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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
. g$ ]: d2 g6 Y- B7 bglobals[& s$ p' }6 P& d5 B
xmax
" r# s3 e1 @* Z, O q+ C- s0 aymax9 v) J9 b6 Y# D' ]1 W
global-reputation-list
e2 K% q7 a+ i2 I) w& w
) { C) d, d v W2 f;;每一个turtle的全局声誉都存在此LIST中
: J i3 E L. N6 O+ V! ecredibility-list
* F; ~. J! i- L/ @) i, I0 v5 b: u;;每一个turtle的评价可信度
. C" G/ @2 ?4 U1 ?9 _honest-service& V2 ?1 A& b4 R4 J! G6 O
unhonest-service6 O/ R) W6 X8 Y
oscillation) x5 P# A& q( \
rand-dynamic4 |( P4 ?6 N+ Q0 ^4 G( [' n( k
], o0 R% T4 v" e* P% W
( Y' M. g- J# v9 s9 E. J7 T; i& ?turtles-own[
" l g# _) ]8 \9 h7 `/ t4 Ntrade-record-all
9 |1 h S9 {' ^;;a list of lists,由trade-record-one组成
8 l3 h& [( Q. s$ Dtrade-record-one
+ E) U' }4 w0 u( e. T# ];;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
& X( C! B ~' C8 W8 B
) e9 r4 V$ z' M* P$ k7 N;;[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]]
6 q# C- K4 v; U1 c- X5 J2 \7 dtrade-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" o9 Y! U! G; ^3 v' ?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
# O2 ^1 x8 o" N9 a0 g) k0 fneighbor-total& }3 \: H! p. z& b! x
;;记录该turtle的邻居节点的数目
: v! q s1 @6 f% q6 T4 H! `* Etrade-time
1 B8 Z) K0 m" ?! _+ d D;;当前发生交易的turtle的交易时间8 M4 y. y+ q+ Z8 J
appraise-give
* o9 U1 v. y9 P% R( L& W6 m7 B;;当前发生交易时给出的评价
8 n" S" @+ r. Y4 x r& W) Bappraise-receive
: l- x; T$ e* ]& Y; n$ T8 Z;;当前发生交易时收到的评价
% ]- c7 a; r7 _. z2 g) G- c3 `appraise-time- ^3 B# ^9 b* P6 Z; u: R1 W
;;当前发生交易时的评价时间
: b2 I" L; j6 Q- Y7 @, z3 Hlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
# Y& p! a- j1 l9 |trade-times-total
" p% ~$ v+ w2 c1 C;;与当前turtle的交易总次数
! A/ i! h! v0 q1 }: s; Atrade-money-total& e' @: T( f; q+ ]& @
;;与当前turtle的交易总金额; n* ]0 d. |% T* g: | s/ R" `: q/ \ \1 \
local-reputation. A* I/ Y3 h4 y3 l, r4 q8 d$ J
global-reputation
0 `) C! ]( ^# | S( g! A+ M/ V- |credibility& d5 O# Y4 |$ u0 Z; p& A( V1 D7 ?
;;评价可信度,每次交易后都需要更新
; F! s# c, @( q: _credibility-all
( X/ P/ h/ G/ P p7 s;;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
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" p2 [; X8 R& n5 ?/ }- o8 @$ S;;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; ?& v8 H' D6 ?5 [; C3 e/ v
credibility-one8 `* f. J: `- |& `* c
;;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
) r6 |+ b5 ^3 O9 |, T% `global-proportion
$ l' b4 C9 C/ c4 h( C @0 T- Zcustomer6 H9 V, \ ~. u* ?
