Description Usage Arguments Examples
calculates the trace of a square matrix
1 | trace_matrix(x)
|
x |
square numeric matrix |
1 2 3 4 5 6 7 8 9 | # a square matrix
set.seed(5)
M = matrix(runif(9), 3, 3)
# trace
trace_matrix(M)
# synonym function
tr(M)
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