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Line Segment Intersection
2023-02-23
Reviving the line-segment intersection derivation by Simon Walton, posted originally here, archived here. Copied in full below, with some added whitespace and typo fixes. …
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Ruler and compass construction of a heart
2023-02-14
My take on the parametric heart shape concept. A: 90 B: 90 There are many ways to use math to define a heart curve. The second one on that page, a sextic algebraic equation, $$(x^2+y^2-1)^3 + x^2y^3 = 0$$, strikes me as one of the most elegant, but it’s not very… adjustable. …