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 perfor...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.展开更多
文摘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.