customer-no
" k' |/ _1 g0 Y# ~7 ^2 e2 Mtrust-ok
6 V F# r4 ^ w# s& x/ W& Ttrade-record-one-len;;trade-record-one的长度
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. z& q1 P& \, q8 t0 g;;setup procedure
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% ^. p) M& |: _5 |# Y) {4 Mto setup: f7 x- F# Z0 ~3 h T
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ca% ~8 n+ a p$ a" x' ^
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initialize-settings* O4 b# N" [0 a. e' Q0 Z- @( O) W
! }7 N8 a( g! c' |& s) H/ Ccrt people [setup-turtles]
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reset-timer: b% [; d' V6 O2 j
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poll-class. @: u0 c/ B. `8 g. M
T' y- w" _6 f4 q
setup-plots3 \9 L& _* L0 A
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do-plots! `8 i% q: P/ S h
end2 p# ~& o$ @- O# \, Q; d1 f
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to initialize-settings
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; U I% n; W! r! n, Vset global-reputation-list []
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set credibility-list n-values people [0.5]
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set honest-service 00 Y2 K- v' H8 y7 ^
r- Y" V0 m4 sset unhonest-service 0
% ~, z+ D% Y9 d0 G6 ~% i: d: B5 S. L4 Q$ Z/ S
set oscillation 0
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set rand-dynamic 0# f) V* e+ ?" p6 n7 h5 w0 y
end7 j' V- }1 K+ z7 U+ ^- ?
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to setup-turtles
5 O( ~5 C! m5 g# u7 Jset shape "person": Z$ {: D9 [% L" M0 O
setxy random-xcor random-ycor
( ~3 ]; {9 l" d C) B4 R$ aset trade-record-one []8 I& j% ~& \7 g7 a
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set trade-record-all n-values people [(list (? + 1) 0 0)] - K; |- X% a8 g7 D$ q" R% i4 ~4 P
7 \+ M! S/ N# K+ k! y6 y/ @: \
set trade-record-current []# D. J. Z8 V% n1 V7 M
set credibility-receive []
* |1 d3 Y2 \6 n$ y1 p, V, b% M9 Pset local-reputation 0.5
; J$ z# X& o8 Z' l' Mset neighbor-total 0: v9 M2 V$ y5 T2 Q1 k
set trade-times-total 09 M) v6 r4 p6 M4 i6 F! u4 M6 g
set trade-money-total 0% j. W" d4 f9 F
set customer nobody' J8 x& K! Q9 [; g k
set credibility-all n-values people [creat-credibility]; \# x2 L4 w0 C8 h
set credibility n-values people [-1]
; i: g' h6 z: ]) l7 _get-color/ P/ J8 |& L7 D0 [# H: N
: P/ F, Y+ O& ?3 K, u6 r1 hend. e* y0 V' t' ^; [# V% _$ G
/ x V; p; I, q: Q2 M7 _- `+ ] S
to-report creat-credibility/ }4 b% D2 m# w3 l
report n-values people [0.5]
5 D$ O, B. O. u$ Pend9 j% r8 T5 Y! l
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to setup-plots; K6 r) D6 S+ M5 m3 s- k* c6 z0 Q
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set xmax 30
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9 }9 d9 i+ P- m0 h, i! J$ `3 xset ymax 1.0
5 Q) \( Z; P& P/ J) l# ]
7 ~1 G. D9 x( O9 h0 j {clear-all-plots
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! F& Z& U; T3 a1 R4 Qsetup-plot1' t- z7 y. }9 i) z/ a! I
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setup-plot2
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setup-plot32 `( X* _3 A. B8 L( G- r( T5 {. S2 ^- N
end. W9 K; I5 }6 e; u! V1 l4 ?8 v" c" _
; h- @+ g( U$ M% M" q
;;run time procedures
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to go3 u* s9 a) m; D& r1 p
