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| | How the Pythagorean theorem, law of sines, and law of cosines translate to hyperbolic geometry.
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| | In our last primer we saw the Fourier series, which flushed out the notion that a periodic function can be represented as an infinite series of sines and cosines. While this is fine and dandy, and quite a powerful tool, it does not suffice for the real world. In the real world, very little is truly periodic, especially since human measurements can only record a finite period of time. Even things we wish to explore on this blog are hardly periodic (for instance, image analysis).
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| Liverpool v?a vô ??ch Premier League, ?i?u này t?o nên m?t th?ng kê thú v?: s? cúp vô ??ch c?a các ??i bóng t?o thành m?t dãy s? Fibonacci. ?i?u này là ng?u nhiên hay có m?t cách lí gi?i toán h?c ?n sau nó? Tôi biên bài báo ng?n v? dãy Fibonacci c?ng nh?...