摘要
通过在病态代数方程精细积分法的基础上增加一个迭代改善算法,建立了病态代数方程求解的改进精细积分法.该方法进一步提高了病态代数方程精细积分法的精度和效率,具有良好的应用前景.算例证明了该方法在病态代数方程求解中的有效性.
An improved process of iterative algorithm was added to the precise integration method for ill-conditioned algebraic equations and an improved precise integration method for ill-conditioned algebraic equations was therefore constructed. The method further improves the accuracy and efficiency of the precise integration method for ill-conditioned algebraic equations and is of good application prospect. Numerical examples show the validity of the present method.
出处
《应用数学和力学》
CSCD
北大核心
2013年第3期235-239,共5页
Applied Mathematics and Mechanics
基金
国家自然科学基金(重点)资助项目(11132004
51078145)
关键词
病态代数方程
精细积分法
迭代算法
指数矩阵运算
ill-conditioned algebraic equations
precise integration method
iterative algorithm
exponential matrix computation