6 {" a6 u, {( r2 V6 w" Iask turtles [do-business]
+ q( S$ U* N( o; ^6 I! yend: t; @* T4 f) ^- T. u
- b/ I1 |$ o* K/ t4 W" T9 Lto do-business
- L* N* \( ?- y
/ f6 [6 m/ u5 t, K/ f! y6 c i3 _9 d! ~ l
rt random 360
p6 ^6 U8 y; w! e# L& Z$ Q
8 B5 |) n- }1 E* | [fd 1
* @# i) S3 v3 t) K3 q" ]( q
' b/ X/ x `1 ^ ]: G7 [+ N$ C2 Tifelse(other turtles-here != nobody)[ k8 i V, f. I4 b5 N
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set customer one-of other turtles-here
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7 |# |1 q3 n7 T' e1 G" G% l;; set [customer] of customer myself
Y0 U4 o, z. X0 X! M- R" _# R7 }3 f% O, |6 P) @9 B& K- _1 u
set [trade-record-one] of self item (([who] of customer) - 1)
; Q1 R" Y6 [1 B0 A! l9 ?[trade-record-all]of self
1 ?6 o, M: f/ s. m) Z;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self" e2 m. ~7 i7 r( o3 O+ h
1 m2 o4 B) Y6 Mset [trade-record-one] of customer item (([who] of self) - 1)
0 j1 i0 ~$ R8 z[trade-record-all]of customer3 B) T9 d7 U7 \; ~
0 g) M ]& q; _4 H6 I8 m) T
set [trade-record-one-len] of self length [trade-record-one] of self& D* F; Q7 @' J
* k+ l/ u/ n- Dset trade-record-current( list (timer) (random money-upper-limit))3 r2 b; \1 v% w
; \/ h" s. ]* W( ?% b0 K
ask self [do-trust]/ u: x! G7 [ |( d
;;先求i对j的信任度
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if ([trust-ok] of self)
1 K# P/ ~7 A& I;;根据i对j的信任度来决定是否与j进行交易[1 H$ ]. `1 \) a; D I+ n
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[9 w5 Z; L# K ?7 h7 f& W
" { H& q k0 o7 e1 [2 T" a% \' D& _
do-trade
9 n7 K: G/ O* V8 m
: i s3 e% f' P! bupdate-credibility-ijl' @8 B1 x3 r4 I, _) m& d
7 M9 f# e6 Q; S( F
update-credibility-list
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update-global-reputation-list/ A5 \% I. Y4 u# e
. y9 G' x) C, Apoll-class
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- X$ }8 b8 j: ?( s% d& fget-color
' g' w7 x) C) V/ w
$ b7 s' \+ ^8 j* w. k]]. E" h4 a; F' d3 k1 M9 w4 x
: M/ b# X V7 D' G
;;如果所得的信任度满足条件,则进行交易
3 ~# E" k- B; o6 P) b) P
6 Q* R4 @( z; L. T1 E+ m. O[* V6 {% P7 n1 _
" x1 n/ r" K* i; G6 n z, |; h
rt random 360' _( z6 ?. V! }; l- v
0 `9 Z. D0 m2 A, g' ?
fd 1
1 }& F& p* n: `( q* M' Z. |% P5 W" J1 r3 ?5 ~
]! E2 J6 Y/ F1 }! f+ t8 a/ Z
" }8 D" |: d: F6 i6 v
end$ o% _4 B" ?, [$ A& q
! b8 ?! k! m: r7 Q- K/ Gto do-trust
# V* m7 s) @8 M/ U7 K( Iset trust-ok False, k5 K% T/ L+ i* A8 }
) @5 l% V5 A/ Q+ Q! q" T+ q
- T4 _7 ], Z" j/ a4 p" @% W
let max-trade-times 0
' m2 @4 @' m$ g' U( C+ L7 Yforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]: ?9 I# c# o+ A8 }, x5 u
let max-trade-money 00 T1 B+ M0 b) g5 a9 N
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]& ]- z, m1 q9 j4 k
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
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get-global-proportion4 M$ U( z; X! z; _* M: s* H6 I' l
let trust-value3 e- D. K/ S2 d- D1 K
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
. [6 r# ]* s+ v, H' C6 r% \) dif(trust-value > trade-trust-value)
q, h3 C5 W8 P. a W9 C[set trust-ok true]
' @! T* c) g# g9 N, n8 r+ L eend
9 s% h7 Y3 I3 h7 s& r! t0 j6 t9 {* q+ _
to get-global-proportion
& F& ?) G5 P* T5 {ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% z- Z: u" Y6 s: u
[set global-proportion 0]
; d6 S4 A. r1 z0 q5 ^! ?[let i 0: w: ?+ _; K0 J1 ]* r! n, X
