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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
: v- }/ o- e2 [$ W3 b% Vglobals[
' w; ~3 u! Z; c1 k5 Nxmax
( z1 U" k3 q. E% K$ _9 P; bymax) [/ G9 M; S) R7 {2 q) V! j) W
global-reputation-list
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' U$ R: p/ e! o5 C- H. h* G! Y8 p;;每一个turtle的全局声誉都存在此LIST中0 j5 v5 e7 r1 R* `$ M
credibility-list9 `4 i8 g( Q8 ?" J! s
;;每一个turtle的评价可信度$ I4 {: [& i7 _
honest-service2 ^( U6 @$ ^- m3 J
unhonest-service
' P* s; D7 J9 U0 i& S/ Loscillation' x' }4 {) g( i6 C. J4 ^) |8 h
rand-dynamic4 Q4 K, B! l, L+ B
], [% E) ^4 B8 w$ f6 z0 s
+ k D9 \2 a, R. _+ U
turtles-own[0 w# \( ~! [, [$ `- S- Q
trade-record-all
, j# p p6 B0 {* Z* Z9 i- Z;;a list of lists,由trade-record-one组成8 w* n0 B" h* P' ^/ Q9 `
trade-record-one9 B+ r6 E( u: S3 Y) m) F
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# P) z: B, Y) U1 d
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;;[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]]
0 r5 k6 R. y, ?trade-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]4 P- n* M% r' b" y" |* d) y
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
$ Q" ~* j \6 F8 lneighbor-total+ N1 K8 g1 O& \# y
;;记录该turtle的邻居节点的数目' c2 v- G3 F! ?& E4 K& Y3 y
trade-time
- E! P, r/ M3 D1 q) V8 _;;当前发生交易的turtle的交易时间# D i1 F/ E/ n& X
appraise-give
7 V4 {3 R+ ^, m- Y/ \. |;;当前发生交易时给出的评价
( x5 [2 q5 {' _$ [/ vappraise-receive
% K. N7 _9 F2 E;;当前发生交易时收到的评价* |" m- r- f3 Z/ `! h( Y0 ^
appraise-time
2 o4 @ x/ Z! q0 N;;当前发生交易时的评价时间 }- t9 e7 T3 i0 O. ?( f# u
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 V c9 N" z+ ` etrade-times-total7 N' t% Q( C; R2 z, x+ `2 b7 e) Z# P
;;与当前turtle的交易总次数
/ I, e% ?! Q+ C! @6 Htrade-money-total- B6 b7 u7 G; E8 `9 e, r" Z' Y* Z
;;与当前turtle的交易总金额
& }+ Q- H; z. [+ Z; X- z+ }2 Q. o* wlocal-reputation
: s8 t* Q$ l5 x, Yglobal-reputation* p$ X0 g" n1 Q" m, a5 H, _
credibility
' a* S, V5 v8 P' J2 q0 g;;评价可信度,每次交易后都需要更新3 @, E/ L7 A$ ?
credibility-all
) L. A0 F- M/ {5 p0 b5 P;;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5 R+ o- y: G$ ]1 e
! g" O8 |1 A6 A/ ^, X* w9 A;;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
% s+ G5 a+ Y9 W# t# ecredibility-one. T2 Y% ?4 a$ f2 Q9 a
;;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
4 o+ d3 m5 }) x! b" f, k8 Fglobal-proportion
: S+ f) F9 n6 }3 Dcustomer H% a) l! G% n: m. s5 G5 X
customer-no6 k) ]* u( K" [
trust-ok
5 f& ~. Y* [/ B8 ^trade-record-one-len;;trade-record-one的长度
1 \" [% \# M0 i- p0 Z]+ K) F0 p+ j2 ]1 s
; Q3 N7 s r9 F6 z
;;setup procedure# ~2 U& }; m9 ?7 D
& w- q9 d' T8 k' ^: zto setup3 d. m/ R2 E+ p4 U6 \8 z: ]
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ca# Z$ h; ?$ F1 {
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initialize-settings# w7 b1 V1 v9 G' v+ w+ o- c
" L" M" N5 d6 R8 \1 S) Ecrt people [setup-turtles]- S4 q. A$ T) b& V, o4 y9 V& d3 }- h+ K
7 ^4 ~$ v, h. u/ A+ i7 J) Breset-timer
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poll-class! x* O( ~3 S" Z8 g4 P
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setup-plots( J! d9 U' e% `# r5 y6 A; t
