Talk:Parabola: Difference between revisions
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imported>Paul Wormer (→Diagram: new section) |
imported>Peter Schmitt (→Diagram: yes, probably not correct, and explaining nothing) |
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{{Image|Harmonic field.png|center|350px}} | {{Image|Harmonic field.png|center|350px}} | ||
--[[User:Paul Wormer|Paul Wormer]] 16:48, 16 March 2010 (UTC) | --[[User:Paul Wormer|Paul Wormer]] 16:48, 16 March 2010 (UTC)--[[User:Peter Schmitt|Peter Schmitt]] 01:16, 18 March 2010 (UTC) | ||
:: Indeed, it looks more like half of an ellipses. And even if it were drawn correctly, it does not illustrate any of the properties of a parabola. --[[User:Peter Schmitt|Peter Schmitt]] 01:16, 18 March 2010 (UTC) | |||
Revision as of 19:16, 17 March 2010
I'll be adding the more familiar equation-based description next. --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:
--Paul Wormer 16:48, 16 March 2010 (UTC)--Peter Schmitt 01:16, 18 March 2010 (UTC)
- Indeed, it looks more like half of an ellipses. And even if it were drawn correctly, it does not illustrate any of the properties of a parabola. --Peter Schmitt 01:16, 18 March 2010 (UTC)