§5.2GeneralTheoryofLinearODEs5.2.2非齐线性微分方程组()()ttfxAx(5.14)性质1(t)是(5.14)的解,()()tt是(5.14)的解。方程组(5.15)的解,则如果(t)是对应齐次()()(])[()tttt()()()()()tttttAfA()()]()[()ttttfA§5.2GeneralTheoryofLinearODEs(])[~()tt()]()[~()tttA性质2()~()tt和是(5.14)的任意两个解,()~()tt是(5.14)对应齐次线性方程...