标题: 请高手指教，这题是什么意思，怎么解?拜谢！！ [打印本页] 作者: 遗忘角落 时间: 2012-7-18 20:36 标题: 请高手指教，这题是什么意思，怎么解?拜谢！！ Suppose U is set of objects, E is a set of {0,1}-valued parameters ) Z* _) [( O5 O0 ]- Z8 Y" y, u2 V' m% D4 r8 {
for describing objects in U. For any u in U, define an additive utility 6 J, W) e* E1 p, J+ Z+ V+ [* e5 P3 M6 Y$ e
function f as follows: ( r" i" \ N' @4 W! C2 D
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f (u ) e （u ）, （对e属于E，e(u)求和） 3 \3 ^: ~1 w0 @7 ~, j . D6 `& g5 g0 }$ _2 _
e E # p4 t# c2 A6 X4 p2 S( G5 `$ ` / S$ i7 d6 Y2 j, bwhere e(u ) 0,1. u is called an optimal solution if it is one of the + H" R3 k0 v: i; ^% |* K. R7 I' w1 W+ y2 F; L5 z: s
maximum points of function f with respect to normal order. For " G7 [) w+ [% d' N1 o' E1 b! [2 ^7 S) |: ? Y9 ]* {
certain reasons, some values are missing. It costs if we want to find # h& _) `# F" w9 \% r" N# g; ?' ?4 J( d1 y2 h4 ~
out what these values are. We assume that we know nothing about 2 @+ U5 Z0 b+ k- n1 ? , |* Z) `& ?" E1 M) t F% qthe probability of these values being 0 or 1. So my questions are: & X# ?4 C3 L* v# u. N) Z- Q+ u! c
( A. U& V6 n& o- H, A' U0 H
(1.) Which unknown value should we figure out firstly if we want to 4 G- L- Q( n1 |4 M# F' p; D# h& F; k; p% J, o4 b, w
find at least one optimal solution? 作者: 遗忘角落 时间: 2012-7-18 20:38
大家帮帮忙啊！！急用啊！告诉我这题的出处也行啊！作者: ______释然° 时间: 2012-7-18 21:09
用有道翻译哈！作者: 遗忘角落 时间: 2012-7-18 21:17
不是，我翻译过了，没有思路！