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相关机构:南京航空航天大学东南大学安徽师范大学天津师范大学更多>>
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The Jackson Inequality for the Best L^2-Approximation of Functions on [0,1] with the Weight x被引量:1
《Numerical Mathematics(Theory,Methods and Applications)》2008年第3期340-356,共17页Jian Li Yongping Liu 
supported partly by National Natural Science Foundation of China (No.10471010);partly by the project"Representation Theory and Related Topics"of the"985 Program"of Beijing Normal University and Beijing Natural Science Foundation (1062004).
Let L^2([0, 1], x) be the space of the real valued, measurable, square summable functions on [0, 1] with weight x, and let n be the subspace of L2([0, 1], x) defined by a linear combination of Jo(μkX), where J...
关键词:Jackson inequality modulus of continuity best approximation Bessel function. 
Some Remarks on the Convex Feasibility Problem and Best Approximation Problem
《Numerical Mathematics(Theory,Methods and Applications)》2008年第1期78-91,共14页Qingzhi Yang Jinling Zhao 
supported by the National Natural Science Foundation of China,Grant 10571134
In this paper we investigate several solution algorithms for the convex fea- sibility problem(CFP)and the best approximation problem(BAP)respectively.The algorithms analyzed are already known before,but by adequately ...
关键词:Convex feasibility problem best approximation problem projection method CONVERGENCE 
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