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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教0 ^+ Y+ y% C1 E4 B3 {0 z4 b% v7 {
globals[
9 ~: q0 w& }' l! W# Sxmax
0 g0 _7 ]$ ]+ F5 Z+ Pymax
6 H- E. w7 Y/ h5 ?global-reputation-list& g( M* _/ _, |6 _' i0 q7 c; o
: \* j% d% f" |" `
;;每一个turtle的全局声誉都存在此LIST中" s& g' Y4 v, G& k# x9 [$ Z$ P
credibility-list: p9 `9 P' [8 @: h
;;每一个turtle的评价可信度
3 l" Q8 o- G, U7 I+ L3 Fhonest-service" d6 S) j4 o/ p- W3 X1 l/ h
unhonest-service
, E1 {% F/ }3 N) ]% _3 }5 e9 r8 m. l+ Aoscillation
/ Z% U3 j& U0 f% Brand-dynamic
" f2 z$ T# d* h& O* U0 U]5 ^8 ~: ]6 H: F) x0 m
* B5 k, s: k3 B3 q& Z gturtles-own[; A i1 {1 G6 A+ T! J9 [
trade-record-all
$ c2 `5 Q" {" P: Q;;a list of lists,由trade-record-one组成
' u4 r' U, p1 r8 I. o4 O" R4 qtrade-record-one
7 v6 I' o1 V" G D+ g;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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9 G* k @& V" Y& F8 u0 d4 _( I/ L;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
, K/ V* B" S; L, Y' utrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]/ W, q* h3 {1 p5 G6 {
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list; D1 ]0 N* G8 y
neighbor-total
% [8 i3 \% J, J0 r; U( O; S' k;;记录该turtle的邻居节点的数目& d5 s! L; E! w) D7 | l
trade-time
8 I5 b; T( k2 L# K+ @;;当前发生交易的turtle的交易时间! o; v- e7 w9 W# m
appraise-give$ g+ l$ o N4 r( w
;;当前发生交易时给出的评价
/ B c6 V: o: l' |7 oappraise-receive
1 s: F5 ~0 |; X# y- @; n;;当前发生交易时收到的评价
, u5 D& R8 a# ~' ^; L- j+ B, pappraise-time
' z$ L8 v* x: T' B' l;;当前发生交易时的评价时间! l3 {; c$ f& V3 l: B: i
local-reputation-now;;此次交易后相对于对方turtle的局部声誉# N$ F$ m3 @! i" }2 ~
trade-times-total
7 }. z8 ]+ a n. t;;与当前turtle的交易总次数
: a! w3 b2 X1 _+ p7 y8 P9 M7 E3 Ttrade-money-total. P+ P! Y* A' a" \& Q7 c) d+ Y
;;与当前turtle的交易总金额
$ |* X p4 M, flocal-reputation
R7 q; ?& |0 K8 N: Gglobal-reputation$ p$ _7 A# N3 f
credibility
, v; ^" c0 @* I% F# c: y5 z;;评价可信度,每次交易后都需要更新
# N( |. c0 q, W' d/ rcredibility-all
9 {2 \7 p* F; h0 P! e% a;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据& @) z6 m0 U6 Z4 E: n# u$ Y2 j
+ D4 X3 L" W* H& y0 \) x;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5& N( w- u7 ^8 \; c$ _
credibility-one
0 J8 ^% n2 G$ b: [;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
, p% G' `3 d$ F* g* m I0 }; Nglobal-proportion" V8 S8 {& ?9 B! s
customer
3 d9 l- `' \0 C6 G9 m0 Xcustomer-no0 |4 f/ l+ l# @# o# ^
trust-ok% T K# h: I+ s7 I2 ]4 I
trade-record-one-len;;trade-record-one的长度
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, c5 D2 |( C% b- E1 ~1 S* a" X;;setup procedure" m7 r' o6 L I
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to setup
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ca
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4 @7 S9 ?4 {! u# j D) finitialize-settings
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) @7 }4 l V+ P2 [. y9 z, Ccrt people [setup-turtles]
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' w& `% H3 p/ F0 X: Freset-timer) L5 S, B7 X" N4 ^; _
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poll-class
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# V0 q7 G9 A$ v+ x% Qsetup-plots
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do-plots
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4 E6 S5 R! S- F5 p0 Fto initialize-settings
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, w9 [' \; A& c1 I# l4 zset global-reputation-list []
