On Tue, Aug 19, 2008 at 12:12:50PM +0200, Jed Brown wrote: > On Tue 2008-08-19 11:59, Anders Logg wrote: > > On Thu, Aug 14, 2008 at 10:10:03PM +0000, Jed Brown wrote: > > > One way to implement this is to allocate a vector for Dirichlet values, > > > a vector for Homogeneous values, and a Combined vector. The Homogeneous > > > vector is the only one that is externally visible. > > > > Isn't this problematic? I want the entire vector visible externally > > (and not the homogeneous part). It would make it difficult to plot > > solutions, saving to file etc. > > > > Maybe the Function class could handle the wrapping but it would involve a > > complication. > > Right, by `externally visible' I mean to the solution process, that is > time-stepping, nonlinear solver, linear solvers, preconditioners. The > vector you are concerned about is the post-processed state which you can > get with zero communication. It is inherently tied to the mesh and > anything you do with it likely needs to know mesh connectivity. I don't > think it is advantageous to lump this in with the global state vector. > > Jed
I don't understand. What is the global state vector? -- Anders
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