DLMF:19.4.E5 (Q6125): Difference between revisions

From DRMF
Jump to navigation Jump to search
Changed an Item: Add constraint
Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: Legendre’s incomplete elliptic integral of the first kind / rank
 
Normal rank
Property / Symbols used: Legendre’s incomplete elliptic integral of the first kind / qualifier
 
Defining formula:

F ( ϕ , k ) elliptic-integral-first-kind-F italic-ϕ 𝑘 {\displaystyle{\displaystyle F\left(\NVar{\phi},\NVar{k}\right)}}

\incellintFk@{\NVar{\phi}}{\NVar{k}}
Property / Symbols used: Legendre’s incomplete elliptic integral of the first kind / qualifier
 
xml-id: C19.S2.E4.m2adec

Revision as of 13:37, 2 January 2020

No description defined
Language Label Description Also known as
English
DLMF:19.4.E5
No description defined

    Statements

    F ( ϕ , k ) k = E ( ϕ , k ) - k 2 F ( ϕ , k ) k k 2 - k sin ϕ cos ϕ k 2 1 - k 2 sin 2 ϕ , partial-derivative elliptic-integral-first-kind-F italic-ϕ 𝑘 𝑘 elliptic-integral-second-kind-E italic-ϕ 𝑘 superscript superscript 𝑘 2 elliptic-integral-first-kind-F italic-ϕ 𝑘 𝑘 superscript superscript 𝑘 2 𝑘 italic-ϕ italic-ϕ superscript superscript 𝑘 2 1 superscript 𝑘 2 2 italic-ϕ {\displaystyle{\displaystyle\frac{\partial F\left(\phi,k\right)}{\partial k}={% \frac{E\left(\phi,k\right)-{k^{\prime}}^{2}F\left(\phi,k\right)}{k{k^{\prime}}% ^{2}}-\frac{k\sin\phi\cos\phi}{{k^{\prime}}^{2}\sqrt{1-k^{2}{\sin^{2}}\phi}}},}}
    0 references
    DLMF:19.4.E5
    0 references
    cos z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    C4.S14.E2.m2adec
    0 references
    F ( ϕ , k ) elliptic-integral-first-kind-F italic-ϕ 𝑘 {\displaystyle{\displaystyle F\left(\NVar{\phi},\NVar{k}\right)}}
    C19.S2.E4.m2adec
    0 references