. s) } S& g- {& T5 f. y- Q
# o9 G' u2 M- s p- s6 pset credibility-list n-values people [0.5]
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( |& C1 a" E0 ]0 Aset honest-service 09 D c1 r2 G2 W. ^6 l. T
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set unhonest-service 04 J+ `* [* K# ?5 Y- l# f
& [! I) O- @: o* L6 `" H
set oscillation 0: I t3 c0 ~: v2 T3 V/ \
8 x: \3 s, [' ?' n, y$ xset rand-dynamic 0
. {; U6 e4 `% E% u4 Send4 V: f0 @. L5 |1 K
# P. K {7 W$ f! Lto setup-turtles
3 P+ R5 t3 h3 g+ \2 uset shape "person"5 I' B* [' w0 [0 }
setxy random-xcor random-ycor
$ C& D) e2 L. n$ y* F' z- f5 Cset trade-record-one []8 A9 p0 H+ B- N) C4 F( o
* s- K: g. ]9 k: oset trade-record-all n-values people [(list (? + 1) 0 0)] 8 Z1 @# A+ O {
# n6 ^0 K1 z" x5 D9 Z6 h; E! y2 c. @set trade-record-current []
! \7 P+ U2 _; j) \. bset credibility-receive []/ [' s$ p" ]5 f: U* ?
set local-reputation 0.55 \6 s# h5 J; F# N6 N
set neighbor-total 0
5 ?6 \( H. P( W4 O" d6 n/ wset trade-times-total 0: y) y4 \ D) M" l
set trade-money-total 0
2 ~! o Y4 f9 o1 Q, L: P5 uset customer nobody
* ]! y" D/ P% }; Tset credibility-all n-values people [creat-credibility]8 S7 ]- B2 d e9 o
set credibility n-values people [-1]
" P* Y7 x* U/ J& V0 A* Gget-color
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& k2 Y$ [( A+ rend
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5 I0 M) O% H: z, a9 y: B9 sto-report creat-credibility6 Q; q C }9 t+ L! j! B/ O: Q
report n-values people [0.5]* Z, S& }, z3 j+ r8 a' Y8 \1 H* v
end
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to setup-plots3 H9 K9 h, Y4 ^6 f; A$ W" V
9 e0 h+ w# U8 T- ~6 s' c. s% ]1 jset xmax 30
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8 J% |, T+ R; m8 Xset ymax 1.0
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clear-all-plots
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! y7 j, T3 n& ~- o1 h3 Jsetup-plot1
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setup-plot2! E c7 c. G2 M" v* z: J. t- y/ W
$ k9 j' P- ^! q! P- U' Msetup-plot3! M) `, d- M- R3 B# f2 j1 t
end
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* q% }; L% C: \7 B. j& s; m4 i% `% b;;run time procedures8 Z% ?% C% S L, X" a3 A' k: X
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to go
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ask turtles [do-business]
6 [! c, r( T5 V3 @end4 N+ W& J+ C2 n/ J: o4 o7 `3 [
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to do-business
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( L4 V8 i8 I0 d* Z, g! C6 m5 h, q
rt random 360
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fd 1' {+ [. l0 N v
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ifelse(other turtles-here != nobody)[
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7 g3 s! ] A$ P! ~3 Bset customer one-of other turtles-here
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- B' P" q& ]6 B) Z( n, X/ B;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
, F% {2 T0 V7 z; D: _' G[trade-record-all]of self& m* ]) @, W1 T9 E% E9 [) ?( j* R
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1), ~8 h$ b8 j3 M6 P( x1 \
[trade-record-all]of customer! Z+ Z# E( }9 [: |. w# x8 T8 l
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set [trade-record-one-len] of self length [trade-record-one] of self; r* B1 X( a2 C/ }
3 W% B4 g2 b/ iset trade-record-current( list (timer) (random money-upper-limit))
