Programmer Guide/Command Reference/EVAL/abs: Difference between revisions

Latest revision as of 10:03, 21 April 2011

Compute the absolute value of the argument x.

Usage

abs(x)

Result

The result of this function is always a scalar, which is ...

Instead of this function, also the special bracket syntax |x| can be used.

See also

absv, qdet

@@ Line 1: / Line 1: @@
-{{DISPLAYTITLE:{{SUBPAGENAME}}}}
+{{DISPLAYTITLE:abs (alias: det)}}
-=====abs=====
+Compute the absolute value of the argument <var>x</var>.
+;Usage: <code>abs(<var>x</var>)</code>
+;Result: The result of this function is always a scalar, which is ...
+::* the absolute value of the number <var>x</var>
+::* the length of the vector <var>x</var>
+::* the determinant of the square matrix <var>x</var>
+:Instead of this function, also the special ''bracket'' syntax '''|''x''|''' can be used.
+;See also: [[../absv|absv]], [[../qdet|qdet]]
-The absolute value of <var>x</var>.
+[[../#Functions|<function list>]]
-=====Usage:=====
-<code>abs(<var>x</var>)</code>
-<code>det(<var>x</var>)</code>
-<code>|<var>x</var>|</code>
-=====Result:=====
-The absolute value of <var>x</var> if <var>x</var> is a scalar, the length of the vector is <var>x</var> is a vector, or the determinant if <var>x</var> is a matrix.
-=====Return Type:=====
-scalar