mathematics, elementary functions are those functions that are most commonly encountered by beginners. They are typically real functions of a single real...
12 KB (1,482 words) - 21:06, 2 August 2025
class of elementary recursive functions ("Kalmár elementary functions") as a subset of the primitive recursive functions — specifically, those that can...
9 KB (1,511 words) - 19:28, 3 August 2025
branch of mathematical logic, elementary function arithmetic (EFA), also called elementary arithmetic and exponential function arithmetic, is the system of...
7 KB (875 words) - 20:48, 17 February 2025
most functions that are encountered in elementary courses of mathematics are elementary in this sense, some elementary functions are not elementary for...
76 KB (11,410 words) - 20:15, 22 May 2025
{\displaystyle {\mathsf {ELEMENTARY}}} consists of the decision problems that can be solved in time bounded by an elementary recursive function. Equivalently, these...
4 KB (605 words) - 17:13, 31 July 2025
Closed-form expression (redirect from Closed-form function)
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...
5 KB (602 words) - 23:24, 15 July 2025
terms of elementary (Liouvillian) functions, the first published proof did not appear until 2008. There are countably many branches of the W function, denoted...
78 KB (12,638 words) - 07:16, 2 August 2025
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...
10 KB (1,421 words) - 16:19, 10 May 2025
Exponential integral (redirect from Well function)
}^{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...
23 KB (3,488 words) - 19:31, 21 July 2025
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...
8 KB (962 words) - 11:47, 12 April 2025
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...
90 KB (13,545 words) - 04:27, 29 July 2025
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...
16 KB (1,886 words) - 17:15, 27 July 2025
Tetration (redirect from Super-exponential function)
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,...
13 KB (1,464 words) - 19:44, 17 March 2025
Antiderivative (redirect from Primitive function)
many elementary functions whose antiderivatives, even though they exist, cannot be expressed in terms of elementary functions. Elementary functions are...
21 KB (3,366 words) - 08:38, 4 July 2025
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...
9 KB (1,051 words) - 23:22, 5 March 2025
Polylogarithm (redirect from De Jonquière's function)
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
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
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...
11 KB (1,992 words) - 05:56, 3 June 2025
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...
17 KB (1,941 words) - 14:49, 16 July 2025
Liouvillian functions comprise a set of functions including the elementary functions and their repeated integrals. Liouvillian functions can be recursively...
4 KB (405 words) - 22:32, 25 November 2022
Gaussian integral (redirect from Integration of the normal density function)
statistical mechanics, to find its partition function. Although no elementary function exists for the error function, as can be proven by the Risch algorithm...
21 KB (4,365 words) - 06:30, 29 May 2025
Rounding (redirect from Nearest integer function)
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