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| View Original: | Torus cycles2.svg (196x234) | |||
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| Keywords: Torus cycles2.svg torus Radius of magenta circle is <math>R 15</math> and radius of red circle is <math>r 5</math> Image created in maxima with gnuplot backend and subsequently cropped manually using a text editor 2014-04-15 13 32 31 own Krishnavedala 150px valid SVG gnuplot This plot was created using maxima with gnuplot backend <syntaxhighlight lang gnuplot > load draw R 15; r 5; eps 0 05; x R + r cos phi cos theta ; y R + r cos phi sin theta ; z r sin phi ; draw3d terminal svg file_name Torus2 xtics none ytics none ztics none axis_3d false view 90 330 xu_grid 50 yv_grid 100 surface_hide true color black enhanced3d false wired_surface true color gray line_width 0 5 parametric_surface z y x phi - pi pi theta - pi pi color red line_width 1 parametric r+eps sin t 0 R + r+eps cos t t - pi pi color magenta parametric -r R sin t R cos t t - pi pi xrange -20 20 ; </syntaxhighlight> cob cc-zero Torus Fundamental group SVG mathematics Images with Maxima CAS source code | ||||
