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TWEET # Untitled a guest Jan 29th, 2020 79 Never
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1. public static void FibonacciGoldenNuggets()
2.         {
3.             BigInteger PolynomialApproximation(BigInteger p, BigInteger q)
4.             {
5.                 var pq = p * q;
6.                 var denom = q * q - pq - p * p;
7.
8.                 return (pq % denom != 0) ? -1 : pq / denom;
9.             }
10.             FibonacciNumbers()
11.                 .Skip(2)
12.                 .Where((x, i) => i % 2 == 0)
13.                 .Zip(FibonacciNumbers().Skip(2).Where((x, i) => i % 2 == 1), (x, y) => (x, y))
14.                 .Select(t => PolynomialApproximation(t.x, t.y))
15.                 .DisplayStreamForce(stop: true);
16.         }
17.
18.         public static IEnumerable<BigInteger> FibonacciNumbers(int firstSeed = 0, int secondSeed = 1)
19.         {
20.             for (BigInteger first = firstSeed, second = secondSeed; ; first += second, second += first)
21.             {
22.                 yield return first;
23.                 yield return second;
24.             }
25.         }
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