Discrete Time 恤n-2ark4-cu 00 S.t.K,=K-1+I, =L-2a+lk&x-4-cu小 +∑(K+1,-K,) t=0 Let4=(1+r)y2,→ 0nlkK-1-Cu)-41-】 00 电子科大经管学院马捷 8Discrete Time 电子科大经管学院 马捷 8 t t t t t t t t t s t I K I C I r Max 1 0 . . ( ) ( ) ( 1 ) 1 0 1 0 1 0 ( ) ( ) ( ) ( 1 ) 1 Let ( 1 ) ( ) ( ) ( ) ( 1 ) 1 t t t t t t t t t t t t t t t t t t t t t t t t K I C I q I r q r I K I C I r L' L