On Tue, 20 Feb 2007, Manav Bhatia wrote: > > > > So, if I have a problem with a LHS matrix, and I want to use an > explicit method, then do I have to invert the matrix before asking > the solver to run? i.e. the solver will not do that for me? The LHS matrix formulation is not implemented for the explicit method. Do you have such application? Hong