Some nonlinear approximations for matrix-valued functions
文献类型：期刊论文
| 作者 | Xu, GL |
| 刊名 | JOURNAL OF COMPUTATIONAL MATHEMATICS
 |
| 出版日期 | 2003-11-01 |
| 卷号 | 21期号:6页码:801-814 |
| 关键词 | matrix-valued function nonlinear approximation interpolation |
| ISSN号 | 0254-9409 |
| 英文摘要 | Some nonlinear approximants, i.e., exponential-sum interpolation with equal distance or at origin, (0,1)-type, (0,2)-type and (1,2)-type fraction-sum approximations, for matrix-valued functions are introduced. All these approximation problems lead to a same form system of nonlinear equations. Solving methods for the nonlinear system are discussed. Conclusions on uniqueness and convergence of the approximants for certain class of functions are given. |
| 语种 | 英语 |
| WOS记录号 | WOS:000186851300010 |
| 出版者 | VSP BV |
| 源URL | [http://ir.amss.ac.cn/handle/2S8OKBNM/18073]  |
| 专题 | 中国科学院数学与系统科学研究院 |
| 通讯作者 | Xu, GL |
| 作者单位 | Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, GL. Some nonlinear approximations for matrix-valued functions[J]. JOURNAL OF COMPUTATIONAL MATHEMATICS,2003,21(6):801-814. |
| APA | Xu, GL.(2003).Some nonlinear approximations for matrix-valued functions.JOURNAL OF COMPUTATIONAL MATHEMATICS,21(6),801-814. |
| MLA | Xu, GL."Some nonlinear approximations for matrix-valued functions".JOURNAL OF COMPUTATIONAL MATHEMATICS 21.6(2003):801-814. |
入库方式： OAI收割
来源：数学与系统科学研究院
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