| tr {gremlin} | R Documentation |
Matrix trace methods.
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 matrixXof class Matrix:::dgCMatrix -
dsCMatrix: Method for matrixXof class Matrix:::dsCMatrix
Author(s)
[Package gremlin version 1.0.1 Index]