File:Cylindrical coordinates (2).png
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Cylindrical_coordinates_(2).png (445 × 311 pixels, file size: 8 KB, MIME type: image/png)
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[edit]This image shows some kind of formula that could be converted to TeX. Storing formulas as images makes it harder to change them. TeX also helps making sure that they all use the same font and size.
A replacement has been proposed: In your article, replace the image with: <math>\begin{array}{l} \text{Cylindrical Coordinates } (r,\phi,z):\\ d\vec l=(dr)\hat r+(rd\phi)\hat\phi+(dz)\hat z\quad dV=r\cdot d\phi\cdot dr\cdot dz\\ \text{Gradient }\vec\nabla f=\frac{\partial f}{\partial r}\hat r+\frac{1}{r}\frac{\partial f}{\partial\phi}\hat\phi+\frac{\partial f}{\partial z}\hat z\\ \text{Divergence }\vec\nabla\cdot\vec F=\frac{1}{r}\frac{\partial(r\cdot F_r)}{\partial r}+\frac{1}{r}\frac{\partial F_\phi}{\partial\phi}+\frac{\partial F_z}{\partial z}\\ \text{Curl }\vec\nabla\times\vec F=\left(\frac{1}{r}\frac{\partial F_z}{\partial\phi}-\frac{\partial F_\phi}{\partial z}\right)\hat r+\left(\frac{\partial F_r}{\partial z}-\frac{\partial F_z}{\partial r}\right)\hat\phi+\frac{1}{r}\left(\frac{\partial(r\cdot F_\phi)}{\partial r}-\frac{\partial F_r}{\partial\phi}\right)\hat z\\ \text{Laplacian }\nabla^2f=\frac{1}{r}\frac{\partial}{\partial r}\left(r\frac{\partial f}{\partial r}\right)+\frac{1}{r^2}\frac{\partial^2f}{\partial\phi^2}+\frac{\partial^2f}{\partial z^2} \end{array}</math> Deutsch ∙ English ∙ italiano ∙ magyar ∙ Nederlands ∙ polski ∙ sicilianu ∙ svenska ∙ Ελληνικά ∙ български ∙ македонски ∙ русский ∙ 日本語 ∙ فارسی ∙ +/− |
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DescriptionCylindrical coordinates (2).png |
Deutsch: Die Differentialoperatoren der Vektoranalysis dargestellt in Zylinderkoordinaten.
עברית: קואורדינטות גליליות
נוצר על ידי 15px_MathKnight_10px (שיחה) 10:04, 27 ספטמבר 2005 (UTC) , שימוש חופשי. |
Date | 27 September 2005 (original upload date) |
Source | Transferred from he.wikipedia to Commons. |
Author | MathKnight at Hebrew Wikipedia |
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[edit]MathKnight at Hebrew Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
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.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: MathKnight at Hebrew Wikipedia
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[edit]The original description page was here. All following user names refer to he.wikipedia.
- 2005-09-27 10:04 MathKnight 445×311× (8070 bytes) קואורדינטות גליליות נוצר על ידי ~~~~ , שימוש חופשי. {{GFDL}}
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:07, 6 January 2012 | 445 × 311 (8 KB) | Matanya (talk | contribs) | {{BotMoveToCommons|he.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{he|קואורדינטות גליליות נוצר על ידי 15px |
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File usage on Commons
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- File:Cylndrical-coordinates02.png (file redirect)
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File change date and time | 11:07, 27 September 2005 |
Horizontal resolution | 28.34 dpc |
Vertical resolution | 28.34 dpc |