Module Cov_se_iso.Deriv
module Eval = Eval
Derivatives always require evaluation functions
module Hyper : sig ... end with type t = [ `Log_ell | `Log_sf2 | `Inducing_hyper of inducing_hyper ]
Hyper parameters that have derivatives
module Inducing : sig ... end
Derivatives of the covariance matrix of inducing inputs
module Inputs : sig ... end
Derivatives of the (cross-) covariance matrix of inputs.