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do-plots
- d9 t. p- c" T5 L2 a9 F9 Y4 xend) G/ S6 k. k$ x. `6 N
* X% w0 ] I( {, N+ bto initialize-settings
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set global-reputation-list []8 s, x2 g2 L5 J. ]. a
; J/ I. ^/ F! r2 ?' _! K0 H$ C7 tset credibility-list n-values people [0.5]
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9 |2 q0 b) L2 q1 X5 m( m2 K, a' z9 Jset honest-service 0: ^; g7 r9 E& W5 u: D* i1 I* ~
8 \" C0 h- P6 o9 B% S* |9 L3 B, p ?set unhonest-service 0
) X% m1 ~. P" P( {
- o1 X7 Q! l. f5 Q$ U, mset oscillation 0
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set rand-dynamic 0/ i4 Z* F! \) l- B
end' s9 x: i6 i" X" }, O0 {
* R7 n/ `' `( C* n/ I! S
to setup-turtles
) s. y, t4 [8 J( ?! v% T! N8 l- jset shape "person"
" o! k5 M) b& Y2 gsetxy random-xcor random-ycor7 r1 t8 d$ D7 y. l* E* r( p
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)]
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6 h, D4 c; E! w3 Sset trade-record-current []
+ V1 B* P Q) g4 i4 [& rset credibility-receive []5 K: n, g2 n2 o2 h
set local-reputation 0.5
8 P& f5 u! l; S9 b9 ^) lset neighbor-total 0! Z7 E, q u# I8 ^) X% O& @2 y
set trade-times-total 0; S/ R, T ^/ I# T9 z0 _
set trade-money-total 05 q- T/ b, W9 ?+ Z. `
set customer nobody2 A+ p% A" G. p. `2 R
set credibility-all n-values people [creat-credibility]$ M& T- j* ]4 ^8 C) l
set credibility n-values people [-1]
; F/ h! B9 |7 `- }' d. `get-color" P8 F0 E% n% c6 `+ _
/ U p, l, t) `4 Uend+ I3 g! U/ S/ _# w8 h
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to-report creat-credibility: V1 F# Q4 g5 Y7 K F _5 \
report n-values people [0.5]5 ^! {# e! K. l( V/ R, [
end
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to setup-plots. K# b; l3 p& T0 E+ V
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set xmax 30; P- e( l* Q) l, I; A
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set ymax 1.0% h3 @! \7 k! N
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clear-all-plots, P3 g1 `+ o$ P9 C9 s1 E
$ X6 {. G/ Y/ ^2 e; psetup-plot1
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setup-plot2
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) C/ i9 [5 ]( q6 ~+ N; Rsetup-plot3
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! J1 r. U$ h9 v; v6 w
;;run time procedures
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to go
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% Z) M8 [' [* `+ W7 C3 d4 Dask turtles [do-business]5 X8 E- i/ x& |0 O% B2 A
end) j' c( J2 G+ \+ R' W2 f/ g+ n
1 u" j0 X9 F/ U' v4 N( \
to do-business
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, g! f( A/ @$ `! s- |. O5 Mrt random 360$ ~8 ~0 _8 W3 b% K$ D3 P
9 ^, U3 E0 {# h+ \, rfd 1+ r# K8 m4 N7 {# q* ?3 c$ d* ]
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ifelse(other turtles-here != nobody)[, c8 g- S/ E6 p: m/ \4 p
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set customer one-of other turtles-here7 Z8 n6 i( ?( Z7 ?6 X# P7 @
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)4 Q' e" n. y2 I! S- ?
