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Stephen Cousins steve.cousins at maine.edu
Wed Mar 8 08:21:18 EST 2023


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On Wed, Mar 8, 2023, 8:18 AM mario wrk <wrkmario at gmail.com> wrote:

> Dear MITgcm community,
> Hi, May I ask a very general question, what is the easiest way to
> implement a cost function for adjoint study? As I find available cost
> functions in ecco package, can it be easier if I just call a cost function
> in pkg/ecco?
>
> I was modifying the legacy code of my group, then I realized, even if I
> just want to change one variable, for example, Zonal Velocity  to
> Temperature in the COST FUNCTION, I have to modify some other associated
> files (I did try and might not find all of them). Then I got TAF ERROR:
> code of function tbar not seen and no flow information set, cannot generate
> derivative common block variable to tbar
>
> Best,
> Mario
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