Version 2.4.0

9th April 2013

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ME57 Sparse Hermitian or complex symmetric: multifrontal method

To solve a sparse Hermitian or complex symmetric system of linear equations. Given a sparse Hermitian or complex symmetric matrix $A={\left\{{a}_{ij}\right\}}_{n×n}$ and an $n$-vector $B$ (or an $n×s$ matrix $B$), this subroutine solves the system $Ax=b$ ($AX=B$).

ME57 is a complex version of the code MA57 that is described in the technical report “MA57 - a new code for the solution of sparse symmetric indeﬁnite systems” by Duﬀ (RAL-TR-2002-024). This can be obtained from the web site

http://www.numerical.rl.ac.uk/reports/reports.html.