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Formula:6522

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Digital Library of Mathematical Functions ID 18.18.E35

2 ⁢ ( 1 - x 2 ) ⁢ ∑ ℓ = 0 n U 2 ⁢ ℓ + 1 ⁡ ( x ) = x - T 2 ⁢ n + 3 ⁡ ( x ) . 2 1 superscript 𝑥 2 superscript subscript ℓ 0 𝑛 Chebyshev-polynomial-second-kind-U 2 ℓ 1 𝑥 𝑥 Chebyshev-polynomial-first-kind-T 2 𝑛 3 𝑥 {\displaystyle{\displaystyle 2(1-x^{2})\sum_{\ell=0}^{n}U_{2\ell+1}\left(x% \right)=x-T_{2n+3}\left(x\right).}}


Constraint(s)

Symbols List

  • T n ⁡ ( x ) Chebyshev-polynomial-first-kind-T 𝑛 𝑥 {\displaystyle{\displaystyle T_{\NVar{n}}\left(\NVar{x}\right)}} : Chebyshev polynomial of the first kind
  • U n ⁡ ( x ) Chebyshev-polynomial-second-kind-U 𝑛 𝑥 {\displaystyle{\displaystyle U_{\NVar{n}}\left(\NVar{x}\right)}} : Chebyshev polynomial of the second kind
  • ℓ ℓ {\displaystyle{\displaystyle\ell}} : nonnegative integer
  • n 𝑛 {\displaystyle{\displaystyle n}} : nonnegative integer
  • x 𝑥 {\displaystyle{\displaystyle x}} : real variable
  •  Edit this on Wikidata

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This page was last edited on 28 January 2024, at 10:30.
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