tr

0th

Percentile

Trace of a Matrix

Calculates the trace of a square numeric matrix, i.e., the sum of its diagonal elements

Usage
tr(X)
Arguments
X

a numeric matrix

Value

a numeric value, the sum of diag(X)

Aliases
  • tr
Examples
# NOT RUN {
X <- matrix(1:9, 3, 3)
tr(X)

# }
Documentation reproduced from package matlib, version 0.9.2, License: GPL (>= 2)

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