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  2. Addition chain - Wikipedia

    en.wikipedia.org/wiki/Addition_chain

    A Brauer chain or star addition chain is an addition chain in which each of the sums used to calculate its numbers uses the immediately previous number. A Brauer number is a number for which a Brauer chain is optimal. [5] Brauer proved that l * (2 n −1) ≤ n − 1 + l * (n) where ⁠ ⁠ is the length of the shortest star chain. [7]

  3. Conway chained arrow notation - Wikipedia

    en.wikipedia.org/wiki/Conway_chained_arrow_notation

    A "Conway chain" is defined as follows: Any positive integer is a chain of length . A chain of length n, followed by a right-arrow → and a positive integer, together form a chain of length +. Any chain represents an integer, according to the six rules below.

  4. Kuhn length - Wikipedia

    en.wikipedia.org/wiki/Kuhn_length

    The length of a fully stretched chain is = for the Kuhn segment chain. [5] In the simplest treatment, such a chain follows the random walk model, where each step taken in a random direction is independent of the directions taken in the previous steps, forming a random coil .

  5. Continued fraction - Wikipedia

    en.wikipedia.org/wiki/Continued_fraction

    In number theory the standard unqualified use of the term continued fraction refers to the special case where all numerators are 1, and is treated in the article Simple continued fraction. The present article treats the case where numerators and denominators are sequences { a i } , { b i } {\displaystyle \{a_{i}\},\{b_{i}\}} of constants or ...

  6. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    The TI-108 is a simple four-function calculator which uses single-step execution.. The immediate execution mode of operation (also known as single-step, algebraic entry system (AES) [7] or chain calculation mode) is commonly employed on most general-purpose calculators.

  7. Lucas number - Wikipedia

    en.wikipedia.org/wiki/Lucas_number

    As with the Fibonacci numbers, each Lucas number is defined to be the sum of its two immediately previous terms, thereby forming a Fibonacci integer sequence. The first two Lucas numbers are L 0 = 2 {\displaystyle L_{0}=2} and L 1 = 1 {\displaystyle L_{1}=1} , which differs from the first two Fibonacci numbers F 0 = 0 {\displaystyle F_{0}=0 ...

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Convex hull algorithms - Wikipedia

    en.wikipedia.org/wiki/Convex_hull_algorithms

    Monotone chain, a.k.a. Andrew's algorithm — O(n log n) Published in 1979 by A. M. Andrew. The algorithm can be seen as a variant of Graham scan which sorts the points lexicographically by their coordinates. When the input is already sorted, the algorithm takes O(n) time. Incremental convex hull algorithm — O(n log n)