List questions from chebyshev-polynomials

Published on 22 Mar 2026 - 3:36

248

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(dis)proving $Span((\cos nx)_{n\in\mathbb{N}})=Span((\cos^nx)_{n\in\mathbb{N}})$ in $\mathbb{R}^\mathbb{R}$

Published on 22 Mar 2026 - 6:42

2.8k

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Chebyshev Polynomial Recurrence relation

Published on 22 Mar 2026 - 0:40

1.6k

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Chebyshev's Theorem regarding real polynomials: Why do only the Chebyshev polynomials achieve equality in this inequality?

Published on 21 Mar 2026 - 18:10

583

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Power (monomial) form conversion to Chebyshev form

Published on 22 Mar 2026 - 7:15

1k

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Multiplication of polynomials in Chebyshev basis

Published on 21 Mar 2026 - 21:27

69

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Does this formula holds true for $|x|>1$?

Published on 22 Mar 2026 - 12:51

109

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How do I solve for the zeros of a Chebyshev polynomical? (on a computer)

Published on 22 Mar 2026 - 9:54

149

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Polynomials with specified ranges in intervals

Published on 22 Mar 2026 - 12:20

587

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Change of Interval for Chebyshev–Gauss quadrature

Published on 07 Oct 2019 - 20:36

43

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Given a sequence $n_{i+1} = f(n_i)$ with $f$ a polynomial of degree m. Any way to get the index $i$ of a sequence element $v$?

Published on 23 Mar 2026 - 17:05

471

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Chebyshev approximation - from any equation

Published on 27 Oct 2019 - 0:36

571

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Chebyshev/Taylor polynomial error

Published on 03 Nov 2019 - 14:28

951

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Can the coefficients for the Fourier transform of the Chebyshev polynomials be further simplified?

Published on 10 Nov 2019 - 16:55

179

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Is this integral evaluation legitimate?

Published on 12 Nov 2019 - 1:01

List Question

Multivariate Appoximation

(dis)proving $Span((\cos nx)_{n\in\mathbb{N}})=Span((\cos^nx)_{n\in\mathbb{N}})$ in $\mathbb{R}^\mathbb{R}$

Chebyshev Polynomial Recurrence relation

Chebyshev's Theorem regarding real polynomials: Why do only the Chebyshev polynomials achieve equality in this inequality?

Power (monomial) form conversion to Chebyshev form

Multiplication of polynomials in Chebyshev basis

Does this formula holds true for $|x|>1$?

How do I solve for the zeros of a Chebyshev polynomical? (on a computer)

Polynomials with specified ranges in intervals

Change of Interval for Chebyshev–Gauss quadrature

Given a sequence $n_{i+1} = f(n_i)$ with $f$ a polynomial of degree m. Any way to get the index $i$ of a sequence element $v$?

Chebyshev approximation - from any equation

Chebyshev/Taylor polynomial error

Can the coefficients for the Fourier transform of the Chebyshev polynomials be further simplified?

Is this integral evaluation legitimate?

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