SV: [ODE] Iterative solution

[Peter Honeder]

Russ Smith wrote:
> another point that occurs to me is that non-blocking jacobi is not
> guranteed to converge on a positive definite matrix, whereas
> gauss-siedel/SOR will always converge. in my hexapod experiments the
> maximum jacobi eigenvalue often goes above 1.0, the SOR(1)-SOR(2)
> eigenvalues never do.

doesn't the convergence of jacobi just depend on the validity of the row 
sum criterion and other similar criteria?

Peter