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  2. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    3 Control-G is an artifact of the days when teletypes were in use. Important messages could be signalled by striking the bell on the teletype. This was carried over on PCs by generating a buzz sound. 4 Line feed is used for "end of line" in text files on Unix / Linux systems.

  3. Mathematical operators and symbols in Unicode - Wikipedia

    en.wikipedia.org/wiki/Mathematical_operators_and...

    𝟑 𝟒 𝟓 𝟔 𝟕 𝟖 𝟗 𝟘 𝟙 𝟚 𝟛 𝟜 𝟝 𝟞 𝟟 U+1D7Ex 𝟠 𝟡 𝟢 𝟣 𝟤 𝟥 𝟦 𝟧 𝟨 𝟩 𝟪 𝟫 𝟬 𝟭 𝟮 𝟯 U+1D7Fx 𝟰 𝟱 𝟲 𝟳 𝟴 𝟵 𝟶 𝟷 𝟸 𝟹 𝟺 𝟻 𝟼 𝟽 𝟾 𝟿 Notes 1. ^ As of Unicode version 16.0 2. ^ Grey areas indicate non-assigned code points

  4. Move-to-front transform - Wikipedia

    en.wikipedia.org/wiki/Move-to-front_transform

    By convention, the list is initially (abcdefghijklmnopqrstuvwxyz). The first letter in the sequence is b, which appears at index 1 (the list is indexed from 0 to 25). We put a 1 to the output stream: 1 The b moves to the front of the list, producing (bacdefghijklmnopqrstuvwxyz). The next letter is a, which now appears at index 1.

  5. Category of preordered sets - Wikipedia

    en.wikipedia.org/wiki/Category_of_preordered_sets

    While Ord is a category with different properties, the category of preordered groups, denoted OrdGrp, presents a more complex picture, nonetheless both imply preordered connections. [ 1 ] The monomorphisms in Ord are the injective order-preserving functions.

  6. Inverse function - Wikipedia

    en.wikipedia.org/wiki/Inverse_function

    Sometimes, this multivalued inverse is called the full inverse of f, and the portions (such as √ x and − √ x) are called branches. The most important branch of a multivalued function (e.g. the positive square root) is called the principal branch , and its value at y is called the principal value of f −1 ( y ) .

  7. Fast Walsh–Hadamard transform - Wikipedia

    en.wikipedia.org/wiki/Fast_Walsh–Hadamard...

    Python example code [ edit ] import math def fwht ( a ) -> None : """In-place Fast Walsh–Hadamard Transform of array a.""" assert math . log2 ( len ( a )) . is_integer (), "length of a is a power of 2" h = 1 while h < len ( a ): # perform FWHT for i in range ( 0 , len ( a ), h * 2 ): for j in range ( i , i + h ): x = a [ j ] y = a [ j + h ] a ...

  8. 3 Cracker Barrel Employees Fired After Refusing to Seat Group ...

    www.aol.com/lifestyle/3-cracker-barrel-employees...

    The alleged incident occurred on Tuesday, Dec. 3, while 11 students and seven staff members visited the Cracker Barrel in Waldorf, according to a Dec. 5 statement from Superintendent of Charles ...

  9. Order (group theory) - Wikipedia

    en.wikipedia.org/wiki/Order_(group_theory)

    For example, in the symmetric group shown above, where ord(S 3) = 6, the possible orders of the elements are 1, 2, 3 or 6. The following partial converse is true for finite groups : if d divides the order of a group G and d is a prime number , then there exists an element of order d in G (this is sometimes called Cauchy's theorem ).