[trade-record-all]of self
$ L$ r5 c% h1 O6 w7 o;;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)
. S9 X" [1 q/ G4 [! i: a$ T[trade-record-all]of customer3 L; D7 M9 t" D' O6 h
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set [trade-record-one-len] of self length [trade-record-one] of self
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0 L8 c) k5 N8 U3 f9 {0 K5 tset trade-record-current( list (timer) (random money-upper-limit)), O3 N" N4 l0 K' a4 B
, w6 B6 ^) ]# s" |3 K& G/ ?" i
ask self [do-trust]5 `# z- x6 [& \$ d( j" M$ X
;;先求i对j的信任度7 X- \6 P5 H8 l! w) D( ~
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if ([trust-ok] of self)
& F; q' I6 {# ?0 q* B" M. i;;根据i对j的信任度来决定是否与j进行交易[+ ]7 e* C! M) W9 u" D& X
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself' d) f9 y# o1 x$ P
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?" Z# r: f: T! O
do-trade3 B0 g4 c$ v0 Z. T0 I/ r
* [& C- E% s+ x6 \" z( b6 Wupdate-credibility-ijl
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update-credibility-list
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update-global-reputation-list
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/ z( }' {8 _4 x* epoll-class
4 s4 u+ F5 A0 A1 H* y1 Y/ K/ r r8 I0 k3 ]
get-color2 a* x9 ]/ a4 y. |- L
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]]+ m8 R! N' S1 k/ k7 `, a
/ k3 D/ g( F9 b6 W0 G7 T;;如果所得的信任度满足条件,则进行交易" u d* J; S- Z2 S
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) l0 @) L; G! a5 d' b6 H
. B* Q7 J/ B6 @- art random 360
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9 i9 |# ?, J" W* j u9 s% Pfd 1
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]
3 _* a0 y" \% F' p0 s, o) m6 _8 _; {& o" c
end* d3 f5 l& z" A9 J
+ M( S* J' \. ~to do-trust
% i0 q6 h2 }- T; @set trust-ok False
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}+ p: _ \& r- J+ y( U/ llet max-trade-times 0+ B: w3 |- S! \; }2 S
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ k. e6 m0 _6 b8 }. A( @9 u! O
let max-trade-money 0
* m- F9 C7 t& b1 mforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] q) c/ S" ?+ c# g* I8 i& n7 Z2 N
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
; V: f; ]4 Q: F8 _$ [9 ?& S
8 V" f7 T5 C5 w5 X& y: w+ N! Y$ M# t" u" \# Q7 [) ]& `
get-global-proportion
2 h6 t6 \6 x) K1 Jlet trust-value
1 a; {$ L+ T! t7 olocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
, q; h0 y7 b- t6 l: Zif(trust-value > trade-trust-value)
7 [% d: R2 l0 H0 i2 C[set trust-ok true]* \& c( Y4 e" `0 u. L
end
# i' U9 X, e" Y, P, u. |$ f# A2 [- ?% z- [2 B2 m
to get-global-proportion
1 ^3 ^ A$ }# B+ C4 V; d1 {3 {ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- w4 l; a; J' T c
[set global-proportion 0]8 ?) v4 A: T" S6 b& \1 d* w) Z
[let i 06 W. [4 z5 N, V ?' d
let sum-money 0
' q$ `/ M3 U$ I; \9 }while[ i < people]
+ `/ ]" t* g- J[
2 b- H4 \; V* h; Hif( length (item i
2 L- _+ S% v( x x, n4 \% X ^[trade-record-all] of customer) > 3 )
_0 Z8 M; O& g[
% E- D) j# Q X9 [( o& e( J% yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))* j8 _! U, g: J
]
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* }4 i$ ~# {* B7 u1 q& N4 _8 g9 X$ ilet j 02 W* h9 D9 [" p1 x3 d
let note 02 {9 e/ I! e \, \, N, L9 U
