## HSL

### Summary

HSL (formerly the Harwell Subroutine Library) is a collection of ISO Fortran codes for large scale scientific computation, written by members of the Numerical Analysis Group and other experts.

### Authors

Numerical Analysis Group at the Rutherford Appleton Laboratory and other experts

### Links

### Status

incomplete information or not officially approved by the authors### Aims and scope

### Mathematical Classification

### Keywords

- approximation
- approximations
- Arnoldi's method
- automatic differentiation
- boudnary value problems
- complex linear systems
- computer algebra
- differential algebraic equations
- differential equations
- eigenvalues
- eigenvectors
- Fletcher-Reeves method
- geometrical problems
- geometry
- heapsort algorithm
- initial value problems
- integer valued functions
- interpolation
- Jacobi's method
- linear algebra
- linear programming
- Marquardt method
- matrices
- matrix
- nonlinear data fitting
- nonlinear equations
- numerical algorithms
- numerical analysis
- numerical integration
- optimization
- polynomial functions
- polynomials
- Powell dog-leg algorithm
- quadratic programming problem
- quicksort algorithm
- random number generator
- rational functions
- rational Lanczos method
- simplex method
- sparse matrices
- statistics
- steepest-edge simplex method
- Stiff differential algebraic equations
- zeros of polynomials