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Mathematics-Online lexicon:

absolute value of real numbers


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z overview

The absolute value of a real number $ a$ is defined by

$\displaystyle \vert a\vert = \max(a,-a) =
\left\{
\begin{array}{lll}
a & \mbox{for $a \geq 0$} \\
-a & \mbox{for $a \leq 0$}
\end{array}\right.
$

and has the following properties.

(Authors: Höllig/Kimmerle/Abele)

see also:


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  automatically generated 6/11/2007