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How to realize of minimum square estimation in curve-fitting

NIE Xiang 1, ZHANG Rui_lin 2 (1.Dept.of B.C.of Shaanxi Institute of Technology, Hanzhong 723003,China; 2.Dept.of Mathematics of Hanzhong Teachers College,Hanzhong 723000,China)  
This paper presents a method of how to realize the minimum square estimation in multivariable orthogonal basis functions fitting of a curve,then takes the general square curve fitting as an example to explain the key points in programming,which is of a wide range of practical values in data proccessing.
【CateGory Index】: O4-33
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