Difference between revisions of "Directrix Command"
From GeoGebra Manual
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| − | <noinclude>{{Manual Page|version=5.0}}</noinclude> | + | <noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|conic}} |
| − | {{command|conic}} | ||
; Directrix[ <Conic> ]: Yields the directrix of the conic. | ; Directrix[ <Conic> ]: Yields the directrix of the conic. | ||
:{{Example|1=<code>Directrix[x^2 - 3x + 3y = 9]</code> yields the line ''y'' = 4.5}} | :{{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.}} | ||
Revision as of 09:08, 17 August 2015
- 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.