let sum-money 06 L6 o; j) i3 A1 C9 h% x
while[ i < people]) [4 h- b& D' w* _5 b) g" v+ e9 i& |
[: u# V! u& V: [1 G% m6 s
if( length (item i
! x$ Y s; S: p7 `[trade-record-all] of customer) > 3 )/ [9 `- v0 i% M! ~
[
0 a: k' I7 ]% z$ Xset sum-money (sum-money + item 2(item i [trade-record-all] of myself))9 i* N% t% N. l* j$ l9 n
]
% O& N H% S: {5 I( _]
! F( i$ u4 z0 w7 Y' v9 A% Jlet j 0
$ N0 m- h3 m/ \8 x! E/ ]- k2 ~let note 0+ R+ K) f/ B7 m! N
while[ j < people]
# ~' j" S# r+ r1 A[
" h5 d. o: A0 e0 vif( length (item i
% J2 M2 S: m* I# a: ?$ j[trade-record-all] of customer) > 3 )% E* v4 m/ @! i2 L
[
) ~8 x! \+ C9 a# A' Difelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
" d3 c, D2 {3 m: O6 ?; L G[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% K( o' [" t0 k F, T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& M6 g# I0 y- ~
]
) f6 c) P4 k. M# z" v. b]
6 o; L% G# i5 y. w- R5 Kset global-proportion note( h4 A* z- L9 h' e8 |/ h) X% b# z& D; `
]+ R" d/ j- o+ ~* ]; r
end
: _% i3 L5 c: B/ }3 ~9 J& E6 u6 S. D( I) R8 p y$ m0 h% ?, Y* E
to do-trade
@) }$ a- Q% N% Y; l4 b; i3 P! s;;这个过程实际上是给双方作出评价的过程
& k; ~9 ?( |* i ` _2 x* qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) B- J( s' f/ i' `- B7 Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
5 @' ~$ N, [& A0 l& t, e9 N, y& Y6 L- Y" Hset trade-record-current lput(timer) trade-record-current
1 C( S0 h7 e7 ?4 J;;评价时间
. [) _ a, B0 ~! O3 H! f' D& P1 P8 L, t/ \ask myself [
' K, i2 B6 }2 l" M( Supdate-local-reputation4 u4 O Z2 u1 ^+ w
set trade-record-current lput([local-reputation] of myself) trade-record-current( K- T c5 ?1 [' Q, T
]
- I) q2 @) A+ r6 yset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# V% Z$ G ^# `0 K# u* ^
;;将此次交易的记录加入到trade-record-one中1 q4 D6 C# p7 Q4 _3 V& U
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
- C# U+ E' B4 z* s# w) Ulet note (item 2 trade-record-current )
; R$ @/ }3 {6 d5 eset trade-record-current1 X. B) p& m$ l! t/ M& N
(replace-item 2 trade-record-current (item 3 trade-record-current))7 H& u# g* w, X- K
set trade-record-current
! |" [! b& D7 L7 g2 b(replace-item 3 trade-record-current note), ?; J: p8 G+ |
! E# m& F: o3 F! H$ `
4 }3 |: [8 h# O2 }3 K; nask customer [
# D: J+ _, ^ p: O/ G7 `update-local-reputation
( ?! ]( I7 F7 A: r' J# @$ hset trade-record-current
! R) B- L( S }(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) , `+ p+ `( T! @6 Y$ a* w+ B
]
6 [" y* b) I8 j$ k3 W9 M
, z9 X8 H/ u {3 n* g: k4 v0 z# @3 l6 E4 y" @1 D! O/ p ~; f
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
) u5 [0 j8 q _* }% I
7 S# M0 W9 e' ?. T! vset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 [6 H5 \0 B9 k0 F$ r, G4 B
;;将此次交易的记录加入到customer的trade-record-all中
0 C$ j% b9 ?0 |2 w6 B s% V# Mend
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to update-local-reputation
/ }# r' [) e) x" Uset [trade-record-one-len] of myself length [trade-record-one] of myself6 B# l3 k# V* y; ~ [6 B
7 Q' q/ n9 z! o7 x
2 N1 j5 o2 W/ {
;;if [trade-record-one-len] of myself > 3
; {9 L. Y" `. E3 x7 aupdate-neighbor-total
6 l, E/ W; u- C! W, H;;更新邻居节点的数目,在此进行- y4 u9 O: k7 B( q4 l, g: q( ^
let i 3" W* |. a( g$ O2 z
let sum-time 0: {' Z& G- P3 u' P- g* s% {
while[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) )
9 q( {% F( R: B2 T- K+ J) u5 N0 w+ H( aset i" E! {" @0 }0 H$ g
