• Thumbnail for Chebyshev nodes
    numerical analysis, Chebyshev nodes (also called Chebyshev points or a Chebyshev grid) are a set of specific algebraic numbers used as nodes for polynomial...
    9 KB (1,408 words) - 04:24, 25 April 2025
  • Thumbnail for Chebyshev polynomials
    1]. The roots of the Chebyshev polynomial of the first kind are sometimes called Chebyshev nodes because they are used as nodes in polynomial interpolation...
    58 KB (10,713 words) - 13:33, 7 April 2025
  • Chebyshev filters are analog or digital filters that have a steeper roll-off than Butterworth filters, and have either passband ripple (type I) or stopband...
    67 KB (12,073 words) - 07:36, 15 May 2025
  • Thumbnail for Runge's phenomenon
    is a table of nodes on which the interpolation process converges. [citation needed] Chebyshev interpolation (i.e., on Chebyshev nodes) converges uniformly...
    14 KB (2,067 words) - 23:22, 16 April 2025
  • of Chebyshev nodes and coefficients of a function in Chebyshev polynomial basis. Like the Chebyshev polynomials, it is named after Pafnuty Chebyshev. The...
    5 KB (964 words) - 19:01, 17 December 2024
  • example simulation after nodes 2 and 4 are eliminated. The nodes of the reduced table are renumbered to 1 and 2. Since the Chebyshev frequency response is...
    19 KB (2,068 words) - 09:52, 28 March 2025
  • {\pi }{n+1}}\sin ^{2}\left({\frac {i}{n+1}}\pi \right).\,} Chebyshev polynomials Chebyshev nodes Abramowitz, M & Stegun, I A, Handbook of Mathematical Functions...
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  • t 1 < … < t p < 1 {\displaystyle -1<t_{1}<\ldots <t_{p}<1} be the Chebyshev nodes of order p ≥ 2 {\displaystyle p\geq 2} and let u 1 ( y ) , … , u p...
    9 KB (1,296 words) - 07:56, 16 April 2025
  • that Chebyshev nodes are a very good choice for polynomial interpolation, as the growth in n is exponential for equidistant nodes. However, those nodes are...
    47 KB (9,027 words) - 21:42, 3 April 2025
  • Chebyshev function in number theory Chebyshev integral Chebyshev iteration Chebyshev method Chebyshev nodes Chebyshev polynomials and the "Chebyshev form"...
    2 KB (127 words) - 03:18, 28 July 2023
  • constants (depending on a set of nodes and of its size) give an idea of how good the interpolant of a function (at the given nodes) is in comparison with the...
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  • Thumbnail for Lagrange polynomial
    equispaced nodes, Lagrange interpolation is susceptible to Runge's phenomenon of large oscillation. Given a set of k + 1 {\textstyle k+1} nodes { x 0 , x...
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  • "quadrature", that are based on an expansion of the integrand in terms of Chebyshev polynomials. Equivalently, they employ a change of variables x = cos ⁡...
    24 KB (4,362 words) - 21:00, 14 April 2025
  • arbitrarily fewer nodes than A* on some non-pathological problems. Optimal efficiency is about the set of nodes expanded, not the number of node expansions (the...
    43 KB (5,536 words) - 03:26, 9 May 2025
  • of nodes can be expressed as Λ ¯ n − Λ _ n ≥ 0. {\displaystyle {\overline {\Lambda }}_{n}-{\underline {\Lambda }}_{n}\geq 0.} For Chebyshev nodes, which...
    15 KB (2,675 words) - 01:38, 7 February 2025
  • weights and nodes, which are accurate to within double-precision machine epsilon for any choice of n ≥ 21. This allows for computation of nodes and weights...
    13 KB (1,616 words) - 11:25, 30 April 2025
  • Linear interpolation Runge's phenomenon Vandermonde matrix Chebyshev polynomials Chebyshev nodes Lebesgue constants Different forms for the interpolant:...
    70 KB (8,335 words) - 20:20, 17 April 2025
  • Thumbnail for Gaussian quadrature
    result for polynomials of degree 2n − 1 or less by a suitable choice of the nodes xi and weights wi for i = 1, ..., n. The modern formulation using orthogonal...
    42 KB (6,792 words) - 02:19, 18 April 2025
  • In PS optimal control, Legendre and Chebyshev polynomials are commonly used. Mathematically, quadrature nodes are able to achieve high accuracy with...
    15 KB (1,510 words) - 03:22, 6 January 2025
  • Thumbnail for Pathfinding
    using Chebyshev distance over Euclidean distance in two-dimensional space.) As the value of the heuristic increases, A* examines fewer nodes but no longer...
    15 KB (1,994 words) - 07:54, 19 April 2025
  • Thumbnail for B-spline
    \end{aligned}}} A piecewise cubic B-spline is formed by a set of nodes and each four consecutive nodes define a cubic piece of the curve with the formulation above...
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  • 2010 Chebyshev, provisional designation 1969 TL4, is a rare-type carbonaceous asteroid from the outer regions of the asteroid belt, approximately 25 kilometers...
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  • scarcely recognizable form, and studied in detail by Pafnuty Chebyshev in 1859. Chebyshev's work was overlooked, and they were named later after Charles...
    67 KB (12,144 words) - 07:49, 5 April 2025
  • Thumbnail for Quasilinearization
    numerical solution instead, for instance by a Chebyshev spectral method using n = 21 {\displaystyle n=21} Chebyshev—Lobatto points x k = cos ⁡ ( π ( n − 1 −...
    9 KB (1,275 words) - 21:56, 19 October 2024
  • polynomials are usually orthogonal Chebyshev polynomials or very high order Lagrange polynomials over non-uniformly spaced nodes. In SEM computational error...
    9 KB (1,339 words) - 16:08, 5 March 2025
  • include Euclidean distance, Manhattan distance, Minkowski distance, and Chebyshev distance. The Euclidean distance formula is used to find the distance...
    17 KB (2,564 words) - 04:35, 12 July 2024
  • cursive form of theta, often used in handwriting, represents the first Chebyshev function in number theory Theta role in linguistics ι {\displaystyle \iota...
    62 KB (6,018 words) - 21:42, 7 April 2025
  • information between the nodes. Because the Gauss–Lobatto nodes cluster at the boundary points, Ross et al. suggested that if the node density around the initial...
    7 KB (848 words) - 04:44, 22 July 2024
  • sequences for their black nodes and white nodes: both have a black node with degree three, two black nodes with degree two, two white nodes with degree two, and...
    30 KB (4,171 words) - 20:41, 13 July 2024
  • Thumbnail for Riemann zeta function
    representation of the zeta function is essentially an interpolation with nodes, where the nodes are points s = 2 , 4 , 6 , … {\displaystyle s=2,4,6,\ldots } , i...
    74 KB (10,674 words) - 01:04, 20 April 2025