Difference between revisions of "IsDefined Command"

From GeoGebra Manual
Jump to: navigation, search
m
(command syntax: changed [ ] into ( ))
 
(One intermediate revision by one other user not shown)
Line 1: Line 1:
<noinclude>{{Manual Page|version=5.0}}</noinclude>
+
<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|logical}}
{{command|logical}}
+
; IsDefined( <Object> ): Returns ''true'' or ''false'' depending on whether the object is defined or not.
; IsDefined[ <Object> ]: Returns ''true'' or ''false'' depending on whether the object is defined or not.
+
:{{Example|1=<code>IsDefined(Circle((1,1), -2))</code> returns ''false''.}}
:{{Example|1=<code>IsDefined[Circle[(1,1), -2]]</code> returns ''false''.}}
 

Latest revision as of 18:41, 30 September 2017

© 2024 International GeoGebra Institute