Optimization codes at Netlib.

Subspace-searching simplex method for the unconstrained optimization of general multivariate functions, generalizing the Nelder-Mead simplex method.

Provides a common file server to PVM processes. Source code available.

A portable FORTRAN emulation of CRAY SCILIB.

A software library containing over 1400 general purpose mathematical and statistical routines written in Fortran 77.

Comprised of four numerical (iterative) methods for computing the singular value decomposition (SVD) of large sparse matrices using double precision Fortran 77.

Fortran 77 code that solves sparse systems of linear algebraic equations by Gaussian elimination.

A Java version numerically intensive test that has been used for years to measure the floating point performance of computers. By Jack Dongarra, Reed Wade, and Paul McMahan.

A collection of linear algebra routines with an improved interface which exploits Fortran 95 features such as assumed-shape arrays, optional arguments, and generic interfaces. Includes source code, documentation, and related papers.

Online book describing the MPI standard and how to write programs with it.