[petsc-users] computing matrix exponentials

[Jose E. Roman]

The latest SLEPc version can do exp(tA)*v with a Krylov method (similar to Expokit), see the MFN class. This is quite experimental. Send feedback to slepc-maint.

Jose

 

El 18/01/2014, a las 08:39, amlan barua escribió:

> I would like to explore some exponential time differencing schemes.
> Amlan
> 
> 
> On Sat, Jan 18, 2014 at 1:06 PM, Jed Brown <jed at jedbrown.org> wrote:
> amlan barua <abarua at iit.edu> writes:
> 
> > Hi,
> > Is there a way to compute matrix exponentials in Petsc?
> 
> There isn't a function to do it, but you can implement various
> algorithms using PETSc.  What do you want to use the exponential for?
>