Results 1 to 10 of about 32,100 (199)

On Chebyshev polynomials of matrices [PDF]

open access: yesSIAM Journal on Matrix Analysis and Applications, 2010
The mth Chebyshev polynomial of a square matrix A is the monic polynomial that minimizes the matrix 2-norm of $p(A)$ over all monic polynomials $p(z)$ of degree m. This polynomial is uniquely defined if m is less than the degree of the minimal polynomial
Faber, Vance   +2 more
core   +5 more sources

On Chebyshev Polynomials, Fibonacci Polynomials, and Their Derivatives [PDF]

open access: yesJournal of Applied Mathematics, 2014
We study the relationship of the Chebyshev polynomials, Fibonacci polynomials, and their rth derivatives. We get the formulas for the rth derivatives of Chebyshev polynomials being represented by Chebyshev polynomials and Fibonacci polynomials.
Yang Li
doaj   +3 more sources

Representation by Chebyshev Polynomials for Sums of Finite Products of Chebyshev Polynomials [PDF]

open access: yesSymmetry, 2018
In this paper, we consider sums of finite products of Chebyshev polynomials of the first, third, and fourth kinds, which are different from the previously-studied ones. We represent each of them as linear combinations of Chebyshev polynomials of all kinds whose coefficients involve some terminating hypergeometric functions 2 F 1 .
Taekyun Kim, Dae Kim, Dae San Kim
exaly   +2 more sources

Generalized Chebyshev Polynomials

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2018
Let h(x) be a non constant polynomial with rational coefficients. Our aim is to introduce the h(x)-Chebyshev polynomials of the first and second kind Tn and Un. We show that they are in a ℚ-vectorial subspace En(x) of ℚ[x] of dimension n.
Abchiche Mourad, Belbachir Hacéne
doaj   +3 more sources

Representing derivatives of Chebyshev polynomials by Chebyshev polynomials and related questions

open access: yesOpen Mathematics, 2017
A recursion formula for derivatives of Chebyshev polynomials is replaced by an explicit formula. Similar formulae are derived for scaled Fibonacci numbers.
Helmut Prodinger
exaly   +2 more sources

A New Identity Involving the Chebyshev Polynomials

open access: yesMathematics, 2018
In this paper, firstly, we introduced a second order non-linear recursive sequence, then we use this sequence and the combinatorial methods to perform a deep study on the computational problem concerning one kind sums, which includes the Chebyshev ...
Zhuoyu Chen
exaly   +3 more sources

Fourier Series for Functions Related to Chebyshev Polynomials of the First Kind and Lucas Polynomials

open access: yesMathematics, 2018
In this paper, we derive Fourier series expansions for functions related to sums of finite products of Chebyshev polynomials of the first kind and of Lucas polynomials. From the Fourier series expansions, we are able to express those two kinds of sums of
Taekyun Kim, Dae Kim, Gwan-Woo Jang
exaly   +3 more sources

Some identities involving Chebyshev polynomials, Fibonacci polynomials and their derivatives [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics, 2023
In this paper, we will derive the explicit formulae for Chebyshev polynomials of the third and fourth kind with odd and even indices using the combinatorial method. Similar results are also deduced for their rᵗʰ derivatives.
Jugal Kishore, Vipin Verma
doaj   +1 more source

Chebyshev series: Derivation and evaluation

open access: yesPLoS ONE, 2023
In this paper we use a contour integral method to derive a bilateral generating function in the form of a double series involving Chebyshev polynomials expressed in terms of the incomplete gamma function. Generating functions for the Chebyshev polynomial
Robert Reynolds, Allan Stauffer
doaj   +2 more sources

Chebyshev Polynomials and Spectral Method for Optimal Control Problem [PDF]

open access: yesEngineering and Technology Journal, 2009
This paper presents efficient algorithms which are based on applying the idea of spectral method using the Chebyshev polynomials: including Chebyshev polynomials of the first kind, Chebyshev polynomials of the second kind and shifted Chebyshev ...
Suha Najeeb Shihab, Jabbar Abed Eleiwy
doaj   +1 more source

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