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DOC Ensures that laplacian_kernel passes numpydoc validation #23005

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4 changes: 3 additions & 1 deletion sklearn/metrics/pairwise.py
Original file line number Diff line number Diff line change
Expand Up @@ -1289,16 +1289,18 @@ def laplacian_kernel(X, Y=None, gamma=None):
Parameters
----------
X : ndarray of shape (n_samples_X, n_features)
A feature array.

Y : ndarray of shape (n_samples_Y, n_features), default=None
If `None`, uses `Y=X`.
An optional second feature array. If `None`, uses `Y=X`.

gamma : float, default=None
If None, defaults to 1.0 / n_features.

Returns
-------
kernel_matrix : ndarray of shape (n_samples_X, n_samples_Y)
The kernel matrix.
"""
X, Y = check_pairwise_arrays(X, Y)
if gamma is None:
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1 change: 0 additions & 1 deletion sklearn/tests/test_docstrings.py
Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,6 @@
"sklearn.metrics.pairwise.distance_metrics",
"sklearn.metrics.pairwise.haversine_distances",
"sklearn.metrics.pairwise.kernel_metrics",
"sklearn.metrics.pairwise.laplacian_kernel",
"sklearn.metrics.pairwise.paired_manhattan_distances",
"sklearn.metrics.pairwise.pairwise_distances_argmin",
"sklearn.metrics.pairwise.pairwise_distances_argmin_min",
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