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 ) K2 M% g0 i& B5 Z: x
0 ~2 K9 r% G/ w+ S( C/ Gfor describing objects in U. For any u in U, define an additive utility 3 Y6 h3 v' t2 | 0 E- K0 C, p; X: R6 M% q# q2 pfunction f as follows: : r. p V2 e8 A5 `8 S , l$ a6 D( \/ R4 L8 N f (u ) e （u ）, （对e属于E，e(u)求和） - j! r; h8 r& ?. U+ S : b. G; S S; u- G8 \ e E . t: k% \, I/ I! i7 g+ ~
8 A: T! _8 }: _( d0 U x
where e(u ) 0,1. u is called an optimal solution if it is one of the ; _1 ]1 [ X$ Z, I( h
' o W4 N+ P; p2 Q$ Q: h- Smaximum points of function f with respect to normal order. For & U0 l) H" r. h2 ] ' {8 P2 L" c& n4 C7 m: B& Zcertain reasons, some values are missing. It costs if we want to find ( j, M- r# }+ b. Y5 c" @4 M( r
$ d$ A3 `7 m! ]2 Z+ |6 L! Y
out what these values are. We assume that we know nothing about 3 F2 B/ s: z& _. |6 e5 K2 `" T3 l5 k {
the probability of these values being 0 or 1. So my questions are: % t1 R/ {! H3 W# w R. r2 S 5 O/ x9 y, g% m' J, F(1.) Which unknown value should we figure out firstly if we want to 2 Q, F# ~: D" V/ n
+ y2 w+ Z+ A! U6 J$ B: K$ R 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！