• mathematics, elementary functions are those functions that are most commonly encountered by beginners. They are typically real functions of a single real...
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  • class of elementary recursive functions ("Kalmár elementary functions") as a subset of the primitive recursive functions — specifically, those that can...
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  • branch of mathematical logic, elementary function arithmetic (EFA), also called elementary arithmetic and exponential function arithmetic, is the system of...
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  • most functions that are encountered in elementary courses of mathematics are elementary in this sense, some elementary functions are not elementary for...
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  • {\displaystyle {\mathsf {ELEMENTARY}}} consists of the decision problems that can be solved in time bounded by an elementary recursive function. Equivalently, these...
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  • basic functions, the functions that have a closed form are called elementary functions. The closed-form problem arises when new ways are introduced for...
    15 KB (1,768 words) - 19:07, 26 July 2025
  • antiderivative of a given elementary function is an antiderivative (or indefinite integral) that is, itself, not an elementary function. A theorem by Liouville...
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  • Thumbnail for Lambert W function
    terms of elementary (Liouvillian) functions, the first published proof did not appear until 2008. There are countably many branches of the W function, denoted...
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  • types of functions Elementary functions are functions built from basic operations (e.g. addition, exponentials, logarithms...) Algebraic functions are functions...
    10 KB (1,065 words) - 21:42, 29 July 2025
  • expressed as elementary functions. The antiderivatives of certain elementary functions cannot themselves be expressed as elementary functions. These are...
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  • Thumbnail for Exponential integral
    }^{x}{\frac {e^{t}}{t}}\,dt.} The Risch algorithm shows that Ei is not an elementary function. The definition above can be used for positive values of x, but the...
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  • Thumbnail for Domain of a function
    In mathematics, the domain of a function is the set of inputs accepted by the function. It is sometimes denoted by dom ⁡ ( f ) {\displaystyle \operatorname...
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  • Thumbnail for Gamma function
    when x is a positive integer, and no elementary function has this property, but a good solution is the gamma function ⁠ f ( x ) = Γ ( x + 1 ) {\displaystyle...
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  • Computable functions are the basic objects of study in computability theory. Informally, a function is computable if there is an algorithm that computes...
    24 KB (3,362 words) - 23:24, 22 May 2025
  • procedure, because it is a method for deciding whether a function has an elementary function as an indefinite integral, and if it does, for determining...
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  • Thumbnail for Tetration
    one; however, unlike the operations before it, tetration is not an elementary function. The parameter a {\displaystyle a} is referred to as the base, while...
    52 KB (6,659 words) - 16:05, 4 July 2025
  • Arity (redirect from 0-ary function)
    science, arity (/ˈærɪti/ ) is the number of arguments or operands taken by a function, operation or relation. In mathematics, arity may also be called rank,...
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  • Thumbnail for Antiderivative
    many elementary functions whose antiderivatives, even though they exist, cannot be expressed in terms of elementary functions. Elementary functions are...
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  • Thumbnail for Codomain
    Codomain (redirect from Function codomain)
    counter-domain, or set of destination of a function is a set into which all of the output of the function is constrained to fall. It is the set Y in the...
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  • Thumbnail for Polylogarithm
    reduce to an elementary function such as the natural logarithm or a rational function. In quantum statistics, the polylogarithm function appears as the...
    60 KB (10,143 words) - 06:23, 7 July 2025
  • Thumbnail for Computational complexity of mathematical operations
    in Borwein & Borwein. The elementary functions are constructed by composing arithmetic operations, the exponential function ( exp {\displaystyle \exp...
    27 KB (1,617 words) - 19:08, 30 July 2025
  • Elementary function Element (disambiguation) Elemental (disambiguation) This disambiguation page lists articles associated with the title Elementary. If an...
    2 KB (182 words) - 15:27, 30 September 2024
  • Thumbnail for Error function
    In mathematics, the error function (also called the Gauss error function), often denoted by erf, is a function e r f : C → C {\displaystyle \mathrm {erf}...
    48 KB (7,358 words) - 08:30, 16 July 2025
  • In mathematics, an injective function (also known as injection, or one-to-one function ) is a function f that maps distinct elements of its domain to...
    17 KB (2,589 words) - 07:48, 3 July 2025
  • one must have either 11 or 12 elements. Elementary function – A kind of mathematical function Elementary function arithmetic – System of arithmetic in proof...
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  • surjective function (also known as surjection, or onto function /ˈɒn.tuː/) is a function f such that, for every element y of the function's codomain, there...
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  • Liouvillian functions comprise a set of functions including the elementary functions and their repeated integrals. Liouvillian functions can be recursively...
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  • Thumbnail for Gaussian integral
    statistical mechanics, to find its partition function. Although no elementary function exists for the error function, as can be proven by the Risch algorithm...
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  • Thumbnail for Rounding
    2005-02-07. mathlib on GitHub. "libultim – ultimate correctly-rounded elementary-function library". Archived from the original on 2021-03-01. "Git - glibc...
    68 KB (8,654 words) - 15:20, 25 July 2025
  • that the concept of elementary functions is merely conventional. If we redefine elementary functions to include the error function, then under this definition...
    12 KB (1,635 words) - 13:32, 9 June 2025