20 0 00 2E 02 00 20 故 exp at=exp Xexp 02 00 01 01 {E+ t+ o e 00 002! 01 e e 0 常系数线性方程组 国上一页国下一页返回帮助常系数线性方程组 2 0 2 , 0 2 E   =     2 0 1 0 0 , 0 0 0 0     =         故 exp At 2 0 exp( ) 0 2 t   =     0 1 exp( ) 0 0 t        2 2 0 0 t t e e   =     2 2 0 1 0 1 { } 0 0 0 0 2 ! t E t      + + +         2 2 0 0 t t e e   =     1 0 1  t     2 1 . 0 1 t t e   =    