MatGetArrayF90 is an out-dated routine. For dense matrices you can use MatDenseGetArrayF90()
For sparse matrices you can use MatGetValues() or MatGetRow() Barry > On Jan 22, 2019, at 3:15 PM, Maahi Talukder via petsc-users > <petsc-users@mcs.anl.gov> wrote: > > Hello All, > > I was trying to use ' MatGetArrayF90' to access a matrix and check its > values. But I couldn't do it, probably because of the specific compiler I am > using. > Is there any other way to access a matrix and check its values ? > > > Regards, > Maahi Talukder > Clarkson University
