DLMF:8.19.E15 (Q2701)

From DRMF
Revision as of 17:12, 30 December 2019 by Admin (talk | contribs) (‎Changed an Item: Add constraint)
Jump to navigation Jump to search
No description defined
Language Label Description Also known as
English
DLMF:8.19.E15
No description defined

    Statements

    Defining formula
    ∂ j ⁡ E p ⁡ ( z ) ∂ ⁡ p j = ( - 1 ) j ⁢ ∫ 1 ∞ ( ln ⁡ t ) j ⁢ t - p ⁢ e - z ⁢ t ⁢ d t , partial-derivative exponential-integral-En 𝑝 𝑧 𝑝 𝑗 superscript 1 𝑗 superscript subscript 1 superscript 𝑡 𝑗 superscript 𝑡 𝑝 superscript 𝑒 𝑧 𝑡 𝑡 {\displaystyle{\displaystyle\frac{{\partial}^{j}E_{p}\left(z\right)}{{\partial p% }^{j}}=(-1)^{j}\int_{1}^{\infty}(\ln t)^{j}t^{-p}e^{-zt}\mathrm{d}t,}}
    0 references
    DLMF id
    DLMF:8.19.E15
    0 references
    constraint
    ℜ ⁡ z > 0 𝑧 0 {\displaystyle{\displaystyle\Re z>0}}
    0 references
     
        Retrieved from "https://drmf-beta.wmflabs.org/index.php?title=Item:Q2701&oldid=18200"