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 % @( M9 r$ `: Q& W
% o/ F7 O+ o3 N9 \for describing objects in U. For any u in U, define an additive utility 9 y# q1 t( m! t/ s# U
( q- ?$ @( Q1 \ G7 e8 t5 A
function f as follows: 0 w3 V8 s8 u' S s+ I) Q4 f" d3 c3 d. G! _4 O
f (u ) e （u ）, （对e属于E，e(u)求和） , }% }2 p# f) b; J# D 1 N8 J3 d7 S6 A. d! ~3 X- f2 n$ Q
e E 0 u7 X3 n' [0 Y
+ S7 v4 R' a5 A' X1 Jwhere e(u ) 0,1. u is called an optimal solution if it is one of the * P6 c9 A+ ~/ U! Z- ] % O6 t* p Q" N! emaximum points of function f with respect to normal order. For ) O/ L0 ~4 Q, G6 I4 K( F
! v: W; h, G7 }5 ~, ocertain reasons, some values are missing. It costs if we want to find ' ?+ G& Q* c5 E# J* v7 y4 M( A/ n) O% J4 R' b0 r
out what these values are. We assume that we know nothing about + \. S; Z1 _2 k8 y3 |' w
7 U+ I6 S7 a6 ?( H1 L0 ?6 N) G; |& V
the probability of these values being 0 or 1. So my questions are: 3 B7 {1 g7 p- C( s8 @ / w5 h T' w3 @* j c8 `$ C6 _(1.) Which unknown value should we figure out firstly if we want to ) i( W) C: o5 \/ {; j
: b; K% m' R7 l9 I 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！