• ILUT

  • Referenced in 135 articles [sw08734]
  • ILUT: A dual threshold incomplete LU factorization. In this paper we describe an Incomplete ... ILUT factorization extends the usual ILU(O) factorization without using the concept of level ... traditional ways of developing incomplete factorization preconditioners. The first uses a symbolic factorization approach...
  • CGS

  • Referenced in 295 articles [sw08225]
  • preconditioning called ILLU (an incomplete line-LU-factorization). The conclusion of the author is that...
  • ILUM

  • Referenced in 61 articles [sw07244]
  • Standard preconditioning techniques based on incomplete LU (ILU) factorizations offer a limited degree of parallelism ... multicolor ordering.par We present an incomplete factorization technique based on independent set orderings and multicoloring...
  • TRON

  • Referenced in 106 articles [sw04714]
  • preconditioned conjugate gradient method with an incomplete Cholesky factorization to generate a direction...
  • ARMS

  • Referenced in 63 articles [sw00048]
  • methods are based on a block incomplete LU factorization. The ARMS is fully recursive ... performs slower than ILUT and ILUTP (incomplete LU factorization with threshold and with threshold...
  • DRIC

  • Referenced in 22 articles [sw12610]
  • version of the RIC method.A new incomplete factorization method is proposed, differing from previous ones ... given with the dynamic modified incomplete factorization methods of O. Axelsson and V. A. Barker ... with the relaxed incomplete Cholesky (RIC) method of O. Axelsson and G. Lindskog [Numer. Math...
  • HSL_MI28

  • Referenced in 13 articles [sw13376]
  • efficient and robust limited-memory incomplete Cholesky factorization code. This article focuses on the design ... Moré. Both the density of the incomplete factor and the amount of memory used ... development of robust algebraic incomplete factorization preconditioners and to select default settings for HSL_MI28 ... with ICFS, with a level-based incomplete factorization code and, finally, with a state...
  • TAUCS

  • Referenced in 30 articles [sw04014]
  • uses less memory. Drop-Tolerance Incomplete-Cholesky Factorization. Much slower than the supernodal solvers when...
  • CIMGS

  • Referenced in 11 articles [sw17583]
  • CIMGS: An incomplete orthogonal factorization preconditioner. A new preconditioner for symmetric positive definite systems ... Schmidt (CIMGS), is based on an incomplete orthogonal factorization. CIMGS is robust both theoretically ... more robust than an incomplete Cholesky factorization preconditioner (IC) and a complete Cholesky factorization ... smaller. CIMGS lies between complete Cholesky factorization and incomplete Cholesky factorization in its approximation properties...
  • BFSAI-IC

  • Referenced in 24 articles [sw12938]
  • approximate inverse (FSAI) with an incomplete LU (ILU) factorization. The block version of their FSAI ... proves superior to both FSAI and the incomplete block Jacobi by themselves...
  • MIQR

  • Referenced in 8 articles [sw07242]
  • problems This paper describes a multilevel incomplete QR factorization for solving large sparse least-squares ... problems. The algorithm builds the factorization by exploiting structural orthogonality in general sparse matrices ... processed with a standard QR or incomplete QR factorization. Dropping strategies are employed throughout ... standard incomplete QR preconditioner, the robust incomplete factorization preconditioner, and the algebraic recursive multilevel solver...
  • ILUS

  • Referenced in 16 articles [sw07245]
  • preconditioner in sparse skyline format Incomplete LU factorizations are among the most effective preconditioners...
  • SYM-ILDL

  • Referenced in 9 articles [sw13375]
  • ILDL: Incomplete LDLT Factorization of Symmetric Indefinite and Skew-Symmetric Matrices. SYM-ILDL ... numerical software package that computes incomplete LDLT (or `ILDL’) factorizations of symmetric indefinite and skew ... algorithm is a Crout variant of incomplete LU (ILU), originally introduced and implemented for symmetric ... Saad, Crout versions of ILU factorization with pivoting for sparse symmetric matrices, Transactions on Numerical...
  • Tensorlab

  • Referenced in 42 articles [sw14255]
  • factorizations with structured factors and support for dense, sparse and incomplete data sets, tensor decompositions...
  • Algorithm 740

  • Referenced in 4 articles [sw04691]
  • Fortran subroutines to compute improved incomplete Cholesky factorizations An efficient and reliable code to compute ... incomplete Cholesky factors of sparse matrices for use as preconditioners in a conjugate gradient algorithm ... code implements two recently developed, improved incomplete factorization algorithms. An efficient implementation of the standard ... incomplete Cholesky factorization is also included...
  • AmgX

  • Referenced in 9 articles [sw13440]
  • including block-Jacobi, Gauss-Seidel, and incomplete-LU factorization. The library contains many...
  • sPuReMD

  • Referenced in 6 articles [sw12865]
  • relies on a preconditioner based on incomplete LU factorization with thresholds (ILUT), specially targeted...
  • ILUPACK

  • Referenced in 21 articles [sw10477]
  • incomplete LU decompositions that control the growth of the inverse triangular factors...
  • VBARMS

  • Referenced in 4 articles [sw09387]
  • design of the multilevel incomplete LU factorization preconditioner ARMS [{it Y. Saad...
  • ILUCP

  • Referenced in 3 articles [sw20260]
  • systems. It is based on an incomplete LU factorization combining Crout’s formulation of Gaussian...