In numerical linear algebra, the Chebyshev iteration is an iterative method for determining the solutions of a system of linear equations. The method...
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The Chebyshev polynomials are two sequences of orthogonal polynomials related to the cosine and sine functions, notated as T n ( x ) {\displaystyle T_{n}(x)}...
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Modified Richardson iteration is an iterative method for solving a system of linear equations. Richardson iteration was proposed by Lewis Fry Richardson...
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Newton's method (redirect from Newtonian iteration)
the iteration can be determined directly from the difference between the location of the iteration from the left and the location of the iteration from...
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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...
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Edge-preserving smoothing (section Iterative filters)
leading to the idea of combining the filter with an iterative method, e.g., the Chebyshev iteration and the conjugate gradient method are proposed in for...
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Chebyshev function in number theory Chebyshev integral Chebyshev iteration Chebyshev method Chebyshev nodes Chebyshev polynomials and the "Chebyshev form"...
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Approximation theory (redirect from Chebyshev approximation)
function, using the Chebyshev polynomials instead of the usual trigonometric functions. If one calculates the coefficients in the Chebyshev expansion for a...
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or several times. The process of repeatedly applying the same function is called iteration. In this process, starting from some initial object, the result of applying...
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Generalized minimal residual method (GMRES) — based on the Arnoldi iteration Chebyshev iteration — avoids inner products but needs bounds on the spectrum Stone's...
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matrices. Some of the supported solutions methods are: Richardson Iteration Chebyshev Iteration Conjugate Gradient (CG) Conjugate Gradient Squared (CGS) BiConjugate...
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Functional square root (redirect from Half iterate)
functional square root of g(x) = 8x4. A functional square root of the nth Chebyshev polynomial, g ( x ) = T n ( x ) {\displaystyle g(x)=T_{n}(x)} , is f (...
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filter becomes a type I Chebyshev filter. As the ripple in the passband approaches zero, the filter becomes a type II Chebyshev filter and finally, as...
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James McClellan and Thomas Parks in 1972, is an iterative algorithm for finding the optimal Chebyshev finite impulse response (FIR) filter. The Parks–McClellan...
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Division algorithm (section Cubic iteration)
Slow division algorithms produce one digit of the final quotient per iteration. Examples of slow division include restoring, non-performing restoring...
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Domain decomposition methods (redirect from Iterative substructuring methods)
n ( y ) {\displaystyle T_{n}(y)} is the nth cardinal function of the Chebyshev polynomials of the first kind with input argument y. If N=4 then the following...
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first iteration (at least) can be solved exactly, but is already somewhat complicated. A numerical solution instead, for instance by a Chebyshev spectral...
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Lanczos algorithm (redirect from Lanczos iteration)
Each iteration of the Lanczos algorithm produces another column of the final transformation matrix V {\displaystyle V} , whereas an iteration of Householder...
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1934, is an iterative algorithm used to find simple approximations to functions, specifically, approximations by functions in a Chebyshev space that are...
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Spectral method (redirect from Chebyshev spectral method)
to Pseudospectral Methods. Cambridge University Press, Cambridge, UK Chebyshev and Fourier Spectral Methods by John P. Boyd. Canuto C., Hussaini M. Y...
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Network synthesis filters (section Chebyshev filter)
several important classes of filter including the Butterworth filter, the Chebyshev filter and the Elliptic filter. It was originally intended to be applied...
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unity, it depends on the prime factorization of n. Prime omega functions Chebyshev functions Liouville function, λ(n) = (–1)Ω(n) Von Mangoldt function, Λ(n)...
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gradients. Conjugate gradients squared. Chebyshev iteration. Generalized minimal residual (GMRES). Iterative refinement (Richardson's method). Quasi-minimal...
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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 ...
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CORDIC (section Double iterations CORDIC)
i.e. on each iteration, in the double iteration method, the iteration step value is repeated twice and changes only through one iteration. Hence the designation...
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Kepler's equation (section Fixed-point iteration)
without a first guess: Polynomialization of Kepler's equation through Chebyshev polynomial equation of the sine". Applied Numerical Mathematics. 57 (1):...
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1 < 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...
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that amounts to iterating a mapping from some algebraic variety to itself. The related theory of arithmetic dynamics studies iteration over the rational...
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is very close to zero, the Halley's method iteration is almost the same as the Newton's method iteration. When deriving Newton's method, a proof starts...
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quadrature is based on approximating f by a polynomial interpolant at Chebyshev nodes and integrates polynomials of degree up to n exactly when given...
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