[petsc-users] KSPBuildSolution
Juha Jäykkä
juhaj at iki.fi
Sat Feb 19 04:19:35 CST 2011
> I don't know how to handle the f'(1) = b. I was always taught to first
> introduce new variables to reduce the problem to a first order equation.
> For example let g = f' and the new problem is F(f,g,g') = 0 with the
> additional equations g = f' now there are no second derivatives.
Yes, that's always an option and for time stepping, for instance, that is
probably always the best way to go, but I did not think that would be
necessary for a simple second order ODE - albeit a non-linear one.
Let me see what happens if I do that...
Cheers,
-Juha
--
-----------------------------------------------
| Juha Jäykkä, juhaj at iki.fi |
| http://www.maths.leeds.ac.uk/~juhaj |
-----------------------------------------------
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: This is a digitally signed message part.
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110219/70367e88/attachment.pgp>
More information about the petsc-users
mailing list