摘要
Ｌｉｓｚｋａ和Ｏｒｋｉｓｚ利用最小二乘原理改进了广义有限差分（ＧＦＤ）法，获得了较灵活通用的有限差分格式，文「１」仅给出了算法及大量的力学实例，并要求邻点个数不 小于５，本文给出了该格式与ＧＦＤ方法统一的表达式以及相容性证明。
In this paper, a consistency theorem and unified difference scheme are presented about the method of least squares, which has been formulated by Liszka and Orkisz[1]
