布尔莎模型病态方程组解算的程序设计与实现  

Program Design and Implementation of Ill Conditioned Equations of Bursa Model

作　　者：李杰 郑文霞 Li Jie;Zheng Wenxia(First Geological Brigade of Hubei Geological Bureau,Daye,Hubei 435100)

机构地区：[1]湖北省地质局第一地质大队,湖北大冶435100

出　　处：《资源环境与工程》2020年第2期283-286,共4页Resources Environment & Engineering

摘　　要：简要介绍布尔莎七参数模型的数学基础和适用条件,说明产生病态方程组的原因以及对求解参数的影响。利用病态方程组求解的方法,使用VC++设计出布尔莎参数解算程序,提高待求参数和转换成果的可靠性、稳定性。This paper briefly introduces the mathematical basis and applicable conditions of the Bursa—seven parameter model,and explains the reasons for generating ill conditioned equations and the influence on solving parameters.By using the method of solving ill conditioned equations and using VC++,the program of solving Bursa's parameters is designed,which improves the reliability and stability of the parameters to be solved and the conversion results.

关 键 词：布尔莎模型 病态方程组 条件数 法方程 

分 类 号：P226.3[天文地球—大地测量学与测量工程]