DLMF:26.8.E39 (Q7867): Difference between revisions

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Changed an Item: Add constraint
Changed an Item: Add constraint
 
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Property / Symbols used
 
Property / Symbols used: Q12174 / rank
 
Normal rank
Property / Symbols used: Q12174 / qualifier
 
Defining formula:

k 𝑘 {\displaystyle{\displaystyle k}}

k
Property / Symbols used: Q12174 / qualifier
 
xml-id: C26.S1.XMD4.m1afdec
Property / Symbols used
 
Property / Symbols used: Q12172 / rank
 
Normal rank
Property / Symbols used: Q12172 / qualifier
 
Defining formula:

n 𝑛 {\displaystyle{\displaystyle n}}

n
Property / Symbols used: Q12172 / qualifier
 
xml-id: C26.S1.XMD6.m1akdec

Latest revision as of 13:57, 2 January 2020

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DLMF:26.8.E39
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    Statements

    j = k n s ( j , k ) S ( n , j ) = j = k n s ( n , j ) S ( j , k ) = δ n , k . superscript subscript 𝑗 𝑘 𝑛 Stirling-number-first-kind-S 𝑗 𝑘 Stirling-number-second-kind-S 𝑛 𝑗 superscript subscript 𝑗 𝑘 𝑛 Stirling-number-first-kind-S 𝑛 𝑗 Stirling-number-second-kind-S 𝑗 𝑘 Kronecker 𝑛 𝑘 {\displaystyle{\displaystyle\sum_{j=k}^{n}s\left(j,k\right)S\left(n,j\right)=% \sum_{j=k}^{n}s\left(n,j\right)S\left(j,k\right)=\delta_{n,k}.}}
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    DLMF:26.8.E39
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    δ j , k Kronecker 𝑗 𝑘 {\displaystyle{\displaystyle\delta_{\NVar{j},\NVar{k}}}}
    introduction.Sx4.p1.t1.r4.m5aadec
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    s ( n , k ) Stirling-number-first-kind-S 𝑛 𝑘 {\displaystyle{\displaystyle s\left(\NVar{n},\NVar{k}\right)}}
    C26.S8.SS1.p1.m5atdec
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    S ( n , k ) Stirling-number-second-kind-S 𝑛 𝑘 {\displaystyle{\displaystyle S\left(\NVar{n},\NVar{k}\right)}}
    C26.S8.SS1.p3.m2audec
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    j 𝑗 {\displaystyle{\displaystyle j}}
    C26.S1.XMD3.m1mdec
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    k 𝑘 {\displaystyle{\displaystyle k}}
    C26.S1.XMD4.m1afdec
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    n 𝑛 {\displaystyle{\displaystyle n}}
    C26.S1.XMD6.m1akdec
    0 references