File:Wave opposite-group-phase-velocity.gif
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Wave_opposite-group-phase-velocity.gif (250 × 154 pixels, file size: 354 KB, MIME type: image/gif, looped, 50 frames, 4.0 s)
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Summary
[edit]DescriptionWave opposite-group-phase-velocity.gif |
English: Animated Plot of a wave with phase and group velocities in opposite directions.
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Date | |
Source |
Own work; This diagram was created with Mathematica. |
Author | Geek3 |
Source Code
[edit]This diagram was created with Mathematica.
Table[Plot[ (5/8 - 3/8 * Cos[2 Pi (x - t)]) * Cos[2 Pi (10*x + 4*t)], {x, 0, 1}, PlotRange -> {-1, 1}, PlotStyle -> Thick, PerformanceGoal -> "Quality" , ImageSize -> 250], {t, 0, 1 - 1/50, 1/50}]
File -> Save Selection As... -> wave_opposite-group-phase-velocity.gif
Bash commands for postprocessing (bash, ImageMagick, gifsicle):
$ convert wave_opposite-group-phase-velocity.gif -crop 268x192 +repage wave.png $ for i in wave-*.png; do convert $i -crop 250x154+9+0 +repage $i; done $ convert wave-?.png wave-??.png wave_opposite-group-phase-velocity.gif $ rm wave-*.png $ gifsicle -b --delay 8 --comment "http://commons.wikimedia.org/wiki/File:wave_opposite-group-phase-velocity.gif" wave_opposite-group-phase-velocity.gif
Licensing
[edit]I, the copyright holder of this work, hereby publish 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 3.0 Unported license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 22:42, 2 April 2011 | 250 × 154 (354 KB) | Geek3 (talk | contribs) | self created file |
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