刘建国, 黄华. 最佳平方逼近多项式病态改善[J]. 南昌航空大学学报(自然科学版), 2003, 17(1): 7-9,17.
引用本文: 刘建国, 黄华. 最佳平方逼近多项式病态改善[J]. 南昌航空大学学报(自然科学版), 2003, 17(1): 7-9,17.
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Liu Jian-guo, Huang Hua. Improving the ill-condition of the best square approach polynomial[J]. Journal of nanchang hangkong university(Natural science edition), 2003, 17(1): 7-9,17.
Citation: Liu Jian-guo, Huang Hua. Improving the ill-condition of the best square approach polynomial[J]. Journal of nanchang hangkong university(Natural science edition), 2003, 17(1): 7-9,17.
shu

最佳平方逼近多项式病态改善

Improving the ill-condition of the best square approach polynomial

    摘要
  • 摘要: 对于最佳平方逼近多项式,本文通过分析影响正规方程组的条件数的因素,结合数值实验,提出了中心化和压缩的方法,从而能够有效地降低其条件数,改善正规方程组的病态.

     

    Abstract: For the best square approach polynomial, the article analyses the factors which affect the condition-number of normal equations and combined with numerical trial, puts forward the way of centralizing and compressing, which can availably lower its condition-number and improve the ill-condition of the normal equations.

     

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