Results 11 to 20 of about 960,273 (61)
Weighted Sobolev spaces on curves [PDF]
, 2002 45 pages, no figures.-- MSC1987 codes: 41A10, 46E35, 46G10.MR#: MR1934626 (2003j:46038)Zbl#: Zbl 1019.46026In this paper we present a definition of weighted Sobolev spaces on curves and find general conditions under which the spaces are complete for non ...
Pestana, Domingo +3 more
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Generalized weighted Sobolev spaces and applications to Sobolev orthogonal polynomials, I [PDF]
, 2004 36 pages, no figures.-- MSC2000 codes: 41A10, 46E35, 46G10.-- Part II of this paper published in: Approx. Theory Appl. 18(2): 1-32 (2002), available at: http://e-archivo.uc3m.es/handle/10016/6483MR#: MR2047389 (2005k:42062)Zbl#: Zbl 1081.42024In this ...
Pestana, Domingo +3 more
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Compact embeddings of broken Sobolev spaces and applications [PDF]
, 2009 In this paper, we present several extensions of theoretical tools for the analysis of discontinuous Galerkin (DG) method beyond the linear case.
Buffa, Annalisa, Ortner, Christoph
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Approximation theory for weighted Sobolev spaces on curves [PDF]
, 2001 17 pages, no figures.-- MSC2000 codes: 41A10, 46E35, 46G10.MR#: MR1882649 (2003c:42002)In this paper we present a definition of weighted Sobolev spaces on curves and find general conditions under which the spaces are complete.
Pestana Galván, Domingo +6 more
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偶数维空间上广义Beltrami方程组及高维空间的Beltrami方程组 [PDF]
, 1997 本文在ｎ＝２ｌ维偶数空间上得到广义Ｂｅｌｔｒａｍｉ方程组Ｄｔｆ（ｘ）Ｈ（ｘ）Ｄｆ（ｘ）＝Ｊ（ｘ，ｆ）２／ｎＧ（ｘ）的伸张公式，并在Ｈ（ｘ）为对角阵的条件下，给出广义Ｂｅｌｔｒａｍｉ方程组的正则性定理，Ｃａｃｉｏｐｏｌｉ型不等式和可去性定理．此外，还将所有维数的Ｂｅｌｔｒａｍｉ方程组Ｄｔｆ（ｘ）Ｄｆ（ｘ）＝Ｊ（ｘ，ｆ）２／ｎＧ（ｘ）化为一个 ...
程金发, 方爱农
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Evolusion and Gender Bias Reflected in Chinese Characters [PDF]
, 2013 Evolution of Chinese characters besides the form of its streaks, also occur in change and meaning of vocabulary. Vocabulary containing radical women which is expressed with the pictograph #22899 n#474 contained a lot of negative meanings, so it is very ...
Karsono, Ong Mia Farao
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, 1990 湍流研究具有重要的理论和工程意义,谱方法能达到快速收敛、高效和边界层中高分辨率、高精度。用谱方法边界条件处理也方便,谱方法随着数值方法的改善和计算机系统的发展,它在湍流数值模拟中的作用愈加重要。 这里介绍了一平直槽道及两个同心圆柱间的三维N-S方程数值求解的谱方法,在平直槽道中在平行壁面的x及z方向上用富氏展开,在法向(y)用契比雪夫多项式展开,与平直槽道相似,在θ和z方向用富氏展开,在法向r用契比雪夫多项式展开,为解N-S方程,在时间方向用Crank-Nicholson格式,非线性项用Adam ...
廖柏程, 苏铭德
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Auto-focus technology and its application based on image processing
, 2009 Auto-focusing technique is an important method to improve the precision,intelligentization,automatization for the indentation diameter measurement.The paper introduces an auto-focus method of indentation diameter measurement based on image processing ...
Chen, Xiaomei, Yang, Tao, Zuo, Yong
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, 2010 本文討論如何利用數值方法求解三維對流擴散方程式，以決定規則格點上濃度揚之分佈。此一研究將三維問題，利用分段步驟法( fractional step method )改為三個方向之一維對流擴散方程式，並以泰勒展開式進行時間之離散，以葛勒金法( Galerkin Method )進行空間之離散，如此即可依序求解三個一維對流攝散方程式，以求出不同時間三維濃度場之變化情形。 論文中將數值解與解析解比較，探討其準確性，並與前人結果比較。由一維和二維問題之比較顯示此種方法較其他方法(如Price ， Upwind,
陳富宏; 江旭程
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, 2017 本发明提供了防止3D打印过程中打印件翘曲的方法。具体地，本发明提供了一种防止3D打印过程中打印件翘曲的结构，该结构自下而上依次包括：打印基板1、粘合层2和丝网层3，其中，所述粘合层将和丝网层粘合固定于所述的打印基板，并且远离打印基板的所述丝网层的主表面朝向3D打印头。本发明还提供了一种防止3D打印过程中翘曲的方法，所述方法包括步骤：采用本发明提供的防止3D打印过程中打印件翘曲的结构，在设定的基板温度和打印温度下，以设定的打印速度 ...
程昱川 +4 more
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