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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. B4 a! z$ t$ j
globals[0 [. |/ c Q& C- N5 _: e2 n
xmax
" s' m/ c/ D* F! Aymax
" }, v( r4 E7 H8 @global-reputation-list% ~" w8 I1 X" r$ }$ u
1 y \( N6 e) t( \2 N/ ^' _! w;;每一个turtle的全局声誉都存在此LIST中
0 _3 z5 e4 B2 }# N0 d6 Wcredibility-list
7 `( C) n* k1 |* G: S;;每一个turtle的评价可信度
! w H, H( @1 r# k" t* J+ t* Q! Nhonest-service& N$ ]' v9 Z2 V; @
unhonest-service
4 n2 B' Q$ u V' H2 foscillation
$ b) _( X+ W6 s; mrand-dynamic
. s+ v6 O% g, R! w]
' J- @, _" l" g
9 Q6 D# \7 k- ~/ w: Wturtles-own[/ G4 h- {% S: }& J e" t
trade-record-all$ e3 f1 Q" q% J8 T8 p# c8 s& i
;;a list of lists,由trade-record-one组成$ R' I$ b2 a9 [+ B5 l4 Z( U
trade-record-one
% `5 m! t/ S6 y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录& \; c4 d: X! b1 O1 v% U
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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 W* s. q2 Q# [) S
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]
2 E0 s |& \/ f3 C+ n( C/ Y7 `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; m: T* U$ y: I6 f
neighbor-total
l& i o% A4 i2 a) V( y;;记录该turtle的邻居节点的数目! q9 @ E9 c }9 b$ G
trade-time
/ I* G+ G: b( `& ~7 R; G! j" H; q T;;当前发生交易的turtle的交易时间: T: R9 w8 A2 u' R, \1 r* Q- _5 q
appraise-give% V: I/ K4 _7 v& j. V
;;当前发生交易时给出的评价
& Y1 ^4 z# G5 R& {- ~appraise-receive: ~# x. X6 b; h8 U7 m. A+ u
;;当前发生交易时收到的评价$ \4 n2 G* `: K! u5 U1 s, L2 t
appraise-time
. M. c$ h7 r9 K- o& M( ]+ A+ T;;当前发生交易时的评价时间
2 A7 G9 |. [+ a5 H) D9 Plocal-reputation-now;;此次交易后相对于对方turtle的局部声誉5 h3 q8 S4 K% s1 A' |% Y* f
trade-times-total% O5 K3 ^- s5 y5 N
;;与当前turtle的交易总次数$ e0 u- `" S: v4 j9 L
trade-money-total" Q1 N. Q$ s0 S' d' o( J
;;与当前turtle的交易总金额3 F Q5 o- Z+ B6 [" S, A
local-reputation2 p+ y% [( E7 y" S* s- C
global-reputation
4 F! `! j/ f; @credibility( m+ n8 h9 G K) r1 J1 I. k' @
;;评价可信度,每次交易后都需要更新
5 q' y6 _, f9 \$ \! J% S( J! ^1 qcredibility-all+ y6 _# |$ x7 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
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;;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
- G1 Z( `: H6 q' e) s. G* ]credibility-one7 T$ d4 K+ {) l* [5 Y" W
;;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/ f+ E9 l6 m. E! W
global-proportion
# y; e9 r- U9 M* D- c8 Ycustomer0 G7 i4 g) _" e( S
customer-no3 X3 r8 m# D8 F6 L: G+ M; G
trust-ok/ Z! z6 m6 n% w# X
trade-record-one-len;;trade-record-one的长度
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;;setup procedure
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" u L$ C, y+ G% P; Oto setup
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ca
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initialize-settings, A2 u3 ~/ x1 @* O: b/ P) v9 U1 s
1 E2 M6 @" n: o icrt people [setup-turtles]
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reset-timer
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poll-class
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- [ u& X2 S& o: V: { osetup-plots6 u- x: S$ E+ ?4 k0 ?4 b$ _3 K
& n. f0 |% K2 y! W8 Fdo-plots
+ G5 Q2 W/ g# `4 v' Uend6 R9 G' _% t7 F
. L% R9 @) `7 |# y0 n, }to initialize-settings7 V% c j) y; {7 Q. H @
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set global-reputation-list []
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+ \1 E7 j( I" j% _' r1 nset credibility-list n-values people [0.5]
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: T1 [) h% p. Q9 N% g6 P/ \% iset honest-service 0
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1 m# e8 h4 N$ V; K! t, y# R" L, P" gset unhonest-service 0. X X, r$ v" i: F6 @
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set oscillation 0
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set rand-dynamic 0
4 V' I2 Z8 p1 C) G _3 n1 j. D: }end
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to setup-turtles
* @! b& Y! ~+ C7 H; T) S& uset shape "person"2 H+ G$ s3 n1 @: b* b
setxy random-xcor random-ycor( F. f" H( n# H' {% e/ g
set trade-record-one []& y$ K" q2 r& s1 A# y( ?
