gradSEmat: Gradient of the squared exponential kernel, matrix version

Description Usage Arguments Value

View source: R/kernel-SE.R

Description

Gradient of the squared exponential kernel, matrix version

Usage

1
gradSEmat(x, len = 1, K = NULL)

Arguments

x

Vector of scalar parameters, or matrix of vector parameters.

len

Length-scale of correlation, isotropic (scalar) or separable (vector), defaults to 1.

K

Kernel matrix, if already computed

Value

a list of partial derivatives of the correlation matrix w.r.t. each lengthscale.


rudazhang/gpc documentation built on Dec. 22, 2021, 8:12 p.m.