Re: [petsc-dev] Solving under determined systems

2016-09-22 Thread Mark Adams
On Wed, Sep 21, 2016 at 10:20 PM, Munson, Todd wrote: > > You can set up TAO to solve such a problem. > > However, your problem boils down to solving the > linear system > > w - V*lambda = 0 > V'*w = b > > Taking the Schur complement with respect to w, you get > the system > > V'*V*

Re: [petsc-dev] Hijacked MPI calls...

2016-09-22 Thread Satish Balay
merged the fix to 'next' https://bitbucket.org/petsc/petsc/commits/1dac896b5164bd7681661a63f944dd271192ecc1 Satish On Thu, 15 Sep 2016, Barry Smith wrote: > > > On Sep 15, 2016, at 11:06 PM, Jed Brown wrote: > > > > Satish Balay writes: > > > >> On Tue, 13 Sep 2016, Satish Balay wrote: > >

Re: [petsc-dev] errors for /petsc/src/ts/examples/tutorials/ex29.c

2016-09-22 Thread Barry Smith
branch barry/fix-dmdacreate in next for testing pulls the DMSetFromOptions() and DMSetUp() call out of the DMDACreateNd(). It also removes any special handling of negative M,N, and P arguments. Barry > On Sep 15, 2016, at 11:35 PM, Jed Brown wrote: > > Barry Smith writes: >> A perhaps b