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factorial    
a. 代理店的,阶乘的
n. 阶乘

代理店的,阶乘的阶乘

factorial
阶乘

factorial
阶乘

factorial
adj 1: of or relating to factorials
n 1: the product of all the integers up to and including a given
integer; "1, 2, 6, 24, and 120 are factorials"

Factorial \Fac*to"ri*al\, a.
1. Of or pertaining to a factory. --Buchanan.
[1913 Webster]

2. (Math.) Related to factorials.
[1913 Webster]


Factorial \Fac*to"ri*al\, n. (Math.)
(a) pl. A name given to the factors of a continued product
when the former are derivable from one and the same
function F(x) by successively imparting a constant
increment or decrement h to the independent variable.
Thus the product F(x).F(x h).F(x 2h) . . . F[x
(n-1)h] is called a factorial term, and its several
factors take the name of factorials. --Brande & C.
(b) The product of the consecutive whole numbers from
unity up to any given number; thus, 5 factorial is the
product of 5 times four times three times two times
one, or 120.
[1913 Webster PJC]

The mathematical {function} that takes a
{natural number}, N, and returns the product of N and all
smaller positive integers. This is written

N! = N * (N-1) * (N-2) * ... * 1.

The factorial of zero is one because it is an {empty
product}.

Factorial can be defined {recursively} as

0! = 1
N! = N * (N-1)! , N > 0

The {gamma function} is the equivalent for {real numbers}.

(2005-01-07)

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  • Factorial - Wikipedia
    The factorial operation is encountered in many areas of mathematics, notably in combinatorics, where its most basic use counts the possible distinct sequences – the permutations – of n
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  • Factorial Calculator n!
    Find the factorial n! of a number, including 0, up to 6 digits long n! factorial calculator and examples Free online factorial calculator
  • Factorial in Maths - GeeksforGeeks
    The factorial of a number is the product of all positive integers from that number down to 1 It plays a key role in many mathematical concepts, such as permutations, combinations, probability, and more
  • Factorial | Definition, Symbol, Facts | Britannica
    Factorial, in mathematics, the product of all positive integers less than or equal to a given positive integer and denoted by that integer and an exclamation point
  • Factorial - Simple English Wikipedia, the free encyclopedia
    Factorials can tell us how many possible ways there are to arrange objects [2][3] For example, if we have three letters (A, B, and C), we can list them as follows: ABC, ACB, BAC, BCA, CAB, and CBA This is the manual way of solving the problem It shows that there are six ways to arrange three different objects--in this case, letters
  • Factorial | La IA para empresas
    Factorial es la IA para empresas que conecta RRHH, finanzas e IT en un único sistema que entiende tu negocio y automatiza tareas





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