On Mon, Nov 24, 2014 at 4:07 PM, Sharp Stone <[email protected]> wrote:
> Dear all, > > I encountered a weird results from petsc linear solver. I have output the > same matrix and RHS vector from the linear system, and solve it also with > matlab. When dof is 1, both solvers from Matlab and Petsc can give me the > same results, However, Matlab can give me the right result but petsc does > not when dof=4. > > I attached the matrix and RHS vectors for dof=4 case. I don't know where I > made wrong, or else. Thanks a million in advance! > Solve it with LU to check first, -pc_type lu. Matt > -- > Best regards, > > Feng > -- 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
