Archiu:Directional derivative contour plot.svg
Tamany d'esta previsualisació PNG de l'archiu SVG: 530 × 525 píxels. Atres/s resolucions: 242 × 240 píxels | 485 × 480 píxels | 775 × 768 píxels | 1034 × 1024 píxels | 2068 × 2048 píxels.
Resolució completa. ((Image SVG, nominalment 530 × 525 pixels, tamany d'archiu: 162 kB))
Summary
| Description |
English: This plot shows the gradient, , and scaled by the directional derivative in the direction of of at (−5, 5).
Source codeCreated with the following Sage code, and later edited in Inkscape: (contour_plot(x^2 + y^2, (x, -20, 0), (y, 0, 20), contours=range(50, 850, 50), cmap='summer') + point((-5, 5), color='red', size=15, zorder=4) +
arrow([-5, 5], [-15, 15], zorder=2) + arrow([-5, 5], [-5, 15], zorder=2, color='darkorange') + arrow([-5, 5], [-5, 6], zorder=3, color='darkgreen') +
text(r'$\nabla_\mathbf{u} f(-5, 5)$', (-12.5, 9.5), fontsize=14) + text(r'$\mathbf{u}$', (-4.3, 5.5), color='darkgreen', fontsize=14) +
text(r'$\mathbf{u}\nabla_\mathbf{u} f(-5, 5)$', (-2.3, 11.5), color='darkorange', fontsize=14))
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| Date | |
| Source | Own work |
| Author | Eviatar Bach |
| SVG development |  This image was created with SageMath. and with Inkscape. |
Licensing
Eviatar Bach, the copyright holder of this work, hereby publishes it under the following licenses:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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This work has been released into the public domain by its author, Eviatar Bach. This applies worldwide. In some countries this may not be legally possible; if so: Eviatar Bach grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
You may select the license of your choice.
Historial de l'image
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| Data/Hora | Miniatura | Dimensions | Usuari | Descripció | |
|---|---|---|---|---|---|
| actual | 02:11 30 jun 2014 | | 530 × 525 (162 kB) | wikimediacommons>InverseHypercube | fixing error |
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