"Q-팩토리얼"의 두 판 사이의 차이

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<h5 style="line-height: 2em; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;">이 항목의 스프링노트 원문주소</h5>
  
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* [[q-팩토리얼]]<br>
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<h5 style="line-height: 3.428em; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; color: rgb(34, 61, 103); font-family: 'malgun gothic', dotum, gulim, sans-serif; font-size: 1.166em; background-image: ; background-color: initial; background-position: 0px 100%;">개요</h5>
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*  팩토리얼의 q-analogue<br><math>[n]_q!= [1]_q [2]_q \cdots [n-1]_q [n]_q=\frac{1-q}{1-q} \frac{1-q^2}{1-q} \cdots \frac{1-q^{n-1}}{1-q} \frac{1-q^n}{1-q} =\frac{(q;q)_n}{(1-q)^n}=\frac{(1-q)_q^n}{(1-q)^n}</math><br>[[Pochhammer 기호와 캐츠(Kac) 기호]] 참조<br>
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*  극한 <math>q \to 1</math><br><math>(1+q)\cdots (1+q+\cdots + q^{n-2})  (1+q+\cdots + q^{n-1}) \to n!</math><br>
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* [http://math.dongascience.com/ 수학동아]
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* [http://www.ams.org/mathmoments/ Mathematical Moments from the AMS]
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* [http://betterexplained.com/ BetterExplained]

2009년 12월 18일 (금) 17:43 판

이 항목의 스프링노트 원문주소

 

 

개요
  • 팩토리얼의 q-analogue
    \([n]_q!= [1]_q [2]_q \cdots [n-1]_q [n]_q=\frac{1-q}{1-q} \frac{1-q^2}{1-q} \cdots \frac{1-q^{n-1}}{1-q} \frac{1-q^n}{1-q} =\frac{(q;q)_n}{(1-q)^n}=\frac{(1-q)_q^n}{(1-q)^n}\)
    Pochhammer 기호와 캐츠(Kac) 기호 참조
  • 극한 \(q \to 1\)
    \((1+q)\cdots (1+q+\cdots + q^{n-2}) (1+q+\cdots + q^{n-1}) \to n!\)

 

 

재미있는 사실

 

 

 

역사

 

 

메모

 

 

관련된 항목들

 

 

수학용어번역

 

 

사전 형태의 자료

 

 

관련논문

 

관련도서 및 추천도서

 

 

관련기사

 

 

블로그