-
In this paper, we introduced another method of variation of constant of the second-order linear equation.
介绍了二阶线性微分方程的又一种常数变异法。
youdao
-
In this paper, we introduced another method of variation of constant of the second-order linear equation.
介绍了二阶线性微分方程的又一种常数变异法。
youdao