msos (version 1.2.0)

tr: Trace of a Matrix

Description

Takes the traces of a matrix by extracting the diagonal entries and then summing over.

Usage

tr(x)

Arguments

x

Square matrix (\(Q \times Q\))

Value

Returns a single-value double.

See Also

logdet, fillout

Examples

# NOT RUN {
# Identity Matrix of size 4, gives trace of 4.
tr(diag(4))
# }