• In mathematics, discrete Chebyshev polynomials, or Gram polynomials, are a type of discrete orthogonal polynomials used in approximation theory, introduced...
    7 KB (1,207 words) - 01:28, 13 December 2023
  • Thumbnail for Chebyshev polynomials
    The Chebyshev polynomials are two sequences of polynomials related to the cosine and sine functions, notated as T n ( x ) {\displaystyle T_{n}(x)} and...
    61 KB (11,470 words) - 21:33, 11 November 2024
  • include the discrete Chebyshev polynomials, Charlier polynomials, Krawtchouk polynomials, Meixner polynomials, dual Hahn polynomials, Hahn polynomials, and Racah...
    2 KB (278 words) - 16:07, 26 June 2024
  • Gegenbauer polynomials form the most important class of Jacobi polynomials; they include the Chebyshev polynomials, and the Legendre polynomials as special...
    14 KB (2,060 words) - 20:40, 25 October 2024
  • of Chebyshev nodes and coefficients of a function in Chebyshev polynomial basis. Like the Chebyshev polynomials, it is named after Pafnuty Chebyshev. The...
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  • Thumbnail for Approximation theory
    a polynomial of degree N. One can obtain polynomials very close to the optimal one by expanding the given function in terms of Chebyshev polynomials and...
    16 KB (2,293 words) - 05:01, 8 January 2025
  • Hermite polynomials were defined by Pierre-Simon Laplace in 1810, though in scarcely recognizable form, and studied in detail by Pafnuty Chebyshev in 1859...
    57 KB (10,190 words) - 20:21, 6 January 2025
  • form" Chebyshev norm Discrete Chebyshev polynomials Discrete Chebyshev transform Chebyshev rational functions Chebyshev–Gauss quadrature Chebyshev–Markov–Stieltjes...
    2 KB (127 words) - 03:18, 28 July 2023
  • named after Pafnuty Chebyshev because its mathematical characteristics are derived from Chebyshev polynomials. Type I Chebyshev filters are usually referred...
    67 KB (12,074 words) - 01:45, 29 October 2024
  • Hahn polynomials are a family of orthogonal polynomials in the Askey scheme of hypergeometric orthogonal polynomials, introduced by Pafnuty Chebyshev in...
    4 KB (609 words) - 15:27, 25 March 2023
  • multiple dimensions Discrete Chebyshev polynomialspolynomials orthogonal with respect to a discrete measure Favard's theorem — polynomials satisfying suitable...
    70 KB (8,336 words) - 05:14, 24 June 2024
  • Chebyshev polynomials, and fast DCT algorithms (below) are used in Chebyshev approximation of arbitrary functions by series of Chebyshev polynomials,...
    101 KB (11,983 words) - 22:22, 19 December 2024
  • terms of Chebyshev polynomials. Equivalently, they employ a change of variables x = cos ⁡ θ {\displaystyle x=\cos \theta } and use a discrete cosine transform...
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  • Thumbnail for Bernstein polynomial
    4}\delta ^{-2}n^{-1}.} (Chebyshev's inequality) It follows that the polynomials fn tend to f uniformly. Bernstein polynomials can be generalized to k...
    25 KB (4,464 words) - 16:14, 14 September 2024
  • Thumbnail for Butterworth filter
    {\displaystyle s_{n}} . The polynomials are normalized by setting ω c = 1 {\displaystyle \omega _{c}=1} . The normalized Butterworth polynomials then have the general...
    29 KB (4,136 words) - 10:16, 31 December 2024
  • wavelets are examples of orthogonal functions with discrete ranges. Legendre and Chebyshev polynomials provide orthogonal families for the interval [−1...
    6 KB (771 words) - 05:51, 24 December 2024
  • derived at the Chebyshev Gauss–Lobatto collocation points by using the discrete orthogonal relationship of the Chebyshev polynomials. Then, using two...
    3 KB (415 words) - 17:58, 26 October 2021
  • mathematics, the dual Hahn polynomials are a family of orthogonal polynomials in the Askey scheme of hypergeometric orthogonal polynomials. They are defined on...
    4 KB (801 words) - 03:25, 15 February 2023
  • non-uniform discrete Fourier transform (NUDFT or NDFT) of a signal is a type of Fourier transform, related to a discrete Fourier transform or discrete-time Fourier...
    14 KB (2,447 words) - 18:32, 29 August 2024
  • between Shabat polynomials and Chebyshev polynomials, Shabat polynomials themselves are sometimes called generalized Chebyshev polynomials. Different trees...
    30 KB (4,171 words) - 20:41, 13 July 2024
  • Thumbnail for Window function
    parameter α sets the Chebyshev norm of the sidelobes to −20α decibels. The window function can be calculated from W0(k) by an inverse discrete Fourier transform...
    73 KB (8,656 words) - 05:49, 23 November 2024
  • Thumbnail for Fast Fourier transform
    fast algorithms for discrete cosine or sine transforms (e.g. fast DCT used for JPEG and MPEG/MP3 encoding and decoding), fast Chebyshev approximation, solving...
    65 KB (7,677 words) - 22:34, 20 December 2024
  • than fixed in advance. Discrete Chebyshev transforms (on the 'roots' grid and the 'extrema' grid of the Chebyshev polynomials of the first kind). This...
    7 KB (1,002 words) - 21:40, 16 December 2024
  • Thumbnail for Uniform norm
    Uniform norm (redirect from Chebyshev norm)
    |f(s)|:s\in S\,\right\}.} This norm is also called the supremum norm, the Chebyshev norm, the infinity norm, or, when the supremum is in fact the maximum...
    8 KB (1,263 words) - 06:57, 27 December 2024
  • Thumbnail for Interpolation
    Chebyshev polynomials. Linear interpolation uses a linear function for each of intervals [xk,xk+1]. Spline interpolation uses low-degree polynomials in...
    22 KB (2,926 words) - 04:45, 12 December 2024
  • Thumbnail for Cubic equation
    polynomials in r1, r2, r3, and a. The proof then results in the verification of the equality of two polynomials. If the coefficients of a polynomial are...
    68 KB (10,302 words) - 08:30, 29 December 2024
  • Thumbnail for Digital filter
    (LCCD) via the Z-transform. The discrete frequency-domain transfer function is written as the ratio of two polynomials. For example: H ( z ) = ( z + 1...
    25 KB (3,638 words) - 03:42, 21 November 2024
  • discrete Chebyshev polynomial, and the corresponding eigenvalue, P ℓ ( cos ⁡ β ) {\displaystyle P_{\ell }(\cos \beta )} , is the Legendre polynomial....
    21 KB (4,699 words) - 21:23, 26 September 2024
  • given order Chebyshev filter (Type I) – maximally flat in stopband, sharper cutoff than a Butterworth filter of the same order Chebyshev filter (Type...
    15 KB (2,497 words) - 15:49, 28 October 2024
  • Remez algorithm (category Polynomials)
    Chebyshev space is the subspace of Chebyshev polynomials of order n in the space of real continuous functions on an interval, C[a, b]. The polynomial...
    14 KB (2,641 words) - 18:56, 16 July 2024