DLMF:6.5.E6 (Q2246): Difference between revisions

From DRMF
Jump to navigation Jump to search
Newer edit →
‎Created a new Item: Wikidata Toolkit example test item creation
(No difference)

Revision as of 13:16, 29 December 2019

No description defined
Language Label Description Also known as
English
DLMF:6.5.E6
No description defined

    Statements

    Defining formula
    Ci ⁡ ( z ) = - 1 2 ⁢ ( E 1 ⁡ ( i ⁢ z ) + E 1 ⁡ ( - i ⁢ z ) ) , cosine-integral 𝑧 1 2 exponential-integral 𝑖 𝑧 exponential-integral 𝑖 𝑧 {\displaystyle{\displaystyle\mathrm{Ci}\left(z\right)=-\tfrac{1}{2}(E_{1}\left% (iz\right)+E_{1}\left(-iz\right)),}}
    0 references
    DLMF id
    DLMF:6.5.E6
    0 references
     
        Retrieved from "https://drmf-beta.wmflabs.org/index.php?title=Item:Q2246&oldid=8246"