For those using the
MUltifrontal Massively Parallel Solver (MUMPS), the users' guide for version 5.3.3 (June 15, 2020) can be found at:
http://mumps.enseeiht.fr/doc/userguide_5.3.3.pdf[2 Jan 2021-edit]
The link above is broken (at least it is today). The userguide may befound using the Wayback Machine at:
https://web.archive.org/web/20200926104305/http://mumps.enseeiht.fr/doc/userguide_5.3.3.pdf
While FEATool may use an earlier version, the latest manual is still useful for decoding Warning/Error messages returned to FEATool. The "Error diagnostics" chapter (8) begins on page 91.
Here is a message returned on one of my problems:
Warning: MUMPS linear solver failed with error INFO(1:2) = -10:63787]
From page 92 :
--10 Numerically singular matrix. INFO(2) holds the number of eliminated pivots.
In this case a numerically singular matrix was encountered and the number of eliminated pivots was 63787.
Regards,
-Randal
Locked
