The computational results demonstrate that the partial root root estimator can improve the LS estimator when the design matrix is ill conditioned.

计算结果表明，在设计阵呈病态时，部分根方估计确能改善LS估计。

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The computational results demonstrate that the partial root root estimator can improve the LS estimator when the design matrix is ill conditioned.

计算结果表明，在设计阵呈病态时，部分根方估计确能改善LS估计。

youdao