DLMF:26.16.E1 (Q7981): Difference between revisions

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Created a new Item: Wikidata Toolkit example test item creation
 
Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: $$q$$ -binomial coefficient (or Gaussian polynomial) / rank
 
Normal rank
Property / Symbols used: $$q$$ -binomial coefficient (or Gaussian polynomial) / qualifier
 
Defining formula:

[ n m ] q q-binomial 𝑛 𝑚 𝑞 {\displaystyle{\displaystyle\genfrac{[}{]}{0.0pt}{}{\NVar{n}}{\NVar{m}}_{\NVar% {q}}}}

\qbinom{\NVar{n}}{\NVar{m}}{\NVar{q}}
Property / Symbols used: $$q$$ -binomial coefficient (or Gaussian polynomial) / qualifier
 
xml-id: C17.S2.E27.m2adec

Revision as of 14:12, 2 January 2020

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DLMF:26.16.E1
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    Statements

    [ a 1 + a 2 + + a n a 1 , a 2 , , a n ] q = k = 1 n - 1 [ a k + a k + 1 + + a n a k ] q , q-multinomial subscript 𝑎 1 subscript 𝑎 2 subscript 𝑎 𝑛 subscript 𝑎 1 subscript 𝑎 2 subscript 𝑎 𝑛 𝑞 superscript subscript product 𝑘 1 𝑛 1 q-binomial subscript 𝑎 𝑘 subscript 𝑎 𝑘 1 subscript 𝑎 𝑛 subscript 𝑎 𝑘 𝑞 {\displaystyle{\displaystyle\genfrac{[}{]}{0.0pt}{}{a_{1}+a_{2}+\cdots+a_{n}}{% a_{1},a_{2},\ldots,a_{n}}_{q}=\prod_{k=1}^{n-1}\genfrac{[}{]}{0.0pt}{}{a_{k}+a% _{k+1}+\cdots+a_{n}}{a_{k}}_{q},}}
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    DLMF:26.16.E1
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    [ n m ] q q-binomial 𝑛 𝑚 𝑞 {\displaystyle{\displaystyle\genfrac{[}{]}{0.0pt}{}{\NVar{n}}{\NVar{m}}_{\NVar% {q}}}}
    C17.S2.E27.m2adec
    0 references