Upper bound on the number of additional nonzero elements in a row introduced by the ILUT preconditionerĭrop tolerance (any element of magnitude smaller than this tolerance is treated as zero )Ĭite this as: Wolfram Research (1988), LinearSolve, Wolfram Language function, (updated 2023). Possible suboptions for "Preconditioner" include: Possible settings for "Preconditioner" include:Ī preconditioner based on an incomplete LU factorization of the original matrix without fill-inĪ variant of ILUT with column permutation Iterative method for Hermitian positive definite matrices Iterative method for arbitrary square matrices The tolerance used to terminate iterations How to apply a preconditioner ( "Left" or "Right" )Ī norm function that computes a norm of the residual of the solution The size of the Krylov basis (GMRES only ) The following suboptions can be specified for the method "Krylov":
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