File:VFPt four charges.svg
Size of this PNG preview of this SVG file: 600 × 600 pixels. Other resolutions: 240 × 240 pixels | 480 × 480 pixels | 768 × 768 pixels | 1,024 × 1,024 pixels | 2,048 × 2,048 pixels.
Ing minunang simpan (file) (SVG file, masasabing 600 × 600 pixels, dagul ning simpan: 28 KB)
Sampulung (summary)
| Description |
English: Field of two positive and two negative point charges constituting a non-ideal electric quadrupole. |
| Petsa | |
| Pikuanan | Own work |
| Maki-akda | Geek3 |
| SVG genesis |  This plot was created with VectorFieldPlot. |
| Source code | Python code# paste this code at the end of VectorFieldPlot 1.0
doc = FieldplotDocument('VFPt_four_charges', width=600, height=600, commons=True)
field = Field({'monopoles':[[-1,0,-1], [0,1,1], [1,0,-1], [0,-1,1]]})
doc.draw_charges(field)
n = 8
Fsum = ig.quad(lambda t: sc.dot(field.F([.5*sin(t), 1-0.5*cos(t)]),
[sin(t), -cos(t)]), 0, pi)[0]
for i in range(n):
a = (i + 0.5) / n
w = op.brentq(lambda w: ig.quad(lambda t: sc.dot(field.F([0.5*sin(t),
1-0.5*cos(t)]), [sin(t), -cos(t)]), 0, w)[0] - a * Fsum, 0, pi)
for w1 in range(4):
line = FieldLine(field, rot([.5*sin(w), 1.0-0.5*cos(w)], w1 * pi/2),
directions='both')
doc.draw_line(line, arrows_style={'dist':1.5})
doc.write()
|
Pamamie lisensia
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. |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
You may select the license of your choice.
Amlat ning simpan (File history)
Mag-click kang petsa/oras ba meng akit ing itsura ning simpan aniang panaun a ita.
| Petsa/Oras | Thumbnail | Sukad | Talagamit | Komentu/Puna | |
|---|---|---|---|---|---|
| salukuyan | 14:24, 29 Abril 2017 | | 600 × 600 (28 KB) | Geek3 | validator fix |
| 21:44, 31 Mayu 2010 |  | 600 × 600 (28 KB) | Geek3 | VFPt_four_charges |
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