[R] Modifying the design matrix X in GAMS to suit data assimilation

esatel eli at water.ca.gov
Thu Jul 12 16:56:06 CEST 2012

Thanks Simon!  I can use the functional approach to bridge the gap between
this and more traditional forms of data assimilation.

At the moment, though, what I am doing is related to your work with soap
films, in which your response comes from linearly combine solutions of a PDE
evaluated at the point of the observation:
y = PDE ( weighed_sum_j( IC(j) ) ) = weighted_sum_j( PDE (IC(j)) )

I take it that your other ideas will allow me to do that, and in any event
they give me some material to digest.


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