File:Dandelin spheres.svg
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Size of this PNG preview of this SVG file: 330 × 397 pixels. Other resolutions: 199 × 240 pixels | 399 × 480 pixels | 638 × 768 pixels | 851 × 1,024 pixels | 1,702 × 2,048 pixels.
Original file (SVG file, nominally 330 × 397 pixels, file size: 6 KB)
Summary
| Description |
Deutsch: de:Dandelinsche Kugel an einer Ellipse
English: Directrix of an ellipse from the Dandelin spheres; Conic Section. PF+PF'=const.
Español: Directriz de una elipse a partir de las esferas de Dandelin
Русский: Директрисы Df1 и Df2 и фокусы f1 и f2 эллипса, как конического сечения, разделяющего шары Данделена. |
| Date | vectorisation 24 July 2016 (upload date) |
| Source | Own work based on: File:Dandelinsche Kugeln.PNG |
| Author | Original: Honina; Vectorisation: User:Perhelion |
| Other versions | Category:Dandelin spheres |
| SVG genesis |
Licensing
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:06, 25 July 2016 | | 330 × 397 (6 KB) | wikimediacommons>Perhelion | cosmetic |
File usage
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