Sparse Matrices for Scientific Computation:
In Honour of John Reid's 70th Birthday

15 - 16 July 2009
Cosener's House
Abingdon, Oxfordshire

Abstracts: Roger Fletcher


L-Implicit-U factorization and the Simplex Update


The LIU factorization has a long history but is largely unconsidered by most practitioners. In this talk we focus on its applicability for the Simplex Update procedure of LP and QP, especially in the case of sparse matrices.

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