issues: 797302408

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
797302408 MDExOlB1bGxSZXF1ZXN0NTY0MzM0ODQ1 4849 Basic curvefit implementation 39069044 closed 0     12 2021-01-30T01:28:16Z 2021-03-31T16:55:53Z 2021-03-31T16:55:53Z CONTRIBUTOR   0 pydata/xarray/pulls/4849
  • [x] Closes #4300
  • [x] Tests added
  • [x] Passes pre-commit run --all-files
  • [x] User visible changes (including notable bug fixes) are documented in whats-new.rst
  • [x] New functions/methods are listed in api.rst

This is a simple implementation of a more general curve-fitting API as discussed in #4300, using the existing scipy curve_fit functionality wrapped with apply_ufunc. It works for arbitrary user-supplied 1D functions that ingest numpy arrays. Formatting and nomenclature of the outputs was largely copied from .polyfit, but could probably be improved.

 
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