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[HG DOLFIN] added other way of solving the singular system.

To: dolfin-dev@xxxxxxxxxx
From: dolfin@xxxxxxxxxx (DOLFIN)
Date: Fri, 16 May 2008 15:38:52 +0200 (CEST)
Delivered-to: dolfin-dev@xxxxxxxxxx

One or more new changesets pushed to the primary dolfin repository.
A short summary of the last three changesets is included below.

changeset:   4197:a5b0949f803c65c559c1f3cb47b3b399066580ca
tag:         tip
user:        Kent-Andre Mardal <kent-and@xxxxxxxxx>
date:        Fri May 16 15:39:19 2008 +0200
files:       sandbox/la/hypre/main.cpp
description:
added other way of solving the singular system.

Result:

0 KSP preconditioned resid norm 2.779379236226e+01 true resid norm 5.311486273119e+01 ||Ae||/||Ax|| 1.000000000000e+00
1 KSP preconditioned resid norm 2.459253515003e+01 true resid norm 5.770320073802e+01 ||Ae||/||Ax|| 1.086385199375e+00
2 KSP preconditioned resid norm 5.494001567997e-15 true resid norm 7.105427357601e-15 ||Ae||/||Ax|| 1.337747476363e-16
Krylov solver (gmres, hypre) converged in 2 iterations.


changeset:   4196:d6261d75eef8564d7f9f6ec294797f04453376c9
parent:      4195:e6f368f35fcdc6d90e9a47322e6f4988e0f51dfe
parent:      4194:804740d2416ba13606fede58b9847025bfc80b65
user:        Anders Logg <logg@xxxxxxxxx>
date:        Thu May 15 23:02:17 2008 +0200
files:       
description:
merge


changeset:   4195:e6f368f35fcdc6d90e9a47322e6f4988e0f51dfe
parent:      4192:40698451fd5958be0f97312cfdb3d812ebb23c49
user:        Anders Logg <logg@xxxxxxxxx>
date:        Thu May 15 22:55:57 2008 +0200
files:       ChangeLog
description:
Update ChangeLog

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