RESEARCH ON ALGORITHM OF INEQUALITY CONSTRAINED RANK DEFICIENT ADJUSTMENT
Xie Jian ;and Zhu Jianjun
School of Geosciences and Info-physics, Central South University, Changsha 410083
Abstract An inequality constrained rank deficient adjustment model is proposed and on its basis the algorithm which is simple and easy to implement is designed. In the algorithm the reference condition is treated as a virtual observation and by using iterative Gaussian elimination to distinguish active or inactive constraints based on KuhnTucker condition, and then the inequality constrained model is transformed into equality constrained rank deficient adjustment model. In addition,an example of level network is given to prove the feasibility and correctness of this algorithm.
Key words ：
inequality constraints
rank deficient
active constraint
virtual observation method
level network adjustment
Received: 01 January 1900
Corresponding Authors:
Xie Jian
Cite this article:
Xie Jian,and Zhu Jianjun. RESEARCH ON ALGORITHM OF INEQUALITY CONSTRAINED RANK DEFICIENT ADJUSTMENT[J]. , 2011, 31(6): 117-120.
Xie Jian,and Zhu Jianjun. RESEARCH ON ALGORITHM OF INEQUALITY CONSTRAINED RANK DEFICIENT ADJUSTMENT[J]. jgg, 2011, 31(6): 117-120.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I6/117
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