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6 H" ^+ c3 b, K% w6 R3 oask self [do-trust]
; I$ G0 [, t4 V, _& Y;;先求i对j的信任度1 R/ F! P% E* y) m& \* V
/ l7 i/ u5 J1 x; p3 \1 Hif ([trust-ok] of self)3 ^& G: \$ C! `( C1 S
;;根据i对j的信任度来决定是否与j进行交易[' T8 [2 D6 K+ [% K/ }
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself$ {/ F! [8 i8 Q
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4 }7 n1 Q* m% \( o- x, y
do-trade
+ s6 p3 t( R& U9 K6 n$ W2 w
4 c7 `& V- [' c1 l9 ?% `update-credibility-ijl) x g8 x7 @: i, [. E( g) i! x# \
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update-credibility-list
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# P0 Z' l$ J1 Nupdate-global-reputation-list
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poll-class
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get-color' h% j8 a- C: a1 z* G# y8 u5 W, Y
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]]
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;;如果所得的信任度满足条件,则进行交易* r) e) }( u- F
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rt random 360/ h' h8 k- r' U& m0 S V
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]: c" K M/ w; @/ B7 E% e
3 i7 [0 Q# _4 k! N% tend
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to do-trust $ Y& _) l( P! k. F9 H# T
set trust-ok False$ [, u3 o. I/ X
+ b# ?) p: B- c6 v2 {
& s& [# x0 w1 E m5 W( ?! q; v! Blet max-trade-times 0
- a8 m" P; t; U9 }; W; Q- f uforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]], }$ Z' K4 |# a
let max-trade-money 0% A3 y2 y$ j. e" W2 f3 T+ R
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) j3 u$ @. B5 h u: j( _3 [let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))5 R* r f. Z F$ r4 [
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get-global-proportion
6 _9 T- K, q6 flet trust-value
" M' J- Y" E* P) L6 Flocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)8 F4 U4 r @7 a( W! S5 ^
if(trust-value > trade-trust-value)5 U1 O$ Z& [# t; C Y1 i
[set trust-ok true] X! t- X5 G/ R: z# |7 j
end& u4 Y+ c+ G) e" P# H$ A
& j* g* z7 w) n! x4 Z& Ato get-global-proportion
/ ]( x# ?0 C3 Gifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
6 {8 _# C& r4 [0 Z) j m[set global-proportion 0]
. i; C, ^7 A& x& \1 ~% v5 B[let i 0# z- [" b5 @8 H: x8 o
let sum-money 0( [5 S) }$ s: @% H/ ?" }
while[ i < people]
( K/ O, B2 T+ V* t[
7 R) @. W( V* L K2 {if( length (item i8 f1 S) r0 j6 v* X. M0 C3 u! S
[trade-record-all] of customer) > 3 )
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set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
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let j 0
* c; }; [" Y6 r2 }8 P! R, clet note 0
3 d8 _: l# Z. v9 i" lwhile[ j < people]4 v! Y. W8 ]9 ?6 L7 n
[
' ?. y' e* M) t/ y0 Yif( length (item i
! `) P) F% d6 }6 P4 y. ^[trade-record-all] of customer) > 3 )
( g4 X( N8 x7 `; x# `7 D# S[0 S6 E8 y' }* e2 \; T
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
/ k: a7 C8 M3 j9 O, y E2 |4 K[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
: t+ A/ o8 N9 H0 o/ M5 s) \[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
- _9 W5 b* m" k. h6 n]1 ?0 u( a# ~* @3 q/ y% e" a. U/ W
]
c$ G4 Q; ] @% g" V+ o0 i$ i/ Vset global-proportion note; D! H# S! P( y9 }+ G6 j$ V; z- h6 @
]6 k( |# r- I1 g/ A1 H: i
end
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to do-trade
+ g; l+ Y9 E+ G* v$ I) i$ ~;;这个过程实际上是给双方作出评价的过程