while[ j < people]
( V5 T2 J, ^% S! j[# c _) B( x* W8 Y2 r
if( length (item i
/ F5 J( u, A) r+ g F[trade-record-all] of customer) > 3 )( v. n8 ?4 [' v9 V
[2 g2 M$ Z$ u( @
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' v% W$ b5 U7 g: F' c9 l& G, c X[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 w% g7 [+ ?3 [ h; ` w
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% q) h8 e5 l; `6 y, p: n& K0 D]
( P1 ?. G- o* z( f" D2 t! C: d]9 [' |% b5 M! }3 I
set global-proportion note
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$ @' x. W4 O, w1 f. m1 y9 Z Send
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3 q& u2 K- B9 h5 L! Lto do-trade
9 A* J3 \, E; D O;;这个过程实际上是给双方作出评价的过程; E+ S! \1 V$ a3 n
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价; |" X$ C+ P/ I& S% F
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 N# r, s& m F4 ^7 g- i
set trade-record-current lput(timer) trade-record-current
' E2 v @! u8 `! ]6 \, k;;评价时间3 X; P# X' ? d+ w! X. L
ask myself [
6 b! ?2 G7 T% X/ [9 X. supdate-local-reputation
* Y) D6 y; p$ f- w: Rset trade-record-current lput([local-reputation] of myself) trade-record-current
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set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" T$ v3 }) c$ E3 {% @5 t
;;将此次交易的记录加入到trade-record-one中7 S) P* T+ X2 p5 N4 S6 ^
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
$ m/ F6 u( G8 b' O1 u2 t! Ylet note (item 2 trade-record-current )
/ M' Y* F! Y1 K8 wset trade-record-current2 G* Y$ w7 ?+ F% C( V
(replace-item 2 trade-record-current (item 3 trade-record-current))
9 j) {( R* p0 I4 L: Lset trade-record-current/ v+ @8 e }. {4 R& y
(replace-item 3 trade-record-current note)$ x b( Q$ \2 d: z( C* ~! \
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/ \ c1 ^' v7 |9 Hask customer [0 d* W4 G( @6 `7 h2 I& k
update-local-reputation- p( M+ N" t8 e1 B: o8 d" G
set trade-record-current
k% [7 f% S6 N7 z, x(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - R. ]6 H z& r8 ]8 M4 B
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer& d. b2 \" o' y
' j7 M6 S& v0 b; R1 y
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))$ e8 u0 F8 F# _9 C1 f$ C& s7 a- s; S
;;将此次交易的记录加入到customer的trade-record-all中
. B/ t2 v9 D1 N Yend3 _4 D/ U, n }6 Z
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to update-local-reputation; @- k% o% s- s6 U
set [trade-record-one-len] of myself length [trade-record-one] of myself8 ~# ]- x" G# U/ _
- `+ C! {% C6 ^! a1 B
+ }' N+ N Z5 k3 T2 C;;if [trade-record-one-len] of myself > 3
/ _# X4 d8 i8 z5 kupdate-neighbor-total
( p' c% G) D6 l1 o. |;;更新邻居节点的数目,在此进行
) h: }" m3 O+ Elet i 3
6 I M+ |% v' E1 R$ Clet sum-time 0
$ Z$ B; a* G. n4 x8 Ywhile[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) )
7 f* I3 a) |6 Y! Y" [set i- ?- r8 b" o) F8 l0 {
( i + 1)
9 e$ K2 s' @1 z]
+ g+ X* Z* O( T/ M3 n2 v3 O& ilet j 3
7 H5 K) B2 a; m; q" glet sum-money 04 w% G3 @/ Q2 d: p6 f
while[j < [trade-record-one-len] of myself]- e4 ^# m: q: n+ T1 U' y+ I4 ]
[
4 K! G8 G# d& u, Vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
, f# n' Y: M! W% Y2 `set j
; w' u" C5 D9 R& S$ l, J( j + 1)
6 k3 y- v& l+ c3 N! ^/ \' E+ [8 X]" Y2 i9 e# \- ?
let k 35 E( t7 P" v/ C. Z
let power 05 u+ `+ s4 i& I* b& ?
