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| I have several dozen polyhedra with, in all, dozens of vertices and dozens of faces, which is why I use the v={};i={} and Graphics3D and GraphicsComplex, which I'll keep for the below example even though it's not necessary in this case. Also I'll... |
| I have a book, A Dictionary of Real Numbers, by Borwein and Borwein. If you're not familiar with it, it's a list of numbers that are the result of a limited number of operations on a limited number of numbers. The numbers printed are eight... |
| I want (for starters) to cut half a disk (which I think is the same thing as a "semicircular lamina") into two pieces of the same area, with a cut parallel to the straight ("diametrical") side of the half disk. (In all the following, radius is 1.) At... |
| I can color a helix with 2 colors: ParametricPlot3D[{Sin[t], Cos[t], t/3}, {t, 0, 15}, ColorFunction -> Function[{x, y, z, t}, If[t False] [img=width: 435px; height:... |