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

Latest revision as of 11:50, 21 April 2011

Compute the sign of the argument.

Usage

sign(x)

Result

The result r has the same type as the argument x.

r[i,j] is set to 1 if x[i,j]≥0 and to -1 if x[i,j]<0

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:{{SUBPAGENAME}}}}
-Compute the sign.
+Compute the sign of the argument.
+;Usage: <code>sign(<var>x</var>)</code>
-;Usage: '''<code>sign(<var>x</var>)</code>'''
 :;<var>x</var>: a scalar, vector or matrix
 ;Result: The result ''r'' has the same type as the argument ''x''.
-::<code>''r''[''i'',''j''] is set to 1 if ''x''[''i'',''j'']>=0 and to -1 if ''x''[''i'',''j'']>=0</code>
+::<code>''r''[''i'',''j''] is set to 1 if ''x''[''i'',''j'']&ge;0 and to -1 if ''x''[''i'',''j'']<0</code>
-;See also: [[Programmer_Guide/Command_Reference/EVAL/int|int]], [[Programmer_Guide/Command_Reference/EVAL/round|round]], [[Programmer_Guide/Command_Reference/EVAL/floor|floor]]
+;See also: [[../int|int]], [[../round|round]], [[../floor|floor]]
-[[Programmer_Guide/Command_Reference/EVAL#Functions|<function list>]]
+[[../#Functions|<function list>]]