[task #16364] Study the SFIT routine of IDL

[Raul Infante-Sainz]

URL:
  <https://savannah.gnu.org/task/?16364>

                 Summary: Study the SFIT routine of IDL 
                   Group: GNU Astronomy Utilities
               Submitter: infantesainz
               Submitted: Fri 05 May 2023 11:37:26 AM UTC
         Should Start On: Fri 05 May 2023 12:00:00 AM UTC
   Should be Finished on: Fri 05 May 2023 12:00:00 AM UTC
                Category: Arithmetic
                Priority: 5 - Normal
              Item Group: New feature
                  Status: None
                 Privacy: Public
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                  Effort: 0.00


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Follow-up Comments:


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Date: Fri 05 May 2023 11:37:26 AM UTC By: Raul Infante-Sainz <infantesainz>
During a group meeting we discussed if somehow the SFIT routine of IDL can be
of help in the implementation of the surface fitting. Information about this
function can be found here: https://www.l3harrisgeospatial.com/docs/sfit.html

The good news is that efforts to implement such 2D polynomial fits are
ongoing. The low-level things are very similar to the 1D fits we already have
in Statistics:
https://www.gnu.org/software/gnuastro/manual/html_node/Least-squares-fitting.html







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