mxtr function

Numerical and Symbolic Matrix Trace

Computes the trace of a numeric or character matrix.

mxtr(x)

Arguments

• x: numeric or character matrix.

Returns

numeric or character.

Examples

### numeric matrix
x <- matrix(1:4, nrow = 2)
mxtr(x)

### character matrix
x <- matrix(letters[1:4], nrow = 2)
mxtr(x)

References

Guidotti E (2022). "calculus: High-Dimensional Numerical and Symbolic Calculus in R." Journal of Statistical Software, 104(5), 1-37. tools:::Rd_expr_doi("10.18637/jss.v104.i05")

See Also

Other matrix algebra: mxdet(), mxinv(), mx()