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New construction and ultraconvergence of derivative recovery operator for odd-degree rectangular elements: 收藏
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引用; 《Science China Mathematics》2004年第6期47卷 940-949页; 作者：ZHU Qiding meng lingxiongCollege of Mathematics and Computer ScienceHunan Normal UniversityChangsha 410081China; In this paper the ultra convergence of the derivative for odd-degree rectangular elements is addressed. A new, discrete least-squares patch recovery technique is proposed to postprocess the solution derivatives. Such ...; In this paper the ultra convergence of the derivative for odd-degree rectangular elements is addressed. A new, discrete least-squares patch recovery technique is proposed to postprocess the solution derivatives. Such recovered derivatives are shown to possess ultra convergence by using projection type interpolation.; 来源：详细信息评论

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