& G. [' \" i, M! c' o+ Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 |8 [8 y I6 c3 z4 H0 E! v8 Iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* Z& H& v: q: J9 h( W
set trade-record-current lput(timer) trade-record-current
$ f! |* {; B& ^) i; q. \2 t& w;;评价时间
. x7 t: h2 u8 f7 h, ]- Lask myself [
& e% U( f8 T( Y6 s+ ~/ ^7 iupdate-local-reputation$ k" O+ u0 ~& b% @9 F
set trade-record-current lput([local-reputation] of myself) trade-record-current% M# X% r: e$ w. z/ ?$ a: @
]# N8 h9 o r1 P9 F% g
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 Q' c1 Y! I2 B1 A5 B; M
;;将此次交易的记录加入到trade-record-one中8 j9 q# Z- z5 ^$ L
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)6 p+ _$ H- X1 z! T% {
let note (item 2 trade-record-current )7 N2 p0 s) C. h6 @/ O
set trade-record-current) f. d8 o) C, x, x# R; k G' H
(replace-item 2 trade-record-current (item 3 trade-record-current))1 W2 Z5 @# B% c! p) J; i
set trade-record-current7 X5 X7 P2 j9 p4 G& S
(replace-item 3 trade-record-current note)7 _6 ]. j9 l* }$ Z! m6 Z& _
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7 `' I5 F9 }4 s7 Dask customer [
" ?5 e4 X/ A( |/ _1 l/ w2 H' }update-local-reputation2 v1 O* z- w1 q j! s+ D
set trade-record-current
; D' S+ [0 R' o, y: N(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 0 d. u1 X* ?- W' @' k8 V0 {# `
]
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# c4 v' ~ i4 v! N# n6 n _
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer% @0 S6 q; t \
3 ]7 m* x! Z! \; Z# }% d, G6 X
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))( d' D0 p% X; R3 r8 v- o i/ w6 _
;;将此次交易的记录加入到customer的trade-record-all中
: R/ N3 m* h! h* ]5 qend( ~" x2 R e& g! p# F! o7 c
' Z$ P% v0 |, r+ x- z& vto update-local-reputation
2 e% R" |8 v. O9 U& [3 B7 D9 z! Gset [trade-record-one-len] of myself length [trade-record-one] of myself
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6 Z3 Z/ g/ U; W; U( \2 Q( d9 I;;if [trade-record-one-len] of myself > 3
; n# c/ \5 c( L9 ~) R; Z, Eupdate-neighbor-total% J1 l" A' S5 U
;;更新邻居节点的数目,在此进行; S* @ q) x! j1 \3 C2 |+ D u2 U
let i 3( K! a$ {" u0 {2 V
let sum-time 0
0 q" Z8 {* r/ Z0 J& u4 \' r# W Uwhile[i < [trade-record-one-len] of myself]
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set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 `% K( j0 ]3 w3 }set i
8 P- a0 C, L/ e5 X- ?* c" D( i + 1)7 P) o& s7 C) \; S0 n9 ]7 Q
]( p6 H$ N }$ L* c1 G: Q- Z
let j 3
9 y& ]% t; r8 I2 `3 m; dlet sum-money 0
# z' |* G ^, Nwhile[j < [trade-record-one-len] of myself]
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set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
2 D/ O( O: p9 n2 t- e7 D$ T3 _set j0 v+ _! r9 W7 @! u2 v. F) Y! a
( j + 1)
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let k 39 k: L6 R! X3 B$ U+ k
let power 0( [5 s$ b9 w" I
let local 05 J2 G& R: `0 s$ D0 Z3 C8 Z9 [
while [k <[trade-record-one-len] of myself]3 K$ B0 [, A8 i& f r% W# }
[0 P+ j, ^- C' ]9 _
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
- a* i, S1 q7 W- d" u1 g3 Aset k (k + 1)
# h2 ~% X, U4 |]
' X; m; J* K4 ^# D' l4 }set [local-reputation] of myself (local)0 O% y* e' k, ]' B" o. d
end
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to update-neighbor-total
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9 g' k' ]& \4 G. n9 \if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 W' r6 i# h/ |& d8 b7 p2 w7 b3 e3 w: z) Q) S% o: Y
