Column. -----Original Message----- From: Jose David Bermeol <jbermeol at purdue.edu> Date: Wed, 19 Mar 2014 23:45:15 -0400 To: petsc-dev mailing list <petsc-dev at mcs.anl.gov> Subject: [petsc-dev] baij block orintation >Hi, one question, is each block of the matrix baij store in row major >order or column major order. > >Thnaks