(=0.09100x0)+150x0) ()=0.1x(0) =0.2 (0 x"1「091351x x2|=|000x2)x()=AX0 00.20 (0) 3 般,有X(+)=AX()=42X(-1) +X0)(k=0,1,2,3)7 一般, 有 (1) (0) (0) 1 2 3 (1) (0) 2 1 (1) (0) 3 2 0.09 100 150 0.1 0.2 x x x x x x x  = +      =  =  (1) (0) 1 1 (1) (0) 2 2 (1) (0) 3 3 0 9 13.5 0.1 0 0 0 0.2 0 x x x x x x                 =                   (1) (0) X AX = ( 1) ( ) 2 ( 1) ( 1) (0) = = ( 0,1,2,3) k k k k X AX A X A X k + − + = = =