DLMF:1.17.E23 (Q682): Difference between revisions

From DRMF
Jump to navigation Jump to search
Created a new Item: Wikidata Toolkit example test item creation
 
Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: Q10915 / rank
 
Normal rank
Property / Symbols used: Q10915 / qualifier
 
Defining formula:

δ ( x - a ) Dirac-delta 𝑥 𝑎 {\displaystyle{\displaystyle\delta\left(\NVar{x-a}\right)}}

\Diracdelta@{\NVar{x-a}}
Property / Symbols used: Q10915 / qualifier
 
xml-id: C1.S17.SS1.p1.m2ajdec

Revision as of 16:46, 1 January 2020

No description defined
Language Label Description Also known as
English
DLMF:1.17.E23
No description defined

    Statements

    δ ( x - a ) = e - ( x + a ) / 2 k = 0 L k ( x ) L k ( a ) . Dirac-delta 𝑥 𝑎 superscript 𝑒 𝑥 𝑎 2 superscript subscript 𝑘 0 shorthand-Laguerre-polynomial-L 𝑘 𝑥 shorthand-Laguerre-polynomial-L 𝑘 𝑎 {\displaystyle{\displaystyle\delta\left(x-a\right)=e^{-(x+a)/2}\sum_{k=0}^{% \infty}L_{k}\left(x\right)L_{k}\left(a\right).}}
    0 references
    DLMF:1.17.E23
    0 references
    δ ( x - a ) Dirac-delta 𝑥 𝑎 {\displaystyle{\displaystyle\delta\left(\NVar{x-a}\right)}}
    C1.S17.SS1.p1.m2ajdec
    0 references