let local 0
5 y' A* l! }/ E* p, b$ k/ [while [k <[trade-record-one-len] of myself]2 n; q& k+ @; Y
[- j$ x( C9 R/ F. x9 Q
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)
+ {$ D0 O* s( V9 Z( ^set k (k + 1)/ G; {. N: z6 G8 D! ^7 H3 }
]
* H, w7 p" H9 S: a3 a% [set [local-reputation] of myself (local), g$ j r8 x J/ N+ B; m
end0 z" [' c- @8 M+ A8 y
! A0 {( a4 g& u, u3 hto update-neighbor-total
! [( a' X% n/ C
6 U$ ?5 D0 {9 l5 ]! N; a' S6 vif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]. A5 f3 j8 H. J2 i
8 w% ~2 Z# X8 K% I/ X
: _9 @; A' \( @9 C5 }/ h+ ?end9 A1 `# L" T; m7 K
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to update-credibility-ijl
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8 I: f1 \! T# ~. j& o;;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。
1 Z5 C: T% b2 k* d, K! Elet l 0
- q R1 S, L' u: W. qwhile[ l < people ]
! A8 |, H$ D$ a2 _;;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
# o w" ?! K* S[
9 r8 F) U* j& }! \$ \let trade-record-one-j-l-len length item l ([trade-record-all] of customer)" B7 W9 g Y8 G( _
if (trade-record-one-j-l-len > 3)+ O* G1 B3 @/ X, h9 H# }6 \
[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
, Y* u0 r! m2 i" U& T- Flet i 3
4 y% i7 T$ w( l" Nlet sum-time 0: F% i& r4 S5 d/ c7 j/ v1 X
while[i < trade-record-one-len]0 M+ w( `( B( W& A W7 s; B
[
+ I( b; w8 ]7 a, }! J$ X' t# cset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 ~- i$ j5 R2 C& R1 z
set i$ e7 A) E5 Z/ g
( i + 1)
- r% o& I8 P) b- ~3 r$ M]4 e( o0 P# {5 B, Z
let credibility-i-j-l 0: v6 k* O( V2 u' A8 ]
;;i评价(j对jl的评价)3 F6 Q4 B# f8 q1 b1 z
let j 3# f: O8 |& ^+ }+ Y
let k 4* |7 \' u9 f5 _; \
while[j < trade-record-one-len]! R* Q# c5 ?) j' d$ C
[
+ v" j& _8 p9 C" \' C' fwhile [((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" T( q# Y6 Z) {! }8 v6 M0 r
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)( n$ U4 @, c- Z
set j5 T: V1 z( s' r8 H
( j + 1)
' y! i+ M, V- O0 m7 F" q8 H; G]6 k( r+ Z$ C5 O! h0 R3 r
set [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 ))
$ J& k% r8 C; o k* ^$ [- U" r3 f8 {8 ^# o) S4 u% G4 N5 C5 R
6 u! W0 W& Z$ K# Nlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
. _7 w% o* }& S9 ?, Y- I4 b4 d;;及时更新i对l的评价质量的评价* r, t8 ^0 e1 M F# ?) u5 W
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ], ]' Q j! L# ]% |- k, ?0 a3 ?
set l (l + 1)' G, Y: O6 E/ c5 ~
] O+ \7 h- h5 i1 D& ^
end
" F. {/ h) U- s; j1 o2 s$ X4 \6 z( I1 u2 C/ T
to update-credibility-list
4 C& G% a5 Z! \. P7 L. n* g8 vlet i 0
. z" C7 \/ q! b( B9 W7 Jwhile[i < people]
# [" g: `& N2 } y0 P[( H' _; b8 U& j* D) |
let j 0
, |# b& h3 W! j8 q7 qlet note 0( h# D+ v: W9 i% D
let k 0
. @- M* H* L2 Y;;计作出过评价的邻居节点的数目& g9 j5 F; ^- ~0 o/ f0 L( w$ a! u
while[j < people]
) c* U8 d/ k: ~% [& d[
! J f+ V7 H+ {) S! F( oif (item j( [credibility] of turtle (i + 1)) != -1)
. p* f; W4 w% u( E* G7 L, g;;判断是否给本turtle的评价质量做出过评价的节点* M: \/ _) n y1 ?4 a
[set note (note + item j ([credibility]of turtle (i + 1)))2 w' R. j W7 ]2 l$ k- i
;;*(exp (-(people - 2)))/(people - 2))]
& U8 ]% K, j* o' U& M. f* Yset k (k + 1)/ {- O4 J# y9 W
]
