- #1

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Are there any techniques for doing this, or is it mainly a intuition and check process?

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- Thread starter 1MileCrash
- Start date

- #1

- 1,331

- 40

Are there any techniques for doing this, or is it mainly a intuition and check process?

- #2

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Eg. of logic series:1,2,2,4,3,8,4,16,5,6etc. In this odd positioned nos are 1,2,3etc and even positioned nos are 2,4,8,16 etc.

- #3

Stephen Tashi

Science Advisor

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Are there any techniques for doing this, or is it mainly a intuition and check process?

Sequences of the form f(n) where f is a polynomial function can be detected and analyzed by making "tables of differences" and looking for a row of zeroes in the table. The polynomial can be reconstructed from such a table. Systematic methods for reconstructing sequences based on mathematical formulae are treated in the mathematics known as "The Calculus Of Finite Differences".

As omkar13 indicates, there are sequences not based on simple mathematical expressions. For example you could number the typographical symbols used in a book and make a sequence corresponding to a short story, say "The Library Of Babel" by Jorges Luis Borges. Perhaps there is a mathematical formulae that would produce that sequence of symbols. I don't know. (Just because the author didn't use such a formula doesn't mean there isn't one.)

- #4

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It's a lot of fun, actually, but sonetimes it would take me too long.

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