We have no format that handles Kronecker products explicitly. However, these generally reduce to one-dimensional versions, and are maintained unassembled I think. However, maybe Barry has a better suggestion.
Matt On 10/8/07, Tim Sears <tim.sears at anu.edu.au> wrote: > I wish to perform the matrix-vector multiplication Ax, where A = (I > 'kron' B), and B is a rectangular matrix. > 'kron' is the Kronecker product of two matrices. > Clearly A contains many repeated values. Is there a PETSC format that > can store this matrix efficiently? > If so how does one populate it? > Cheers, > --Tim > > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
