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Ublas :

From: eeitan_at_[hidden]
Date: 2006-01-31 13:01:34

Quoting David M Garza <David.M.Garza_at_[hidden]>:

> I'm working with a numerical optimizer designed for large, sparse
> problems and written in Fortran. When the the optimizer calls back for
> a Jacobian evaluation it passes the array where it expects the Jacobian
> values to be placed. Is there a simple way to build a uBLAS sparse
> matrix object which simply wraps this array? My first thought is no,
> but my second thought is "I could make a custom allocator..." Has
> someone already tackled this problem? I expect this array to be big
> (10,000-100,000 elements) so I'd like to avoid just copying it.
> Thanks,
> David
> _______________________________________________
> ublas mailing list
> ublas_at_[hidden]
if you could tell me which optimizer it is, i will try to do so.

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