The size of the matrix is 84500 x 84500 the no. of non-zero elements is 2.7338e+09
cheers, Venkatesh On Wed, Jun 10, 2015 at 6:35 PM, Satish Balay <[email protected]> wrote: > Whats the size of the matrix? How many non-zeros? > > Satish > > On Wed, 10 Jun 2015, venkatesh g wrote: > > > Hi > > > > I am trying to write very large sparse matrices A and B for solving > > generalized Eigenvalue problem > > > > so that I can use SLEPC ex7.c code. > > > > I want to read matrices from file according to that code. And I generate > > these matrices from Matlab using PetscBinaryWrite.m > > > > However, it exceeds my 256 GB RAM in one of the machines. So I am unable > to > > generate these binary matrices. > > > > Kindly let me know how to write them efficiently. > > > > cheers, > > > > Venkatesh > > > >
