matern.grad.phi {RiskMap}R Documentation

First Derivative with Respect to \phi

Description

Computes the first derivative of the Matern correlation function with respect to \phi.

Usage

matern.grad.phi(U, phi, kappa)

Arguments

U

A vector of distances between pairs of data locations.

phi

The scale parameter \phi.

kappa

The smoothness parameter \kappa.

Value

A matrix with the values of the first derivative of the Matern function with respect to \phi for the given distances.

Author(s)

Emanuele Giorgi e.giorgi@lancaster.ac.uk

Claudio Fronterre c.fronterr@lancaster.ac.uk


[Package RiskMap version 0.1.0 Index]