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  1. proslijedio/la je Tweet
    prije 13 sati

    A sequence is anti-Fibonacci if each term in the sequence is the sum of the two terms immediately after it. Is (1) the only anti-Fibonacci sequence starting with 1 composed of integers? Is (2) the only anti-Fibonacci sequence starting with 1 composed of positive real numbers?

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  2. prije 10 sati

    Even Poincare Made Mistakes: Tales of Success through Failure:

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  3. proslijedio/la je Tweet
    2. velj

    Is there a sequence of positive numbers beginning with 1 with the "anti-Fibonacci" property that every term in it equals the sum of the two terms immediately after it?

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  4. prije 23 sata

    "An alternating sign matrix is a matrix of 0s, 1s, and -1s in which the entries in each row or column sum to 1 and the nonzero entries in each row and column alternate in sign."

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  5. proslijedio/la je Tweet
    2. velj

    Binet's formula for Fibonacci numbers

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  6. 2. velj
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  7. 2. velj

    "If a book has been in print for forty years, I can expect it to be in print for another forty years. But, and that is the main difference, if it survives another decade, then it will be expected to be in print another fifty years."

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  8. 2. velj
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  9. 2. velj
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  12. 1. velj

    "Two rats fell into a can of milk. After swimming for a time one of them realized his hopeless fate and drowned. The other persisted, and at last the milk was turned into butter and he could get out." JE Littlewood on his collaboration with M Cartwright.

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  13. proslijedio/la je Tweet
    1. velj

    ⁩ thank you for your wisdom and insight! Success Equation is a must-read for all investment professionals

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  14. proslijedio/la je Tweet
    29. sij
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  15. 31. sij
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  16. 31. sij

    Prime fact: All primes (except 2 & 3) differ by 1 from a multiple of 6.

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  17. proslijedio/la je Tweet
    30. sij

    [1/2] Now that the ingenious has posted linkages that compute both squares and cubes, I thought it would be fun to reverse-engineer the squaring one. If you want to work through this in detail yourself, note that all lengths are multiples of 1/16. The magic here…

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  18. proslijedio/la je Tweet
    31. sij

    "Familiarity is not easily distinguished from truth." -- Daniel Kahneman

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  19. 31. sij

    What is the probability of putting n distinguishable balls into n distinguishable boxes such that exactly one box remains empty?

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  20. 31. sij
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