Re: [petsc-users] Handling infeasible solution iterates in TS/SNES

2019-09-03 Thread Steve via petsc-users
, Steve On 02/09/2019 19:03, Smith, Barry F. wrote: Steve, There are two levels at which "out of domain" (infeasible) errors can/should be indicated: 1) First call TSSetFunctionDomainError(). TS calls your provided function when candidate solutions are generated,

[petsc-users] Handling infeasible solution iterates in TS/SNES

2019-09-02 Thread Steve via petsc-users
to be set rather than providing a method to handle them - but perhaps I have misunderstood.) Again, apologies if this is a naive question, and thanks in advance for any suggestions. Steve

Re: [petsc-users] Possibility of using out of date Jacobians with TS

2019-08-12 Thread Steve via petsc-users
linear solver iteration limit, which pretty much never happens on unsteady problems. On Fri, Aug 9, 2019 at 11:11 AM Steve via petsc-users mailto:petsc-users@mcs.anl.gov>> wrote: Thank you Barry, that's very helpful. I'll have a play with those various options and see how

Re: [petsc-users] Possibility of using out of date Jacobians with TS

2019-08-09 Thread Steve via petsc-users
Thank you Barry, that's very helpful. I'll have a play with those various options and see how I get on. On 09/08/2019 15:43, Smith, Barry F. wrote: Steve, There are two possibilities 1) completely under user control, when you are asked for a new Jacobian you can evaluate

[petsc-users] Possibility of using out of date Jacobians with TS

2019-08-09 Thread Steve via petsc-users
Hi, I'm experimenting with the use of PETSc to replace a DAE solver in an existing code that I use to solve stiff nonlinear problems.  I expect to use TSBDF in the final instance, and so am currently playing with it but applied to a simpler linear problem - just to get some experience with

Re: [petsc-users] Solar Renewable Professional Contact List

2014-06-12 Thread steve
: ... Target Job Title: Few Samples: Please let me know your exact target audience you wish to reach, so that I can fetch you some samples records, this will help you analyze the quality of our services. Looking forward to hear from you Thanks and Regards, Steve Perry

[petsc-users] Questions on convergence (SLEPC)

2014-04-30 Thread Steve Ndengue
, -- Steve

[petsc-users] Printing solutions LAPACK (SLEPC)

2014-04-28 Thread Steve Ndengue
Dear all, Is it possible to ask that only the nev selected from **EPSSETDimensions** be printed when using the Lapack method? Would the code work faster if only these values were to be computed instead of all as it does by default? Sincerely, -- Steve

[petsc-users] Compiling program with program files dependencies (SLEPC )

2014-04-24 Thread Steve Ndengue
file 'slepceps.mod' for reading at (1): No such file or directory *I do not get these errors with the tests and errors files. Sincerely, -- Steve

Re: [petsc-users] Compiling program with program files dependencies (SLEPC )

2014-04-24 Thread Steve Ndengue
A** **EPSsolver** **#ENDIF* *** Sincerely. On 04/24/2014 07:25 PM, Satish Balay wrote: On Thu, 24 Apr 2014, Steve Ndengue wrote: Dear all, I am having trouble compiling a code with some dependencies that shall call SLEPC. The compilation

[petsc-users] Fwd: Re: Compiling program with program files dependencies (SLEPC )

2014-04-24 Thread Steve Ndengue
The results is the same with lower case letters... On 04/24/2014 07:39 PM, Matthew Knepley wrote: On Thu, Apr 24, 2014 at 8:36 PM, Steve Ndengue steve.nden...@gmail.com mailto:steve.nden...@gmail.com wrote: Thank you for the quick reply. It partly solved the problem; the PETSC