DLMF:18.18.E33 (Q5823): Difference between revisions

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Changed an Item: Add constraint
Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: Q11744 / rank
 
Normal rank
Property / Symbols used: Q11744 / qualifier
 
Defining formula:

{\displaystyle{\displaystyle\ell}}

\ell
Property / Symbols used: Q11744 / qualifier
 
xml-id: C18.S1.XMD4.m1tdec

Revision as of 01:27, 2 January 2020

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DLMF:18.18.E33
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    Statements

    2 = 0 n T 2 + 1 ( x ) = U 2 n + 1 ( x ) . 2 superscript subscript 0 𝑛 Chebyshev-polynomial-first-kind-T 2 1 𝑥 Chebyshev-polynomial-second-kind-U 2 𝑛 1 𝑥 {\displaystyle{\displaystyle 2\sum_{\ell=0}^{n}T_{2\ell+1}\left(x\right)=U_{2n% +1}\left(x\right).}}
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    DLMF:18.18.E33
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    T n ( x ) Chebyshev-polynomial-first-kind-T 𝑛 𝑥 {\displaystyle{\displaystyle T_{\NVar{n}}\left(\NVar{x}\right)}}
    C18.S3.T1.t1.r4.m2acdec
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    U n ( x ) Chebyshev-polynomial-second-kind-U 𝑛 𝑥 {\displaystyle{\displaystyle U_{\NVar{n}}\left(\NVar{x}\right)}}
    C18.S3.T1.t1.r5.m2abdec
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    {\displaystyle{\displaystyle\ell}}
    C18.S1.XMD4.m1tdec
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