tr: Matrix trace methods.

In gremlin: Mixed-Effects REML Incorporating Generalized Inverses

Description

Methods to efficiently calculate a matrix trace depending on the class of matrix.

Usage

tr(X, ...)

## Default S3 method:
tr(X, ...)

## S3 method for class 'dgCMatrix'
tr(X, ...)

## S3 method for class 'dsCMatrix'
tr(X, ...)

Arguments

X	A matrix.
...	Additional arguments.

Value

A numeric value for the sum of the diagonal elements.

Methods (by class)

• default: Default method

• dgCMatrix: Method for matrix X of class Matrix:::dgCMatrix

• dsCMatrix: Method for matrix X of class Matrix:::dsCMatrix

Author(s)

[e-mail]

gremlin documentation built on July 1, 2020, 10:22 p.m.