摘要
This paper presents an explicit difference scheme with accuracy and branching stability for solving onedimensional parabolic type equation by the method of undetermined parameters and its truncation error is O(△t4+△x4). The stability condition is r=a△t/△x2<1/2.
基金
SupportbytheNaturalScienceFoundationofHenanEducationCommission(97110 0 0 7)