sigex.renderpd: Modifies a covariance matrix so that it is pd

View source: R/sigex.renderpd.r

sigex.renderpdR Documentation

Modifies a covariance matrix so that it is pd

Description

Modifies a covariance matrix so that it is pd

Usage

sigex.renderpd(L.mat, D.mat, thresh)

Arguments

L.mat

Rectangular, lower Cholesky factor

D.mat

Vector of diagonal entries in Cholesky decomposition

thresh

A threshold for condition numbers. The new covariance matrix has a modified D matrix, such that the condition numbers (with the same L.mat) are bounded below by thresh.

Value

conds.new: new condition numbers


jlivsey/sigex documentation built on March 20, 2024, 3:17 a.m.