Programmer Guide/Command Reference/EVAL/sign - Revision history

193.171.195.48 at 10:50, 21 April 2011

2011-04-21T10:50:51Z

← Older revision		Revision as of 12:50, 21 April 2011
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	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		:;<var>x</var>: a scalar, vector or matrix
	;Result: The result ''r'' has the same type as the argument ''x''.		;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'']≥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>]]

Toni at 10:56, 4 April 2011

2011-04-04T10:56:40Z

← Older revision		Revision as of 12:56, 4 April 2011
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	:;<var>x</var>: a scalar, vector or matrix		:;<var>x</var>: a scalar, vector or matrix
	;Result: The result ''r'' has the same type as the argument ''x''.		;Result: The result ''r'' has the same type as the argument ''x''.
	::<code>''x''[''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'']>=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: [[Programmer_Guide/Command_Reference/EVAL/int\|int]], [[Programmer_Guide/Command_Reference/EVAL/round\|round]], [[Programmer_Guide/Command_Reference/EVAL/floor\|floor]]

	[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]		[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]

Toni at 10:56, 4 April 2011

2011-04-04T10:56:27Z

← Older revision		Revision as of 12:56, 4 April 2011
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	~~=====~~sign~~=====~~		Compute the sign.

	~~The~~ sign of <var>x</var> ~~(1 for~~ <var>x</var>>=0, -1 ~~for <var~~>x</~~var~~> ~~< 0)~~		;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>''x''[''i'',''j''] is set to 1 if ''x''[''i'',''j'']>=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]]

	~~=====Usage:=====~~		[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]

	~~<code>sign(<var>x<~~/~~var>)~~<~~/code~~>

Admin: 1 revision: Initial import

2010-11-18T16:31:39Z

1 revision: Initial import

← Older revision	Revision as of 18:31, 18 November 2010
(No difference)

193.171.195.8: initial import

2010-05-17T13:05:27Z

initial import

New page

{{DISPLAYTITLE:{{SUBPAGENAME}}}}
=====sign=====

The sign of <var>x</var> (1 for <var>x</var>>=0, -1 for <var>x</var> < 0)

=====Usage:=====

<code>sign(<var>x</var>)</code>