fabs(). Matt
On Fri, Jan 15, 2010 at 1:25 PM, Ryan Yan <vyan2000 at gmail.com> wrote: > Hi All, > I am solving nonlinear BVP on structure grid using DM. > > For the variable v, I have the following term included in my residual: > abs(v)*v > > My question is: > In DMMGSetSNESLocal(), for the FormFunctionLocal(), at interior node i, > What is the right PETSc function to use for the abs in: > abs(x[i].v) * x[i].v > > Thanks, > Yan > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20100115/eb6feece/attachment.htm>
