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  2. Factorial - Wikipedia

    en.wikipedia.org/wiki/Factorial

    In mathematics, the factorial of a non-negative integer, denoted by ! , is the product of ... [74] and the Boost C++ library. [75] If efficiency is not a concern, ...

  3. Factorial code - Wikipedia

    en.wikipedia.org/wiki/Factorial_code

    If the data are first encoded in a factorial way, however, then the naive Bayes classifier will achieve its optimal performance (compare Schmidhuber et al. 1996). To create factorial codes, Horace Barlow and co-workers suggested to minimize the sum of the bit entropies of the code components of binary codes (1989).

  4. List of game engines - Wikipedia

    en.wikipedia.org/wiki/List_of_game_engines

    Improvements to the id Tech 3 engine. id Tech 4 Doom 3 engine: C++: 2011 C++ via DLLs: Yes 3D Windows, Linux, macOS: Doom 3, Quake 4, Prey, Enemy Territory: Quake Wars, Wolfenstein, Brink: GPL-3.0-or-later: Also termed the Doom 3 engine; features advanced: lighting, shadows, interactive GUI surfaces. id Tech 4.5: C++: 2011 C++ via DLLs: Yes 3D ...

  5. Computational complexity of mathematical operations - Wikipedia

    en.wikipedia.org/wiki/Computational_complexity...

    Graphs of functions commonly used in the analysis of algorithms, showing the number of operations versus input size for each function. The following tables list the computational complexity of various algorithms for common mathematical operations.

  6. Williams's p + 1 algorithm - Wikipedia

    en.wikipedia.org/wiki/Williams's_p_+_1_algorithm

    At this point gcd(91645-2,112729) = 811, so 811 is a non-trivial factor of 112729. Notice that p−1 = 810 = 2 × 5 × 3 4. The number 9! is the lowest factorial which is multiple of 810, so the proper factor 811 is found in this step. The factor 139 is not found this time because p−1 = 138 = 2 × 3 × 23 which is not a divisor of 9!

  7. Factorial number system - Wikipedia

    en.wikipedia.org/wiki/Factorial_number_system

    The term "factorial number system" is used by Knuth, [3] while the French equivalent "numération factorielle" was first used in 1888. [4] The term "factoradic", which is a portmanteau of factorial and mixed radix, appears to be of more recent date. [5]

  8. Stirling number - Wikipedia

    en.wikipedia.org/wiki/Stirling_number

    Stirling numbers express coefficients in expansions of falling and rising factorials (also known as the Pochhammer symbol) as polynomials.. That is, the falling factorial, defined as = (+) , is a polynomial in x of degree n whose expansion is

  9. List of commercial video games with available source code

    en.wikipedia.org/wiki/List_of_commercial_video...

    Between 2019 and 2021 K1n9_Duk3 recreated the source code of Commander Keen 4, 5 and 6, based on the already released source code of Catacomb 3-D, Wolfenstein 3-D and Keen Dreams. When compiled with the Borland C++ v3.0 compiler, compressing the newly created executables with LZEXE 100% identical copies of the original v1.4 executables are ...