解ï¼
α=2 V=100 D=25 Xd=0.95
(1)
Y=2x/(1+X) (a)
(2)
å 为V=(1+R)D
æ以R=V/D-1=3
æä½æ¹ç¨ï¼
Yn+1=R/(1+R)*Xn+1/(1+R)*Xd=0.75Xn+ 0.2375 (b)
(3)
å 为Xd=0.95=Y1
å°Y1代å
¥ï¼aï¼å¼æ±åºX1ï¼å°X1代å
¥ï¼bï¼å¼æ±åºY2ï¼å°Y2代å
¥ï¼aï¼å¼æ±åºX2å¾è§£
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