A macron is a bar placed over a single symbol or character, such as . The symbol is sometimes used to denote the following operations:
1. The complex conjugate .
2. The mean (a.k.a. arithmetic mean)
of a set of values .
3. Negation of a logical expression.
4. Infrequently, the adjoint operator.
A bar placed over multiple symbols or characters is called a vinculum.
, Arithmetic Mean
, Complex Conjugate
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ReferencesBringhurst, R. The Elements of Typographic Style, 2nd ed. Point Roberts, WA: Hartley and Marks,
p. 281, 1997.
Referenced on Wolfram|AlphaMacron
Cite this as:
Weisstein, Eric W. "Macron." From MathWorld--A
Wolfram Web Resource. https://mathworld.wolfram.com/Macron.html