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Re: Solve linear equation with matrix multiplies only
Posted:
Oct 5, 2012 6:39 AM


On 20121005 00:28:15 +0000, Rui Maciel said:
> spasmous wrote: > >> For a general matrix (rectangular, nonsymmetric) is there an iterative >> method for solving J*x=b that only uses multiplies J*v and no transpose >> multiples J'*u? I know there are many methods based on J'*J. > > Does the conjugate gradient method fit your criteria? > > http://en.wikipedia.org/wiki/Conjugate_gradient > > > Hope this helps, > Rui Maciel
But that requires the matrix to be symmetric. However, maybe GMRES would work. But I did not entirely understand his problem setting.
Cheers,
Michael