( i + 1)
0 G, B; m' w, q2 J( b% j]5 X$ G$ I0 U! [$ W G
let j 3
9 }; |* `0 a' ?* r' M% O! Ylet sum-money 0
& M# U( }1 |; g% ^while[j < [trade-record-one-len] of myself]7 J/ }# k2 m& O* T& O
[; ~! T$ h, `* T+ Y; i
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)
3 h! `- r) {( Jset j* y. |4 B9 `* q0 t
( j + 1) g0 E( |5 {' y$ \& h/ C
]
5 N- w1 t$ [; u( I: H, P( Wlet k 3
2 J- I7 ^/ c/ X) n. dlet power 0* v9 k | e" i3 |, ] K. z+ b2 U8 m
let local 0
% r, w! d0 K, C* g. _4 swhile [k <[trade-record-one-len] of myself]+ v. S1 M" J* l+ ?( y
[/ }! H' X. ~; l1 A5 c. N
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) # b' t$ n" T0 H
set k (k + 1)
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set [local-reputation] of myself (local)4 I6 N ]& z6 W! X8 {
end7 x2 m) l% K/ H6 S+ Y
4 a* @+ E! V3 s2 v! ~* x! Xto update-neighbor-total
( c6 A( p6 x! V& G- y; N |1 h: b& m3 ]; X& }$ L
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end4 M }" O" f3 e8 _9 L; d! ~
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to update-credibility-ijl
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4 R: K) i) ? S; s; g1 i;;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。$ @/ o. e: A" u. w1 s) s, A; s
let l 0
6 \5 W* I* }' d5 B8 k3 N. M& r: ] mwhile[ l < people ]8 g. S+ s* m8 n
;;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5 n9 \$ l v E& Q0 o) B
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ P. O- m) k8 [" d
if (trade-record-one-j-l-len > 3)& @, y& _( ?( y N; j- {& p& {
[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' x w7 B0 Q j% D
let i 3
' K- w* _4 m, W" F5 }9 Clet sum-time 0# |, c* w$ P- _) z" B
while[i < trade-record-one-len]' J/ y: @4 G' B7 Z& a% o# d
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! L& m: ~( _( |' n Oset i
) B+ U0 @# g% ?( i + 1)
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let credibility-i-j-l 0- _3 r5 C; v& Z2 a% z& I! _
;;i评价(j对jl的评价)
- W/ d1 L/ |; |3 a, F5 c( Q0 Alet j 3( W) h: G6 B- W( n1 V( O8 f
let k 4
; U) P; I1 I# j7 bwhile[j < trade-record-one-len]6 G+ r, k# a4 f6 H2 r
[
. a6 G: u6 U5 m7 x) ~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
% @- n5 h8 A1 Vset 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)
& L' y' @. n1 w5 aset j
2 G" `& I! X y1 x5 t# N( j + 1)- ^) H5 B$ I$ u
], z, w' q) d2 ?. Z C
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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))/ `/ \% {2 Y; V' h( @) M
;;及时更新i对l的评价质量的评价# E# }& {; j$ k6 G% [3 H
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
4 {* z$ P) w4 X! w$ _4 xset l (l + 1)" Y1 c6 B$ p) S& i
]/ i0 [4 f% H, g
end
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to update-credibility-list
7 p9 F8 U7 t% T# ]let i 06 J) M5 ~2 V' B8 {
while[i < people]
' ?- W0 r; g _9 U5 E$ `2 K. g[
5 t( [8 r! }; W/ ~1 ?5 M) rlet j 0+ @! }2 s# {$ `7 O: [' }! X
let note 0
8 _* u# b( H. T6 ]- llet k 0
5 k7 E9 }' q3 o4 c# A/ T;;计作出过评价的邻居节点的数目
/ R/ J* g+ x( C1 Kwhile[j < people]
6 @2 q; K6 M3 _2 H[
. ]- _8 ^/ U E }; Yif (item j( [credibility] of turtle (i + 1)) != -1); [0 J" L9 ~; J% k
;;判断是否给本turtle的评价质量做出过评价的节点! O# q& w: y4 W
[set note (note + item j ([credibility]of turtle (i + 1)))
! a; T) x% u3 w;;*(exp (-(people - 2)))/(people - 2))]0 d0 v1 d& A5 E- M$ a
set k (k + 1)
