The total differential quadrature of function of two variables problem was discussed.Analyzed the selection of the path of integration for total differential quadrature of function of two variables through examples.Then total differential quadrature of function of two variables in complex connected domain was explored,the condition for total differential quadrature of function of two variables was generalized.%探讨了高等数学中二元函数全微分的求积问题。按照循序渐进的方式，举例分析二元函数全微分求积时积分路径的选取问题，探究复连通区域内二元函数全微分求积问题，推广了二元函数全微分求积题目的条件。
展开▼
