From: Gunter Winkler (guwi17_at_[hidden])
Date: 2007-02-21 08:13:42
On Wednesday 21 February 2007 14:02, Neal Becker wrote:
> I have an application which uses a data structure that is a variation on a
> This is a vector of vectors, where each row is a vector of a different
> While this case is covered by generalized vector_of_vector, it would be
> terribly inefficient to handle that way. Within each row the data are
This sounds like "Skyline storage" of sparse matrices?
> I wonder if this data type is sufficiently common to warrant a ublas type
> to handle it?
If the class fits into the linear algebra framework and if it fulfils the
concept requirements, then it can be added. An application of a generalized
band matrix (the bandwidth for each row is different) is p-version FEM.
BTW: a gvov of banded_vectors (not yet implemented) should be able to handle