Introduction of the Concept of Exact Differential Equations and another Proof of Necessary Conditions on the Euler Theorem of Homogeneous Functions with Its Application
【关键词】通解 二元函数 恰当微分 恰当微分方程 齐次函数 偏导数 积分因子 General Solution Functions of Two Variables Exact Differential Exact Differential Equations Homogeneous Functions Partial Derivative Integrating Factors
【摘要】 The concept of exact differential equations is introduced by the method of causality. Furthermore, in this paper, another proof of the necessary conditions for the Euler theorem of homogeneous functions is given. Meanwhile, some relevant examples are...
