| checkPosDef {rockchalk} | R Documentation |
Check a matrix for positive definitness
Description
Uses eigen to check positive definiteness. Follows example used
in MASS package by W. N. Venables and Brian D. Ripley
Usage
checkPosDef(X, tol = 1e-06)
Arguments
X |
A matrix |
tol |
Tolerance (closeness to 0 required to declare failure) |
Value
TRUE or FALSE
Author(s)
Paul E. Johnson pauljohn@ku.edu
[Package rockchalk version 1.8.157 Index]