首页> 外文会议>The Fifth China-Japan Joint Seminar on Numerical Mathematics Aug 21-25, 2002 Shanghai, China >Sinc-Galerkin method with the double exponential transformation for the two-point boundary value problems
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Sinc-Galerkin method with the double exponential transformation for the two-point boundary value problems

机译:具有双指数变换的Sinc-Galerkin方法求解两点边值问题

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The Sinc-Galerkin method developed by Stenger, when applied to two-point boundary value problems, converges at the rate exp(-κ N~(1/2)), where N is the number of basis functions. This paper presents a method obtained by combining the Sinc-Galerkin method with the double exponential transformation technique, which was proposed for numerical integration by Takahasi and Mori. It is shown that the presented method, when applied to two-point boundary value problems that satisfy stronger conditions than the original Sinc-Galerkin method requires, converges at the rate exp(-κ′ N / log N).
机译:由Stenger开发的Sinc-Galerkin方法应用于两点边值问题时,收敛速度为exp(-κN〜(1/2)),其中N是基函数的数量。本文提出了一种将Sinc-Galerkin方法与双指数变换技术相结合的方法,该方法由Takahasi和Mori提出用于数值积分。结果表明,所提出的方法在应用于满足比原始Sinc-Galerkin方法所需条件更强的条件的两点边值问题时,收敛速度为exp(-κ'N / log N)。

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