DLMF:26.14.E1 (Q7952)

From DRMF
Revision as of 14:07, 2 January 2020 by Admin (talk | contribs) (‎Changed an Item: Add constraint)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
No description defined
Language Label Description Also known as
English
DLMF:26.14.E1
No description defined

    Statements

    Defining formula
    inv ( σ ) = ∑ 1 ≤ j < k ≤ n σ ⁢ ( j ) > σ ⁢ ( k ) 1 . inv 𝜎 subscript 1 𝑗 𝑘 𝑛 𝜎 𝑗 𝜎 𝑘 1 {\displaystyle{\displaystyle\mathop{\mathrm{inv}}(\sigma)=\sum_{% \begin{subarray}{c}1\leq j<k\leq n\\ \sigma(j)>\sigma(k)\end{subarray}}1.}}
    0 references
    DLMF id
    DLMF:26.14.E1
    0 references
    comment
    Warning: Falling back to standard tex;
    0 references
    Symbols used
    Q12176
    Defining formula
    j 𝑗 {\displaystyle{\displaystyle j}}
    xml-id
    C26.S1.XMD3.m1dec
    0 references
    Q12174
    Defining formula
    k 𝑘 {\displaystyle{\displaystyle k}}
    xml-id
    C26.S1.XMD4.m1dec
    0 references
    Q12172
    Defining formula
    n 𝑛 {\displaystyle{\displaystyle n}}
    xml-id
    C26.S1.XMD6.m1dec
    0 references
    Q12214
    Defining formula
    σ 𝜎 {\displaystyle{\displaystyle\sigma}}
    xml-id
    C26.S14.XMD1.m1dec
    0 references
     
        Retrieved from "https://drmf-beta.wmflabs.org/index.php?title=Item:Q7952&oldid=43746"