LAPACK Linear Algebra Library in F77
Solution of systems of equations Ax=b for general dense, symmetric, banded, tridiagonal matrix A,
Solution of linear least squares problems min x || Ax-b ||2for general dense matrix A,
Singular value decomposition A = U ? VT for general dense, banded matrix A,
Solution for eigenvalue problems Ax = ? x for general dense, symmetric, banded matrix A,
Solution of general linear least squares, (GSEP), (GNEP), (GSVD),
Error bounds, condition estimation for (almost) everything,
Real and complex, single and double precision,
Easy-to-use drivers plus computational kernels.