File:VFPt four wires antiparallel.svg

Original file (SVG file, nominally 600 × 600 pixels, file size: 50 KB)

Summary

Description
English: Magnetic field of four infinite wires perpendicular to the image plane, conducting current into and out of the image plane.
Date
Source Own work
Author Geek3
SVG development
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This plot was created with VectorFieldPlot.
Source code
InfoField

Python code

# paste this code at the end of VectorFieldPlot 3.3 doc = FieldplotDocument('VFPt_four_wires_antiparallel', width=600, height=600, commons=True) field = Field([ ['wire', {'x':x, 'y':y, 'I':I}] for x, y, I in [     [1,1,-1], [1,-1,1], [-1,-1,-1], [-1,1,1] ] ]) doc.draw_currents(field) t0 = 0.105 nlines = 7 p = Startpath(field, lambda t: [t,t], t0=0.0, t1=1-t0).npoints(nlines) for iline in range(nlines):     if iline == 5 or iline == 2:         offs = 0.0     else:         offs = 0.5     for m in range(4):     	line = FieldLine(field,     	    [p[iline][0]*(-1)**(m//2), p[iline][1]*(-1)**m],     	    directions='both')     	doc.draw_line(line, arrows_style={'dist':1.8,     	    'offsets':[offs, 0.5, 0.5, 1.0-offs]}) doc.write()

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inception

May 2010

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Date/TimeThumbnailDimensionsUserComment
current14:25, 29 April 2017Thumbnail for version as of 14:25, 29 April 2017600 × 600 (50 KB)Geek3validator fix
22:20, 31 May 2010Thumbnail for version as of 22:20, 31 May 2010600 × 600 (50 KB)Geek3VFPt_four_wires_antiparallel

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