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Jan 14, 2018 at 4:03 comment added მამუკა ჯიბლაძე I wonder whether there is an analogue of this for rational functions - say given a series expansion with algorithmically given coefficients, whether one may detect a linear recurrence if one of the convergents is suddenly divisible by a very high power of the variable or something like that...
Jan 18, 2014 at 9:14 comment added Steven Stadnicki Another version of this is the 'batting average' problem, as it appears in Knuth's The Art of Computer Programming (vol. 2): what's the fewest number of at bats a baseball player can have if their average (rounded to 3 decimals) is .334? (The solution proceeds by computing the CFs for $.3335 = 667/2000 = [0; 2, 1, 666]$ and $.3345 = 669/2000 = [0; 2, 1, 94, 1, 1, 3]$ - the correct answer is then found by finding the fraction for the 'simplest' number in that range, $[0; 2, 1, 95]$ - namely, $\frac{96}{287}\approx 0.334495$.)
Feb 20, 2011 at 6:53 comment added Alexey Ustinov Let me add this application to the trivial list.
Jan 3, 2011 at 16:21 history answered Andreas Blass CC BY-SA 2.5