抛物型方程差分格式的待定系数法  

Undetermined Parameter Method for Difference Schemes of Parabolic Equation

作　　者：倪筱颖[1] 

机构地区：[1]哈尔滨理工大学

出　　处：《哈尔滨理工大学学报》1998年第6期87-90,97,共5页Journal of Harbin University of Science and Technology

摘　　要：给出了确定差分格式逼近阶的原则，利用待定系数法推导出一组高精度差分格式．建立了差分解的逼近误差公式，且给出其应用．A principle for determining orders of difference schemes approach was given Highly accurate difference formulae were derived with the method of undetermined parameter Its approach error formula is proved and their application is given

关 键 词：逼近阶 抛物型方程 待定系数法 差分格式 

分 类 号：O241.82[理学—计算数学]