(0)=i1(0+)=0 1(0+)=-c1(0)/3=-2A 1(0)=uc2(O)-c1(0)=0V +L1 L ①a(0)3 ①ua2(0) C2 0+图( 0 ) ( 0 ) ( 0 ) 0 V ( 0 ) ( 0 ) / 3 2 A ( 0 ) ( 0 ) 0 L C 2 C 1 C1 C1 C2 L = − = = − = −  = = + + + + + + + u u u i u i i +-u C 1(0 + ) 3 uC2 (0 + ) + u L - iC1 iC2 1+- 0 + 图