a real tridiagonal matrix using the LU factorization computed by F07CDF |
| F07CHF | Refined solution with error bounds of real tridiagonal system of linear equations, multiple right-hand sides |