matrix-tr: Trace of a matrix
In fBasics: Rmetrics - Markets and Basic Statistics
tr R Documentation
Trace of a matrix
Description
Computes the trace of a matrix.
Usage
tr(x)
Arguments
x
a numeric matrix.
Details
tr computes the trace of a square matrix, i.e., the sum of
its diagonal elements.
If the matrix is not square, tr returns NA.
References
Golub, van Loan, (1996);
Matrix Computations,
3rd edition. Johns Hopkins University Press.
Examples
## Create Pascal Matrix:
P = pascal(3)
P
## Trace:
tr(P)
fBasics documentation built on Nov. 3, 2023, 3:01 p.m.
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| tr | R Documentation |
Trace of a matrix
Description
Computes the trace of a matrix.
Usage
tr(x)
Arguments
x |
a numeric matrix. |
Details
tr computes the trace of a square matrix, i.e., the sum of
its diagonal elements.
If the matrix is not square, tr returns NA.
References
Golub, van Loan, (1996); Matrix Computations, 3rd edition. Johns Hopkins University Press.
Examples
## Create Pascal Matrix:
P = pascal(3)
P
## Trace:
tr(P)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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