Exponential Trace
Expressions like exp(tr(A)), where A is a square matrix, occur so often in some fields (e.g. multivariate statistical theory), that a shorthand notation has become common:
This is sometimes referred to as the exponential trace function; it is used in the Golden Thompson inequality.
Read more about this topic: Trace (linear Algebra)
Famous quotes containing the word trace:
“No trace of slavery ought to mix with the studies of the freeborn man.... No study, pursued under compulsion, remains rooted in the memory.”
—Plato (c. 427–347 B.C.)