Encyclopedia results for User-defined function

1. User-defined function
   A User Defined Function , or UDF , is a function programming function provided by the user of a program ... created, a user defined function may be used as expression programming expressions in SQL statements ..
   
   
   
2. User Defined Field
   . Users can add their own user defined fields to tables in the database. For example, users can add fields for country codes or national insurance numbers. User defined fields are particularly ..
   
   
   
3. Function
   wiktionarypar function Function may refer to Function biology , explaining why a feature was created Function mathematics , an abstract entity that associates an input to a corresponding output according ..
   
   
   
4. T-function
   Image VEST Core4 LowLevel.png thumbnail 320px right VEST 4 T function followed by a transposition layer In cryptography , a T function is a bijection bijective mapping that updates every bit of the state ..
   
   
   
5. Strict function
   non strict . A strict programming language is one in which user defined functions are always ...A strict function in the denotational semantics of programming language s is a function mathematics function ..
   
   
   
6. Sigma function
   In mathematics, by sigma function one can mean one of the following The Divisor function sum of divisors function Ï? sub a sub n , an arithmetic function . Weierstrass sigma function , related to elliptic ..
   
   
   
7. Kernel (function)
   The phrase Kernel function may refer to a kernel function , i.e., the kernel of an integral operator for that topic see kernel mathematics , or the kernel of a function . disambig ..
   
   
   
8. Psi function
   Psi function can refer to either Dedekind psi function Digamma function mathdab Long comment to avoid being listed on short pages ..
   
   
   
9. Potential function
   The term potential function may refer to A mathematical function mathematics function whose values are a physical potential . The class of functions known as harmonic function s, which are the topic of study ..
   
   
   
10. Dedekind function
    In number theory , Dedekind function can refer to any of three functions, all introduced by Richard Dedekind Dedekind eta function Dedekind psi function Dedekind zeta function disambig ..
    
    
    
11. Zeta function
    A zeta function is a function which is composed of an infinite sum of powers, that is, which may be written ... functions with the name zeta function, named after the Greek alphabet Greek letter zeta letter ..
    
    
    
12. Partition function
    Partition function may refer to Partition function number theory Partition function mathematics , which generalizes its use in statistical mechanics and quantum field theory Partition function statistical ..
    
    
    
13. Unary function
    A unary function is a function mathematics function that takes one Parameter computer science argument . In computer science , unary operator is a subset of unary function. See also Binary function , Binary ..
    
    
    
14. Green function
    Green function might refer to Green s function of a differential operator. Deligne Lusztig theory Green function in the representation theory of finite groups of Lie type. Green s function many body theory ..
    
    
    
15. Tau function
    Tau function may refer to Tau function Ramanujan tau function , giving the Fourier coefficients of the Ramanujan modular form. Divisor function , an arithmetic function giving the number of divisors of an integer ..
    
    
    
16. Recursive function
    Î recursive function , defined from a particular formal model of computable functions using ...Recursive function may refer to A recursion computer science recursive function a procedure or subroutine ..
    
    
    
17. Eta function
    There are two distinct functions called eta function in number theory The Dirichlet eta function The Dedekind eta function Category Mathematical disambiguation Category Number theory disambig ja ã ã? ã ..
    
    
    
18. Hypergeometric function
    In mathematics , a hypergeometric function can be Hypergeometric series in the scalar univariate case and is the most common use for the term hypergeometric function Hypergeometric function of a matrix ..
    
    
    
19. Function field
    For function field in algebraic geometry , see Function field of an algebraic variety Function field scheme theory A particular class is included under global field . Category Mathematical disambiguation ..
    
    
    
20. Z function
    , the Hardy Z function and the Hardy zeta function. It can be defined in terms of the Riemann ...In mathematics , the Z function is a function mathematics function used for studying the Riemann zeta ..
    
    
    
21. Pi function
    In mathematics , two different function mathematics functions are known as the pi or Pi function math pi x , math pi function &ndash the prime counting function math Pi x , math Pi function &ndash the Gamma ..
    
    
    
22. R-function
    A mathematical function is called an R function if its sign can change if and only if the sign of one of its arguments changes. Typically, the function itself as well as its arguments are real valued. Interpreting ..
    
    
    
23. Weber function
    In mathematics, Weber function can refer to several different families of functions, mostly named after the physicist H. F. Weber . Weber s modular function named after the mathematician H. M. Weber . Weber ..
    
    
    
24. Hann function
    Image Window function hann .png thumb right Hann function left B 1.50 The Hann function , named after ... mass function given by math w n 0.5 left 1 cos left frac 2 pi n N 1 right right math Name Hann ..
    
    
    
25. Constant function
    morphism in category theory . In contexts where it is defined, the derivative of a function ... a constant function does not vary, its derivative, where defined, will be zero. Thus for example ..