Symbols:Arithmetic and Algebra/Absolute Value
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Absolute Value
- $\size x$
The absolute value of the variable $x$, when $x \in \R$.
$\size x = \begin {cases} x & : x > 0 \\ 0 & : x = 0 \\ -x & : x < 0 \end {cases}$
The $\LaTeX$ code for \(\size x\) is \size x
.
Also known as
The absolute value symbol is also known as the modulus sign.
Also see
See:
- Symbols:Cardinality
- Symbols:Complex Modulus
- Symbols:Order of Structure
- Symbols:Order of Group Element
for other uses of this symbol.
Sources
- 1973: G. Stephenson: Mathematical Methods for Science Students (2nd ed.) ... (previous) ... (next): Chapter $1$: Real Numbers and Functions of a Real Variable: $1.2$ Operations with Real Numbers
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): Appendix $14$: Symbols