- U) d2 Q4 Z S: Z; O- p& M, b2 Wend: J) L4 s) ]$ e+ F5 Q6 j1 i! I3 H
- e/ s; p7 X, Hto update-credibility-ijl 3 p- ?0 B/ {% t! u5 g( t' n
4 D4 ?5 |- s* c. G6 s
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。7 c2 B2 R5 _& m
let l 0/ X, G- _$ a5 U& O
while[ l < people ]
/ e" j* b, O# d9 |- l- d; U;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
% H7 [$ }. r$ w. w+ K6 d$ W[# N' u! ~$ L: z) ~
let trade-record-one-j-l-len length item l ([trade-record-all] of customer): P+ J" j- u% h6 {" K
if (trade-record-one-j-l-len > 3)
7 i& B2 Q8 F! j0 z Y8 S[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one+ g9 I# _2 Y# ?& r
let i 35 n9 B3 k. H4 G
let sum-time 0- R( Q) ~- v9 G& w+ ?6 M
while[i < trade-record-one-len]+ e+ W+ c! _2 I+ D1 F1 ]6 q' u
[
4 l! J' d, V9 x' f. B0 \set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
4 E1 w, ^: X% w6 Kset i
- g4 J& i% |+ H/ f2 a( i + 1)
9 [4 s) `# C: S% s]1 D$ m0 v1 M- V* h
let credibility-i-j-l 0
& x+ {6 G" V: A5 t4 W) b+ x8 B;;i评价(j对jl的评价)
$ @1 u/ C& x$ r3 l3 k& F/ Rlet j 3$ K6 t" z7 d6 }: I# T
let k 46 N/ s% s8 m" [
while[j < trade-record-one-len]+ i5 s$ t& `4 c+ t l. Z- f" G
[
3 E/ @: ^$ O5 G) @while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉3 l" F9 K; E$ }- i" f5 ]
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
3 [4 x, _" u- R. h" v7 aset j
/ @7 T9 v/ N) I) M5 L( j + 1)
& {2 l* q4 h5 v: q0 s$ y" e+ `& u]
5 T; V$ p) d3 o9 z# `7 Uset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))& M. \' l( b" m6 ~7 [
% l9 ]- N4 Z v+ j; |( P2 T& V; F, p8 b$ z" A! L6 F, c7 t! b
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))5 S. e9 K1 m* x
;;及时更新i对l的评价质量的评价+ f# v& G+ J: v. ^
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- x" w7 D3 C( z+ ^( p& h: ^8 u
set l (l + 1)
6 @5 f; L% W( o2 x]( j: L8 m2 K7 q0 _
end# W/ O# ~9 D: e/ [
4 ?1 W4 v3 M, z, E: n
to update-credibility-list
, H k9 {+ j& w2 f7 c7 I# p$ Ylet i 0
! T$ Q. V0 X; g7 L$ ]* c1 f- Iwhile[i < people]
) p4 ~( J6 L1 ?8 w) v( \[
* \. d# d' O: A6 g) `' {5 L4 Mlet j 0/ K: u- f8 m( H" s
let note 0
0 w$ r& \% c$ \, olet k 03 _0 u3 E0 F, z" }1 H) U
;;计作出过评价的邻居节点的数目, K/ P+ g) T( `2 \
while[j < people]/ b5 g& a: v, [( y- R! }
[
0 h1 O) I# Q# s: Yif (item j( [credibility] of turtle (i + 1)) != -1)) M- Z# T6 l, R% H( ^; y
;;判断是否给本turtle的评价质量做出过评价的节点
/ B+ Z6 [2 Q& T) ~1 \) \[set note (note + item j ([credibility]of turtle (i + 1)))
# g4 a! H! |; Y) H- H;;*(exp (-(people - 2)))/(people - 2))]
; n# o5 d# F6 e! @$ w5 t' \set k (k + 1)
: X9 o& ]. H7 W( J" i& w6 Z$ x]6 @: q# o1 p8 u4 \9 P& j% w
set j (j + 1)
: A" T4 r) z2 \# E4 [( r$ Z]
4 E4 t, c7 b! sset note (note *(exp (- (1 / k)))/ k)% \9 U( d4 N% N: T
set credibility-list (replace-item i credibility-list note)4 j5 G- t& H2 r9 @( c& C
set i (i + 1)
9 D) s1 S7 O& D! G( V]
1 s! s0 c N* a* k# ~; }end8 N# k1 v$ J' A) E4 V# p, x2 C6 }
5 E2 v1 ]( m. g/ X+ w* wto update-global-reputation-list8 R# r# A3 m6 B$ x
let j 0
5 f3 p8 |& `: w) ~while[j < people]
' u X2 y1 ~+ M7 C8 N[
# I( z4 C2 C- ylet new 0
1 v( G" k# C8 w/ V;;暂存新的一个全局声誉( V1 o& l1 q1 l8 i2 L
let i 0) K. ^: M. p8 n' P4 @. o% C
let sum-money 0
9 D0 J( v) |% r% Z" ^' u- Alet credibility-money 0! g# C5 |( R/ p( S2 L/ D) i3 s
while [i < people]" N0 c: g% ], p7 i% Q3 [& K- T% S. p
[
4 [: n/ k& ?7 [8 G! Dset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( g2 J: y' b0 Iset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))' ^& z2 c4 q; t5 T4 N1 ?
