File:Propriete reflexion ellipse tangente bissectrice.svg

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Original file ‎(SVG file, nominally 515 × 244 pixels, file size: 28 KB)

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Summary[edit]

Description
English: Relationship between the tangent and the bisecting line of an ellipse, and the resulting point-to-point focalisation on an elliptic mirror. Eccentricity: e = 0.866.
Français : Relation entre la tangente et la bissectrice dans une ellipse, et la propriété de focalisation des miroirs elliptiques qui en résulte. Excentricité : e = 0,866.
Date
Source Own work
Author Christophe Dang Ngoc Chan (Cdang (talk))


 
This W3C-unspecified vector image was created with Inkscape .

Ellipse drawn with the following Scilab code:

Scilab source

Scilab source
Scilab source
 This media was created with Scilab, a free open-source software.

Here is a listing of the Scilab source used to create this file. 

t = 0:0.05:2*%pi;
a = 2;b = 1;
x = a*cos(t);
y = b*sin(t);
clf;
plot(x, y)
f = sqrt(a^2-b^2);
plot(-f,0,"+")
plot(f,0,"+")
axe = gca();
axe.isoview="on";

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GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
w:en:Creative Commons
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You are free:
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Under the following conditions:
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  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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Date/TimeThumbnailDimensionsUserComment
current16:09, 13 March 2014Thumbnail for version as of 16:09, 13 March 2014515 × 244 (28 KB)Cdang (talk | contribs){{Information |Description={{en|1=Relationship between the tangent and the bisecting line of an ellipse, and the resulting point-to-point focalisation on an elliptic mirror. Eccentricity: ''e'' = 0.866.}} {{fr|1=Relation entre la tangente et la bissect...

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