Thanks On Tuesday, May 26, 2020, Stefano Zampini <[email protected]> wrote:
> All the solvers/matrices/vectors works for PetscScalar types (i.e. in your > case complex) > If you need to solve for the real part only, you can duplicate the matrix > and call MatRealPart to zero out the imaginary part. But the solve will > always run in the complex space > You should not be worried about doubling the memory for a matrix (i.e. > real and imaginary part) > > > On May 26, 2020, at 11:28 PM, Sam Guo <[email protected]> wrote: > > complex version is needed since matrix sometimes is real and sometimes is > complex. I want to solve real matrix without allocating memory for > imaginary part((except eigen pairs). > > On Tuesday, May 26, 2020, Zhang, Hong <[email protected]> wrote: > >> You can build PETSc with complex version, and declare some variables as >> 'PETSC_REAL'. >> Hong >> >> ------------------------------ >> *From:* petsc-users <[email protected]> on behalf of Sam >> Guo <[email protected]> >> *Sent:* Tuesday, May 26, 2020 1:00 PM >> *To:* PETSc <[email protected]> >> *Subject:* [petsc-users] using real and complex together >> >> Dear PETSc dev team, >> Can I use both real and complex versions together? >> >> Thanks, >> Sam >> > >
