切比雪夫多项式的性质

N. Karjanto
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引用次数: 0

摘要

常微分方程和边值问题出现在数学物理的许多方面。切比雪夫微分方程是Sturm-Liouville边值问题的一种特殊情况。生成函数、递推公式、正交性和Parseval恒等式是切比雪夫多项式的一些重要性质。与傅立叶级数相比,利用切比雪夫多项式的插值函数在逼近多项式函数方面更为精确。--------微分方程,微分方程,微分方程,微分方程,微分方程,微分方程,微分方程,极限方程,微分方程,极限方程,微分方程,极限方程。Chebychev的微分方程和Sturm-Liouville的微分方程。函数生成,公式递归,正交函数和切比雪夫多项式的正交函数。一个傅立叶级数,一个切比雪夫多项式插值函数加上精确逼近多项式函数。
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Properties of Chebyshev polynomials
Ordinary differential equations and boundary value problems arise in many aspects of mathematical physics. Chebyshev differential equation is one special case of the Sturm-Liouville boundary value problem. Generating function, recursive formula, orthogonality, and Parseval's identity are some important properties of Chebyshev polynomials. Compared with a Fourier series, an interpolation function using Chebyshev polynomials is more accurate in approximating polynomial functions. -------- Des equations differentielles ordinaires et des problemes de valeurs limites se posent dans de nombreux aspects de la physique mathematique. L'equation differentielle de Chebychev est un cas particulier du probleme de la valeur limite de Sturm-Liouville. La fonction generatrice, la formule recursive, l'orthogonalite et l'identite de Parseval sont quelques proprietes importantes du polynome de Chebyshev. Par rapport a une serie de Fourier, une fonction d'interpolation utilisant des polynomes de Chebyshev est plus precise dans l'approximation des fonctions polynomiales.
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