SparseSymbolicFactorOptions
A structure that contains options that affect the symbolic stage of a sparse factorization.
Declaration
struct SparseSymbolicFactorOptionsMentioned in
Overview
SparseSymbolicFactorOptions supports the following ordering algorithms:
The default ordering (Sparseorderamd for symmetric and Sparseordercolamd for unsymmetric factorizations). | |
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The user-supplied ordering, or identity if Order is | |
Approximate minimum degree (AMD) ordering. There’s a large overhead cost if you use it for QR-based factorization due to explicit formation of AᵀA. | |
METIS nested dissection ordering. There’s a large overhead cost if you use it for QR-based factorization due to explicit formation of AᵀA. | |
The column AMD ordering for AᵀA. This isn’t valid for symmetric factorizations (use Sparseorderamd instead). |