The more adaptors the better
> On Apr 15, 2015, at 8:51 PM, Emil Constantinescu <emcon...@mcs.anl.gov> wrote: > > > On 3/24/15 5:31 AM, Lisandro Dalcin wrote: >> Emil, is there any chance you can try my code with your problem? I >> really need some feedback to push this to PETSc, otherwise > > Hi Lisandro - we checked ts_alpha_adapt and we tested it on a small system > (mildly stiff van der Pol ODE). I enclosed a Figure generated by Debo that > compares the error at the final time against ATOL - there alpha is the > original one (with original adaptor). For this problem your adaptor works > better [ error should be close to ATOL]. So from my perspective, your adaptor > works well. However, we need to keep the old too so that we have a one step > adaptor available ... since alpha is a one step method. > > Emil > <Figure2.pdf>
