[astro] Re: update about the conjugate gradient descent

[Malik Magdon-Ismail]

Hi,

Make sure that the reset is >26.

-Malik

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Have Faith in Probability
-Malik Magdon-Ismail
  Associate Professor of Computer Science
  Rensselaer Polytechnic Institute (RPI)

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On Thu, 14 Jun 2007, Travis Desell wrote:

> I've implemented a sum of squares function for the MPI version of our
> MLE code, and am running
> it with conjugate gradient descent.  For 22 parameters, it's taking
> around 56 iterations to optimize -
> so I think that means we might be having a problem with it.  That could
> explain why it's not converging
> faster than normal gradient descent.
>
> -- 
> ----------------------------------------------------------------------------------------------------------
> Travis Desell
> <deselt @ cs.rpi.edu>
> 1-518-878-7424
> Worldwide Computing Laboratory ( http://wcl.cs.rpi.edu/ )
> Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180, USA
> ----------------------------------------------------------------------------------------------------------
>
>
>