New procedure bicgstab

[David Bateman]

Søren Hauberg wrote:
> Hi,
>   I don't know much about optimization, so I'm just asking out of
> ignorance, but what is the point of this function compared to the normal
> division operators in Octave?
>   
>
It is iterative, and if you don't care about a great convergence and/or 
you have a good preconditioner this might be faster than the division 
operator... Depends on your problem of course.. However, bicgstab is 
nice to have, but without a good preconditioning routine like "ilu" in 
Octave its use will be limited....

D.

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David Bateman                                dbateman at dbateman.org
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