#descriptivegeometry — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #descriptivegeometry, aggregated by home.social.
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Spherical Harmonic
You can build rectangular pulses from wavy sine and cosine functions. You can decompose any function into its harmonics. You can do the same for functions that live on a sphere: Cover the surface of the earth with flag poles, and raise flags everywhere - gradually varying the exact height of the flag. How the position of the flag depends on longitude and latitude - this is the function. If the height varies smoothly from flag pole to flag pole, this is a well-behaved function of the kind […]