Difference between revisions of "Focus Command"
From GeoGebra Manual
m |
(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}} | ||
− | ; Focus | + | ; Focus( <Conic> ): Yields (all) foci of the conic section. |
− | :{{Example|1=<code>Focus | + | :{{Example|1=<code>Focus(4x^2 - y^2 + 16x + 20 = 0)</code> returns the two foci of the given hyperbola: ''A''=(-2, -2.24) and ''B''=(-2, 2.24).}} |
{{Note|1=See also the [[Directrix Command|Directrix]] command.}} | {{Note|1=See also the [[Directrix Command|Directrix]] command.}} |
Latest revision as of 16:32, 4 October 2017
- Focus( <Conic> )
- Yields (all) foci of the conic section.
- Example:
Focus(4x^2 - y^2 + 16x + 20 = 0)
returns the two foci of the given hyperbola: A=(-2, -2.24) and B=(-2, 2.24).
Note: See also the Directrix command.