Difference between revisions of "Directrix Command"
From GeoGebra Manual
(REMOVED "At the moment this works just for Parabolas") |
(command syntax: changed [ ] into ( )) |
||
Line 1: | Line 1: | ||
<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|conic}} | <noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|conic}} | ||
− | ; Directrix | + | ; Directrix( <Conic> ): Yields the directrix of the conic. |
− | :{{Example|1=<code>Directrix | + | :{{Example|1=<code>Directrix(x^2 - 3x + 3y = 9)</code> yields the line ''y'' = 4.5}} |
{{Note|1=See also the [[Focus Command|Focus]] command.}} | {{Note|1=See also the [[Focus Command|Focus]] command.}} |
Latest revision as of 16:30, 4 October 2017
- Directrix( <Conic> )
- Yields the directrix of the conic.
- Example:
Directrix(x^2 - 3x + 3y = 9)
yields the line y = 4.5
Note: See also the Focus command.