【摘要】 给出了变量分离型积分因子μ(x,y)=p(x)q(y)的定义,得到了微分方程M(x,y)dx+N(x,y)dy=0存在变量分离型积分因子μ(x,y)=p(x)q(y)的充要条件和计算积分因子的公式.更多还原

【Abstract】 This paper gives the definition of variate separated type integrating factor μ(x,y)=p(x)q(y) and obtains.The necessary and sufficient condition of differential equation Mdx+Ndy=0 existing variate separated type integrating factor μ(x,y)=p(x)q(y) and the calculating formula of integrating factor.更多还原