]*>","")" /> 用QR分解拟合回归方程参数估计和剩余的迭代加细

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用QR分解拟合回归方程参数估计和剩余的迭代加细

吕纯濂   

  1. 南京气象学院数学系!南京;210044
  • 出版日期:2000-04-20 发布日期:2000-04-20

吕纯濂. 用QR分解拟合回归方程参数估计和剩余的迭代加细[J]. 数值计算与计算机应用, 2000, 21(4): 308-313.

ITERATIVE REFINEMENT OF PARAMETER ESTIMATES AND RESIDUALS FROM A REGRESSION MODEL FITTED USING QR DECOMPOSITION METHODS

  1. L Chun-lian (Dept. of Mathematics, Nanjing Institute of Meteorology, Nanjing, 210044)
  • Online:2000-04-20 Published:2000-04-20
Algorithms for iteratively refining the parameter estimates and residuals from the fitting of a regression model using QR decomposition methods are described, It is shown that if square root free algorithms for performing the QR decomposition are used the related iterative refinement algorithms can also be square root free. Testing of the algorithms is carried out and comments made about accuracies of parameter estimates.
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