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  • ILUBCG2
  • Referenced in 8 articles [sw12214]
  • linear equations with nonsymmetric and indefinite matrix operators. A preconditioned algorithm is given, whose form...

  • ILUT
  • Referenced in 170 articles [sw08734]
  • element using only the graph of the matrix. Then each fill-in that is introduced ... approach may not be reliable for indefinite problems, since it does not consider numerical values...

  • NAPACK
  • Referenced in 71 articles [sw11666]
  • matrix by a vector, to invert a matrix, to solve least squares problems, to perform ... special routines for general, band, symmetric, indefinite, tridiagonal, upper Hessenberg, and circulant matrices. (netlib napack...

  • MINRES
  • Referenced in 38 articles [sw13371]
  • matrix A−sI must be symmetric but it may be definite or indefinite or singular...

  • MA57
  • Referenced in 92 articles [sw00536]
  • sparse symmetric linear equations that solves indefinite systems with 2 x 2 pivoting for stability ... features of MA57. These include restart facilities, matrix modification, partial solution for matrix factors, solution...

  • ParaSails
  • Referenced in 29 articles [sw11521]
  • pattern of a power of a sparsified matrix. ParaSails also uses a post-filtering technique ... ParaSails can also solve general (nonsymmetric and/or indefinite) problems with a nonfactorized preconditioner. The software ... parallel CG and GMRES solvers, a parallel matrix class and a test driver...

  • LDL
  • Referenced in 19 articles [sw00507]
  • sparse matrices, with some applicability to symmetric indefinite matrices. Its primary purpose is to illustrate ... much of the basic theory of sparse matrix algorithms in as concise a code...

  • symamd
  • Referenced in 7 articles [sw08565]
  • ordering for S, symamd constructs a matrix M such that spones(M’*M) = spones ... function may also work well for symmetric indefinite matrices...

  • Algorithm 977
  • Referenced in 3 articles [sw25562]
  • eigenvalues of the 200×200 Hilbert matrix (whose spectral condition number is greater that ... used for accurate spectral decomposition of general (indefinite) Hermitian matrices...

  • blockSQP
  • Referenced in 3 articles [sw31780]
  • limited to---problems whose Hessian matrix has block-diagonal structure such as problems arising from ... Waechter and Biegler that can also handle indefinite Hessian approximations...

  • BQPD
  • Referenced in 1 article [sw06198]
  • linear programming problems. If the Hessian matrix Q is positive definite, then a global solution ... linear programming (Q=0). When Q is indefinite, a Kuhn-Tucker point that is usually ... pivots is used to promote stability. The matrix algebra is implemented so that the algorithm...

  • ALPO
  • Referenced in 10 articles [sw00035]
  • This paper describes an implementation of the one...

  • AMD
  • Referenced in 60 articles [sw00039]
  • Algorithm 837: AMD is a set of routines...

  • ARMS
  • Referenced in 65 articles [sw00048]
  • ARMS: an algebraic recursive multilevel solver for general...

  • AXIOM
  • Referenced in 173 articles [sw00063]
  • Axiom is a general purpose Computer Algebra system...

  • BoomerAMG
  • Referenced in 195 articles [sw00086]
  • BoomerAMG: A parallel algebraic multigrid solver and preconditioner...

  • BPMPD
  • Referenced in 41 articles [sw00088]
  • BPMPD is a state-of-the-art implementation...

  • CSDP
  • Referenced in 202 articles [sw00169]
  • CSDP, A C Library for Semidefinite Programming. This...

  • EIGIFP
  • Referenced in 46 articles [sw00235]
  • eigifp is a MATLAB program for computing a...