u( }9 \- m" w/ o8 Pset j (j + 1)
9 @1 c+ A& f* y2 T]! J g+ I7 ~7 [
set note (note *(exp (- (1 / k)))/ k)& I7 i" D6 C2 y1 g* l& U9 q
set credibility-list (replace-item i credibility-list note). p- B' j* [- ] w' [2 X5 k m
set i (i + 1)
/ y- ]3 h) E4 `] s5 ]/ A" R, Z) @0 k0 A+ O
end% K$ _1 v" M" o5 `4 E( Q) k
) h! l" p" W# m* k, X$ Cto update-global-reputation-list" g* [7 V6 K ]
let j 0
; u% H+ ~5 l! f. \. {4 Iwhile[j < people]
7 ~" {9 N- |! S2 }/ B$ |[
9 {" ?' j( E( U/ P9 Vlet new 0, p( {+ Q2 P$ O0 W# f0 x: A. d
;;暂存新的一个全局声誉, g/ d6 d0 I1 b
let i 0
7 ^- L2 X# N8 p0 ?* {1 wlet sum-money 0
# b4 w* z3 k4 t& U" n+ a, klet credibility-money 0
+ q# k' G, A S" w% N: Lwhile [i < people]. y* T! A9 g Z' m/ t. x
[
# C6 G" e4 C9 C: \: l! Y0 Q: Xset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 L3 e1 ~$ p1 O6 f, g3 }
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
/ ~+ s4 B. C) `$ ^8 g9 }set i (i + 1). a5 x8 V- M) y4 s3 w6 ]) S
]
$ X% [! ^/ g1 z/ @let k 0
7 m% t/ ]2 }- L( J m* elet new1 0
7 ] N# `; i3 Qwhile [k < people]
8 C, S0 Z! x0 @0 p# K[& y2 o4 @% q8 k
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)+ ?/ T& V0 l) A) W
set k (k + 1)
* I7 \, A# z) l: M7 v]
$ i' o6 K5 ]- q- U g7 bset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 @4 W. v; E- oset global-reputation-list (replace-item j global-reputation-list new)
0 A" b% A/ p& i) v" c! Uset j (j + 1), ?( I. G2 \, W6 o* D
]% \) z" R5 ~6 ?1 z. g
end7 S8 H* P% t8 Z" {- ]$ \/ }
4 C1 w+ z: c: G2 N7 w/ L9 W( c% H% g. A
: W% x9 d! w B: g# l' W% K7 ?to get-color% [9 j4 r9 T; T1 l# k
4 ?4 g9 }/ M+ q/ l2 s( S0 a
set color blue% N5 G K$ v! T5 `4 s' U: b# g9 {
end% s3 x. M0 J! E/ X7 P1 [0 a
" J7 ?6 C. ]- N$ n; G: [" T
to poll-class( r- X* k# L; N, P
end% \1 {; [9 N7 d: L5 P( [" [2 [% ~
$ C) W/ }4 r9 e7 s0 _% |
to setup-plot1
+ w- P" p4 K, P$ c
, C/ {6 R2 x. ^set-current-plot "Trends-of-Local-reputation"( g" t: D! f+ G2 `" f
; X- s$ R. E' N" D" W$ v8 wset-plot-x-range 0 xmax/ C& [* |6 d& f
5 ^5 f6 ?8 E* _/ T' _6 l3 V/ Rset-plot-y-range 0.0 ymax7 H( \% p" i0 R0 ?+ T& y
end$ D2 \1 V% G+ Y
: K/ K1 _( ?; u2 P$ v3 Z* v% }to setup-plot2
) r2 d0 V' ?. j$ i5 w. Z7 b+ @; V5 ~! j
& q3 o+ Z; {) h3 P u3 eset-current-plot "Trends-of-global-reputation"
3 @5 ?& p5 p+ f7 e4 U. M0 d( i- V8 `% K( C& ~. q$ i
set-plot-x-range 0 xmax
9 S. H0 `9 k, A! p: ^! Y8 e
: U! N1 L7 K4 c, H: n1 C4 ^( uset-plot-y-range 0.0 ymax
' T: J0 g: u) A9 J7 s5 v" pend7 S! d- V( r; i& |: L0 w
$ V! G1 t( u1 t% I p+ u5 Fto setup-plot3
5 y. g! z7 l/ d7 s
: d+ o' B0 E& w* Y) n9 Uset-current-plot "Trends-of-credibility". P; h( z0 h3 N* S) Y/ D$ E0 D, q
/ c+ b4 A3 p( h: L" a dset-plot-x-range 0 xmax( U. [) W2 ]/ Q
8 t7 F( w& s2 A9 b& ~0 k& u
set-plot-y-range 0.0 ymax
0 T* q* F8 `. h8 n3 R5 g' Uend" N# ?' R' ~# Y# m: I( E
* _) R; P+ y8 o1 q1 Vto do-plots) V# S! ]# n, w7 o
set-current-plot "Trends-of-Local-reputation"
/ q" l6 g8 U3 ]" B& \9 R" G/ A/ uset-current-plot-pen "Honest service". j7 r' i* n; b) U
end
7 B( X) Y3 _- N2 B) b! ?
. i6 j) B: I I1 e) w[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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