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Topic: Solve linear equation with matrix multiplies only
Replies: 4   Last Post: Oct 5, 2012 6:39 AM

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Michael Lehn

Posts: 6
Registered: 6/25/07
Re: Solve linear equation with matrix multiplies only
Posted: Oct 5, 2012 6:39 AM
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On 2012-10-05 00:28:15 +0000, Rui Maciel said:

> spasmous wrote:

>> For a general matrix (rectangular, non-symmetric) 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?
> 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.



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