Original file (SVG file, nominally 330 × ばつ 397 pixels, file size: 6 KB)
Summary
Description
Dandelin spheres.svg
English: Directrix of an ellipse from the
Dandelin spheres ; Conic Section. PF+PF'=const.
Español:
Русский: Директрисы Df1 и Df2 и фокусы f1 и f2 эллипса, как конического сечения, разделяющего
шары Данделена .
Date
vectorization 24 July 2016 (upload date)
Licensing
Public domain Public domain false false
[画像:Public domain ]
I, the copyright holder of this work, release this work into the
public domain . This applies worldwide.
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I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.
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Date/Time Thumbnail Dimensions User Comment current 12:36, 25 July 2016 Thumbnail for version as of 12:36, 25 July 2016 330 × ばつ 397 (6 KB) Perhelion cosmetic 12:14, 25 July 2016 Thumbnail for version as of 12:14, 25 July 2016 330 × ばつ 397 (6 KB) Perhelion replace font serif → sans-serif 11:56, 25 July 2016 Thumbnail for version as of 11:56, 25 July 2016 330 × ばつ 397 (6 KB) Perhelion tiny improvement 11:11, 25 July 2016 Thumbnail for version as of 11:11, 25 July 2016 330 × ばつ 397 (6 KB) Perhelion add dimension 10:48, 25 July 2016 Thumbnail for version as of 10:48, 25 July 2016 512 × ばつ 616 (6 KB) Perhelion + en, uk, fr, it 20:52, 24 July 2016 Thumbnail for version as of 20:52, 24 July 2016 512 × ばつ 616 (5 KB) Perhelion improved 18:08, 24 July 2016 Thumbnail for version as of 18:08, 24 July 2016 512 × ばつ 616 (4 KB) Perhelion small text position fix // Editing SVG source code using User:Rillke/SVGedit.js ; upload handled by User:Rillke/MwJSBot.js 18:04, 24 July 2016 Thumbnail for version as of 18:04, 24 July 2016 512 × ばつ 616 (4 KB) Perhelion =={{int:filedesc}}== {{Information |description= {{de|1=de:Dandelinsche Kugel an einer Ellipse}} {{en|1=Directrix of an ellipse from the Dandelin spheres ; Conic Section. PF+PF'=const.}} {{es|1=Directriz de una elipse a par...
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