Hi, I am solving an over-determined linear system Ax=b and b=0.
A size: 296856 x 14430 x (non-zero guess): 14430 b (zero): 296856 All of them are using seq mode to create, so one node will solve this. However I got this error: [0]PETSC ERROR: Nonconforming object sizes! [0]PETSC ERROR: Mat mat,Vec y: global dim 296856 14430! [0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: *MatMult() line 2171 in src/mat/interface/matrix.c* [0]PETSC ERROR: KSP_MatMult() line 204 in src/ksp/ksp/impls/cg//datadb/raafat/src/petsc-3.4.3/include/petsc-private/kspimpl.h [0]PETSC ERROR: KSPSolve_CG() line 132 in src/ksp/ksp/impls/cg/cg.c [0]PETSC ERROR: KSPSolve() line 441 in src/ksp/ksp/interface/itfunc.c Any restrictions here or I misunderstood something? Thanks! -- Brian Yang U of Houston
