线性方程、叠加原理与复指数表示法

Linear equations,superposition theorem, and complex exponential expression

对线性微分方程作了简要介绍,并指出线性方程是叠加原理成立并得以广泛应用的根源,最后指出复指数表示法得以适用的根本原因也是线性方程.

The definition of linear differential equation is briefly introduced. It is pointed out that the linear equations are the fundamental origin of the superposition theorem which hold true and is applied extensively. Finally, it is indicated that the linear equations are the fundamental that the complex exponential expression is carried out effectively.