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首页> 外文期刊>Applied mathematics letters >Verified computation of solutions for obstacle problems with guaranteed L-infinity error bound
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Verified computation of solutions for obstacle problems with guaranteed L-infinity error bound

机译:经过验证的计算方法可解决具有L无限误差边界的障碍问题

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摘要

In this paper, we consider a numerical enclosure method with guaranteed L-infinity error bound for the solutions of obstacle problems. Using the finite-element approximations and the explicit a priori error estimates for obstacle problems, we present an effective verification procedure that automatically generates on a computer a set which includes the exact solution. A particular emphasis is that our method needs no assumption of the existence of the solution of the original obstacle problems. but it follows as the result of computation itself. A numerical example for an obstacle problem is presented. (C) 2001 Elsevier Science Ltd. All rights reserved. [References: 3]
机译:在本文中,我们考虑了一种具有L-无穷大误差界的数值包围方法,用于解决障碍问题。使用有限元逼近法和障碍物问题的显式先验误差估计,我们提出了一种有效的验证程序,该程序可在计算机上自动生成包括精确解的集合。特别强调的是,我们的方法无需假设原始障碍问题的解就存在。但是它是计算本身的结果。给出了一个障碍问题的数值例子。 (C)2001 Elsevier ScienceLtd。保留所有权利。 [参考:3]

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