| 谱约束下的矩阵最佳逼近的特征 |
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| 引用本文： | 王全龙.谱约束下的矩阵最佳逼近的特征[J].山西师范大学学报,1992(2). |
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| 作者姓名： | 王全龙 |
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| 作者单位： | 山西大学数学系 |
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| 基金项目： | 由山西省自然科学基金资助 |
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| 摘 要： | 文中讨论论文1]提出的矩阵的最佳逼近问题,给出了最佳逼近的充分必要条件,并通过这个特征条件得到最佳逼近的计算方法,从而包含了1]的结果。
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| 关 键 词： | 矩阵 最佳逼近 最佳逼近的特征 |
THE CHARACTERIZATION OF BEST APPROXIMATION OF A MATRIX UNDER SPECTRAL RESTICTION |
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| Wang Quanlong.THE CHARACTERIZATION OF BEST APPROXIMATION OF A MATRIX UNDER SPECTRAL RESTICTION[J].Journal of Shanxi Teachers University,1992(2). |
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| Authors: | Wang Quanlong |
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| Institution: | Wang Quanlong |
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| Abstract: | The purpose of this paper is to give the sufficient and necessary condition for the best approximation of a matrix under spectral restriction and the method to find the best approximation follows from this characteristic property. |
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| Keywords: | Matrix The best approximation The characterization of best approximation |
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