sklearn.metrics.pairwise.rbf_kernel — scikit-learn 0.20.4 documentation (original) (raw)

sklearn.metrics.pairwise. rbf_kernel(X, Y=None, gamma=None)[source]¶

Compute the rbf (gaussian) kernel between X and Y:

K(x, y) = exp(-gamma ||x-y||^2)

for each pair of rows x in X and y in Y.

Read more in the User Guide.