sklearn.metrics.pairwise.linear_kernel¶

sklearn.metrics.pairwise.linear_kernel(X, Y=None, dense_output=True)[source]¶

Compute the linear kernel between X and Y.

Read more in the User Guide.

Parameters

Xndarray of shape (n_samples_X, n_features)

Yndarray of shape (n_samples_Y, n_features), default=None

dense_outputbool, default=True

Whether to return dense output even when the input is sparse. If False, the output is sparse if both input arrays are sparse.

New in version 0.20.

Returns

Gram matrixndarray of shape (n_samples_X, n_samples_Y)