Talk:Parabola: Difference between revisions

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Definition: The planar curve formed by the points that lie as far from a given line (the directrix) as from a given point (the focus). [d] [e]

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I'll be adding the more familiar equation-based description next. --Holger Kley 02:00, 10 December 2007 (CST)

I wonder whether the diagram really depicts a parabola. It seems as if the two branches ultimately are parallel to the y-axis. Compare with:

CC Image

--Paul Wormer 16:48, 16 March 2010 (UTC)

@@ Line 2: / Line 2: @@
 I'll be adding the more familiar equation-based description next.
 --[[User:Holger Kley|Holger Kley]] 02:00, 10 December 2007 (CST)
+== Diagram ==
+I wonder whether the diagram really depicts a parabola. It seems as if the two branches ultimately are parallel to the y-axis. Compare with:
+{{Image|Harmonic field.png|center|350px}}
+--[[User:Paul Wormer|Paul Wormer]] 16:48, 16 March 2010 (UTC)