lowertriangB: Recover lower triangular B

Description Usage Arguments Value

Description

Recover the only lower triangular stable matrix B such that the associate OU process admit invariant distribution with covariance equal to the given matrix.

Usage

1
lowertriangB(Sigma, P = solve(Sigma), C = diag(nrow = nrow(Sigma)))

Arguments

Sigma

PSD matrix, the covariance matrix

P

PSD matrix, the inverse of the covariance

C

PSD matrix

Value

A stable lower triangular matrix


gherardovarando/crossSectional documentation built on July 7, 2019, 12:44 a.m.