Add xarray-lmfit extension for curve fitting to ecosystem documentation (#10262)

Author: kmnhan

doc/conf.py

@@ -338,6 +338,7 @@
     "sparse": ("https://sparse.pydata.org/en/latest/", None),
     "xarray-tutorial": ("https://tutorial.xarray.dev/", None),
     "zarr": ("https://zarr.readthedocs.io/en/stable/", None),
+    "xarray-lmfit": ("https://xarray-lmfit.readthedocs.io/stable", None),
 }
 
 # based on numpy doc/source/conf.py

doc/user-guide/ecosystem.rst

@@ -89,6 +89,7 @@ Extend xarray capabilities
 - `X-regression <https://github.com/kuchaale/X-regression>`_: Multiple linear regression from Statsmodels library coupled with Xarray library.
 - `xskillscore <https://github.com/xarray-contrib/xskillscore>`_: Metrics for verifying forecasts.
 - `xyzpy <https://xyzpy.readthedocs.io>`_: Easily generate high dimensional data, including parallelization.
+- `xarray-lmfit <https://github.com/kmnhan/xarray-lmfit>`_: xarray extension for curve fitting using `lmfit <https://lmfit.github.io/lmfit-py/>`_.
 
 Visualization
 ~~~~~~~~~~~~~

xarray/core/dataarray.py

@@ -6410,7 +6410,7 @@ def curvefit(
         """
         Curve fitting optimization for arbitrary functions.
 
-        Wraps `scipy.optimize.curve_fit` with `apply_ufunc`.
+        Wraps :py:func:`scipy.optimize.curve_fit` with :py:func:`~xarray.apply_ufunc`.
 
         Parameters
         ----------
@@ -6550,6 +6550,9 @@ def curvefit(
         --------
         DataArray.polyfit
         scipy.optimize.curve_fit
+        xarray.DataArray.xlm.modelfit
+            External method from `xarray-lmfit <https://xarray-lmfit.readthedocs.io/>`_
+            with more curve fitting functionality.
         """
         # For DataArray, use the original implementation by converting to a dataset first
         return self._to_temp_dataset().curvefit(

xarray/core/dataset.py

@@ -9566,7 +9566,7 @@ def curvefit(
         """
         Curve fitting optimization for arbitrary functions.
 
-        Wraps `scipy.optimize.curve_fit` with `apply_ufunc`.
+        Wraps :py:func:`scipy.optimize.curve_fit` with :py:func:`~xarray.apply_ufunc`.
 
         Parameters
         ----------
@@ -9626,6 +9626,9 @@ def curvefit(
         --------
         Dataset.polyfit
         scipy.optimize.curve_fit
+        xarray.Dataset.xlm.modelfit
+            External method from `xarray-lmfit <https://xarray-lmfit.readthedocs.io/>`_
+            with more curve fitting functionality.
         """
         from xarray.computation.fit import curvefit as curvefit_impl