$ {- c' L: _2 Q- ]. u D]- ~. O/ ?$ y+ b3 j; k7 d
set j (j + 1)
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set note (note *(exp (- (1 / k)))/ k), a& w/ X7 U8 H/ m5 M! ~; N
set credibility-list (replace-item i credibility-list note). |: R6 k/ l/ v( L& C
set i (i + 1)) k; F* X" n5 m1 J5 T- e
]# d# ]& @* Z9 E s7 l) `
end' h9 j4 X6 D3 ]/ M5 Z
" w+ z8 e' s# v9 d* T, Q1 f. U& qto update-global-reputation-list
* b/ D: `5 G, Flet j 04 q8 } W* G; c5 D
while[j < people]
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* R% B' N. u# x* c/ j4 ]% F% olet new 04 |+ k# O/ J, {9 E" N
;;暂存新的一个全局声誉$ d# W5 N) l5 m7 m
let i 05 p6 k$ ]/ [. X! C' U1 v
let sum-money 0
; x; B1 V7 }. C' k1 j$ q2 Jlet credibility-money 08 X5 J7 w, J2 Z& R' e3 U
while [i < people]
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0 ?. s/ l, v& k) N' Z! ^$ E" V* wset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! M) I: ?5 M; L" M5 D
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
# @/ [2 g( B) i+ [1 _- W* |, nset i (i + 1)9 U: O% h0 d# ?. O
]
* n! n6 R; ?# Ilet k 0- I! \. y7 c& @6 Q/ }9 T
let new1 0
9 F# c9 B$ t+ d# N3 ~while [k < people]
: h9 r: S& g8 y% Q. _[
2 a$ x, G4 G f5 Z6 F9 H# A' Dset 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)' h' s4 w* h) J% N- y1 y
set k (k + 1)
- [$ G5 t+ N8 G" E: q7 l+ _]
7 {9 m3 L$ s. \# c+ H- H; ^ f, X1 F* Fset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 8 R( P. n- v M {) ?8 G' i
set global-reputation-list (replace-item j global-reputation-list new)
2 I! V8 M. ]: Qset j (j + 1)
" \2 i: j, @) P8 n8 [/ e4 k& y]
: e: @+ S% B3 U/ j3 q" ]3 Hend
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8 [3 k# L- l9 A5 t4 s7 C/ i) u7 m8 Y
to get-color
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. [) P* [. L0 r" P" }- Q4 x/ Iset color blue
" W! H4 _8 R8 D+ Y$ cend
F" _. x6 f( M% V4 _
4 ?* T5 N2 L: g! c7 Pto poll-class
" M: F: Y0 _4 d( y! s, m5 kend
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to setup-plot1$ M' V3 x% w/ Y& J1 z- S
$ B, l; j' m4 w& i& L+ {& o3 w# R
set-current-plot "Trends-of-Local-reputation"
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set-plot-x-range 0 xmax
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* T W4 d+ Q: l& b6 Yset-plot-y-range 0.0 ymax
# e+ h! e8 y3 y" Eend. I) v" J' G. \. t7 h* I. ]5 I
+ X( I/ n5 s7 x0 H" j& x9 `3 }$ yto setup-plot2
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set-current-plot "Trends-of-global-reputation"
6 p: r9 n+ h* C+ Y! e' Q" v' g" |+ [ ^" f( c9 i2 r
set-plot-x-range 0 xmax+ ?5 \% |! J( S0 L; p
' {; V# k7 {% r" z. n4 f0 o# \, K% fset-plot-y-range 0.0 ymax
8 B4 B& ~) h1 ^, j4 M& hend, g) O& G5 d, Y, X1 k1 O+ @) b
! Y/ u7 s' s$ m" C: v$ H
to setup-plot3
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+ j, H3 d2 R7 D) Eset-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax) ~9 r( P/ C E$ M2 v" x( H( Q, j
6 B0 l& `8 [ V0 X4 x$ O) M3 ]) S
set-plot-y-range 0.0 ymax
) j3 g, Z/ y) C% N2 {0 @end
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to do-plots, m* z1 P$ M% _- J
set-current-plot "Trends-of-Local-reputation"
4 N+ b. C3 ~. m. b. `set-current-plot-pen "Honest service"
- H$ P8 y# \3 X4 S }- }9 J `end7 y; B/ I# b) |- U
; s1 H/ \% }8 `5 Q[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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