RxODE (version 0.9.0-8)

rxSymInvCholCreate: Creates an object for calculating Omega/Omega^-1 and derivatives

Description

Creates an object for calculating Omega/Omega^-1 and derivatives

Usage

rxSymInvCholCreate(mat, diag.xform = c("sqrt", "log", "identity"),
  create.env = TRUE, envir = parent.frame())

Arguments

mat

Initial Omega matrix

diag.xform

transformation to diagonal elements of OMEGA. or chol(Omega^-1)

create.env

-- Create an environment to calculate the inverses. (By default TRUE)

envir

-- Environment to evaluate function, bu default it is the parent frame.

Value

A rxSymInv object OR a rxSymInv environment