Difference between revisions of "Center Command"

Revision as of 09:21, 4 August 2015

This command differs among variants of English:

Center[ <Conic> ]: Returns the center of a circle, ellipse, or hyperbola.; Example: Center[x^2 + 4 y^2 + 2x - 8y + 1 = 0]
(, : Centre[x^2 + 4 y^2 + 2x - 8y + 1 = 0])
returns point A = (-1, 1)

Note: See also

,

Center[ <Quadric> ]: Creates the center of a quadric (e.g. sphere, cone, etc.).; Example:
Center[x^2 + (y-1)^2 + (z-2)^2 = 1] yields (0, 1, 2)

@@ Line 4: / Line 4: @@
 :Returns the center of a circle, ellipse, or hyperbola.
 :{{Example|1= <code>Center[x^2 + 4 y^2 + 2x - 8y + 1 = 0]</code><br/> {{langnote|non-US|2=<code>Centre[x^2 + 4 y^2 + 2x - 8y + 1 = 0]</code>}}<br/> returns point ''A = (-1, 1)''}}
-{{Note|1= See also [[Image:Tool_Midpoint_or_Center.gif]] [[Midpoint or Center Tool|Midpoint or Center]] {{langnote|non-US|[[Midpoint or Center Tool|Midpoint or Centre]]}} tool .}}
+{{Note|1= See also [[File:Mode midpoint.svg|link=|20px]] [[Midpoint or Center Tool|Midpoint or Center]] {{langnote|non-US|[[Midpoint or Center Tool|Midpoint or Centre]]}} tool .}}
 ;Center[ <Quadric> ]
 :Creates the center of a quadric (e.g. sphere, cone, etc.).
 :{{example| 1=<div><code><nowiki>Center[x^2 + (y-1)^2 + (z-2)^2 = 1]</nowiki></code> yields ''(0, 1, 2)''</div>}}