set i (i + 1)- B# B) t9 i/ t9 p% U- W
]
4 b3 a" ?* Y9 R$ P8 D5 @let k 0& H4 D, Q( x9 z, |! G* b
let new1 0; e8 j4 z) X7 p0 |' X4 b4 {
while [k < people]/ O0 u9 `- B" \/ A. f: j
[. {: @+ ?. E! t
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)" Z* X: } Y; U' ?
set k (k + 1)" b: k& }& n+ u' e
]
2 W. P9 G/ a; {7 Xset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ @; e3 E, B4 |, B! H, I; gset global-reputation-list (replace-item j global-reputation-list new)
y- |* z- P4 v! jset j (j + 1)
% o" _' O0 x% J2 I]$ j$ k$ O6 m" X
end6 f& w U6 K3 F1 x% W
6 U( F# B, q& f1 Q* O& q; I. X$ J% a" l A/ j% X7 H) T: x
3 A/ ~: b* P; G* m) i
to get-color' Y4 [' T7 s3 g K
; A/ u1 o; m8 g9 n: k- _! m0 Jset color blue$ X5 }4 x; Z! J
end
- p [$ @% Y& L+ E' q* n- M
5 w2 K$ U. L8 | y! o2 Q* B3 ~: fto poll-class6 ^+ O @6 j* h o: T
end0 I8 p& W9 P) q3 h
* i/ r1 A9 P( `1 t; tto setup-plot1
6 t' M+ g; L$ p, R0 S6 Q, a3 G; N( g8 _" T) U' t
set-current-plot "Trends-of-Local-reputation"* f8 f" r# [8 }
7 e3 T, K& I" s) t1 v2 U& j( Hset-plot-x-range 0 xmax
( }+ q- h5 e$ M* y
, n: j7 Q* _6 |1 Gset-plot-y-range 0.0 ymax; G' w7 Y: _9 t+ x8 `0 B
end
4 E5 v/ Y5 Q8 j0 V2 I% n
5 ?6 ?4 k4 {4 H: O l& @8 [( ~! Sto setup-plot2
7 `+ m5 p8 T3 E, B# p" j0 D$ e4 ]: }, C- q; N
set-current-plot "Trends-of-global-reputation"
Y, u0 M8 _5 ?6 s! X8 \2 }/ A; E C k* O
set-plot-x-range 0 xmax
+ c. x& R8 J* r0 K1 o5 Q( @) W8 @6 B* a/ M
set-plot-y-range 0.0 ymax: C4 y; v3 G0 X3 S! j3 r9 A9 Q
end
- H4 t! M/ D' [1 v
$ X. Q+ C# L/ I; e% L U5 Oto setup-plot3' B& H& v3 b3 E2 K% i
% N6 g q" D4 w- q% qset-current-plot "Trends-of-credibility"
1 `2 b D$ w C/ K2 W7 F1 z, x) @( H5 G! m2 w I8 L% I
set-plot-x-range 0 xmax
/ C& u7 ]0 b4 q ?, n$ |
$ z- T! g: N0 G2 l6 f: w3 wset-plot-y-range 0.0 ymax
7 v% y( a0 V F& C j7 y3 eend4 v" T) n& L& k
6 m5 o! M" K5 M% _* w
to do-plots0 `% b& g6 [3 S) H9 u6 F
set-current-plot "Trends-of-Local-reputation"; X; ?5 g& O$ O" T& l
set-current-plot-pen "Honest service"
4 f6 U0 {0 Q o3 {/ ^' y" |end
6 Q7 }- }" C; A2 S" f6 }
: O+ \: U1 W1 R, ?. ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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