lme4 (version 0.3-5)

pdmatrix-class: Positive-definite matrices

Description

The class of positive-definite, symmetric matrices.

Arguments

Objects from the Class

Objects can be created by calls of the form new("pdmatrix", ...). More frequently they are created by coercing a pdMat object to the pdmatrix class.

Extends

Class "matrix", from data part. Class "structure", by class "matrix". Class "array", by class "matrix". Class "vector", by class "matrix".

See Also

pdfactor-class, pdMat-class