ITERATIVE METHOD FOR THE WEIGHTED TOTAL LEASTSQUARES
School of Geodesy and Geomatics,Wuhan University,Wuhan 430079
Abstract The iterative method for the weighted total leastsquares was proposed in the paper.The linear fitting of an example was analyzed with the method and conventional weighted total leastsquares respectively.The results show that accuracy and precision obtained with the method are higher than that obtained with the latter，and the fixed elements of coefficient matrix are not changed after the calculation.All of these prove that the method in this paper is correct.
Key words ：
WTLS
singular value decomposition
weight matrices
linear fitting
iterative equations
Received: 05 September 2013
Published: 22 July 2014
Cite this article:
Zhong Chonghao,Yao Yibin,Liu Qiang et al. ITERATIVE METHOD FOR THE WEIGHTED TOTAL LEASTSQUARES[J]. jgg, 2014, 34(4): 153-156.
Zhong Chonghao,Yao Yibin,Liu Qiang et al. ITERATIVE METHOD FOR THE WEIGHTED TOTAL LEASTSQUARES[J]. jgg, 2014, 34(4): 153-156.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2014/V34/I4/153
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