Oh, I did not understand fully what you meant before. So you have multi dimension in X (eg, 2d GP which the mean function would be a surface), then yes you can assign different ℓ and η to regularized the feature in each dimension.
Oh, I did not understand fully what you meant before. So you have multi dimension in X (eg, 2d GP which the mean function would be a surface), then yes you can assign different ℓ and η to regularized the feature in each dimension.