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  2. Taylor series - Wikipedia

    en.wikipedia.org/wiki/Taylor_series

    The polynomials, exponential function e x, and the trigonometric functions sine and cosine, are examples of entire functions. Examples of functions that are not entire include the square root, the logarithm, the trigonometric function tangent, and its inverse, arctan. For these functions the Taylor series do not converge if x is far from b.

  3. 7.1 surround sound - Wikipedia

    en.wikipedia.org/wiki/7.1_surround_sound

    Label for 7.1 extended surround sound. 7.1 surround sound is the common name for an eight-channel surround audio system commonly used in home theatre configurations. It adds two additional speakers to the more conventional six-channel audio configuration.

  4. Generating function - Wikipedia

    en.wikipedia.org/wiki/Generating_function

    Similar asymptotic analysis is possible for exponential generating functions; with an exponential generating function, it is ⁠ a n / n! ⁠ that grows according to these asymptotic formulae. Generally, if the generating function of one sequence minus the generating function of a second sequence has a radius of convergence that is larger than ...

  5. Exponentiation - Wikipedia

    en.wikipedia.org/wiki/Exponentiation

    In mathematics, exponentiation, denoted b n, is an operation involving two numbers: the base, b, and the exponent or power, n. [1] When n is a positive integer, exponentiation corresponds to repeated multiplication of the base: that is, b n is the product of multiplying n bases: [1] = ⏟.

  6. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    Arithmetic operations are ways of combining, transforming, or manipulating numbers. They are functions that have numbers both as input and output. [37] The most important operations in arithmetic are addition, subtraction, multiplication, and division. [38] Further operations include exponentiation, extraction of roots, and logarithm. [39]

  7. Exponential family - Wikipedia

    en.wikipedia.org/wiki/Exponential_family

    In probability and statistics, an exponential family is a parametric set of probability distributions of a certain form, specified below. This special form is chosen for mathematical convenience, including the enabling of the user to calculate expectations, covariances using differentiation based on some useful algebraic properties, as well as for generality, as exponential families are in a ...

  8. Function (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Function_(mathematics)

    In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. [1] The set X is called the domain of the function [2] and the set Y is called the codomain of the function. [3] Functions were originally the idealization of how a varying quantity depends on another quantity.

  9. Algebraic geometry - Wikipedia

    en.wikipedia.org/wiki/Algebraic_geometry

    Since regular functions on V come from regular functions on A n, there is a relationship between the coordinate rings. Specifically, if a regular function on V is the restriction of two functions f and g in k[A n], then f − g is a polynomial function which is null on V and thus belongs to I(V). Thus k[V] may be identified with k[A n]/I(V).