+ c" d: n# n9 [* L. T
set trade-record-all n-values people [(list (? + 1) 0 0)] & @" m2 ~, z+ F. O$ c8 V/ A
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set trade-record-current []
" {/ V9 ^4 t, |- Mset credibility-receive []
7 ]9 g- t" T% |& ^8 [- `# Dset local-reputation 0.5" K: O8 i- h N! c
set neighbor-total 00 l5 n- A) E& O# f0 R, i6 {; g
set trade-times-total 0
2 G: `& }" O; I( Q" d) j- V2 [- t( Tset trade-money-total 0
- a: n$ \/ x, x* J `set customer nobody% h9 b; j; Y) x4 I( R: W
set credibility-all n-values people [creat-credibility]
* ~8 [6 n- `- Q- ?set credibility n-values people [-1]
9 \3 C, \! u+ l8 Q# X6 ~get-color
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end% x+ O( Q% ]' e5 S
' t* m# f5 J R; W- T5 S" eto-report creat-credibility: g* O, z* d' N3 M* p
report n-values people [0.5]
) V" l7 V( L+ P4 Xend
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) [/ X: W+ R! K0 p$ n1 o* pto setup-plots
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2 Q- K* G" \$ r9 w/ z5 n* Zset xmax 30
o" C/ B3 I" s
( N4 Q9 `1 q3 o3 w3 ^set ymax 1.04 F6 G/ A# d$ s3 R) T" W7 V6 B
: s5 Y/ @7 t, e2 pclear-all-plots
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setup-plot1 P/ ^% y5 g x* N
4 e* C; q4 F. lsetup-plot2& D( {! c! E; d& f& _; p, h9 g
- z% E/ O6 R1 G! A9 Xsetup-plot3
3 _; s( K# X( Xend6 c5 W/ t1 g+ X8 `. s4 k0 K
' k! o# B3 N: V;;run time procedures& J# u- O: C2 D8 e
& U: T6 c+ r, d/ j$ i0 wto go8 t0 g# c5 E9 c2 m2 _+ @! f. }
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ask turtles [do-business]$ L" w" j% R, b8 t ^3 P
end
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8 c, o; _6 |1 R! I6 k* ato do-business
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rt random 360
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. L6 q7 f3 Q5 K2 {fd 1' I/ v8 M; K8 t! }' T: h# v' L2 w
" ? k' s0 f+ l2 q2 Xifelse(other turtles-here != nobody)[! d4 D: {& D {( Q1 v
$ Y8 k, R' C2 {% q8 i# @
set customer one-of other turtles-here. }" A0 ?6 @/ B! |. r
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;; set [customer] of customer myself. q4 @3 P; L- L( g& j
' \4 J5 i7 M+ P% U. P" Nset [trade-record-one] of self item (([who] of customer) - 1)4 V3 U) [) q% q c
[trade-record-all]of self
$ v' T) V2 M* e; `7 L;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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4 Z, Z$ _# m8 N1 A/ M; F! W: @2 \set [trade-record-one] of customer item (([who] of self) - 1)7 @' W- t; }+ Z( V$ Z1 G% H1 T
[trade-record-all]of customer" X; M/ {, ?5 r m, E
) q* S. m* Z F+ ]- H7 e% _set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))) ?4 W% H9 b- a
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ask self [do-trust]; P# k% r5 ^+ V& ]
;;先求i对j的信任度
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" w* v5 |9 y* _7 jif ([trust-ok] of self)
" v5 _5 t e3 v" P) C;;根据i对j的信任度来决定是否与j进行交易[
6 z3 x! k/ a$ Q5 H, nask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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( Z& q1 s: c7 Y6 F$ Y: h* N$ ydo-trade
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update-credibility-ijl, ?. a" w4 o0 G" u8 r O% R
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update-credibility-list
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update-global-reputation-list5 {( \. {! ~+ u- D
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poll-class( d& }, B6 a- r1 s/ {( V# @0 J
: B+ v# L G$ N& E) `get-color: ?) J& S$ c# P- i
5 f. ?6 G# w) z0 h. Y/ B3 O8 v]]
( y- E$ L4 \; F/ P& N& a/ E3 e. u, P% n: u6 ?. E7 h" K7 d5 j; @
;;如果所得的信任度满足条件,则进行交易
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[0 s+ p N1 \' h& W% _9 E: }
4 e. m0 Q+ Z ^( u" Z: L6 Yrt random 360
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fd 1
6 P# _" { ^# e% a# U# R4 p7 J5 y/ s8 [% ^' {& ^/ ]6 [* g0 t" ]
]
$ c8 q- h; g9 I$ F1 c$ e, F) X/ c8 w: \ @( a, p
end: j# `: \; X- H; C& _
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to do-trust
) P) _0 q2 V0 {set trust-ok False5 o+ M$ }1 I. e4 L) ^# [$ Q, d# O& n
5 L0 `# H8 g0 m* b) F. Y3 s' D5 n
let max-trade-times 0
- ]+ A6 v3 {/ r% Dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]! U5 {$ H. T8 x! {: {
let max-trade-money 08 l$ T" E6 }8 O! k1 y; ^
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# _, V) H+ |8 T) l0 e& L# X
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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& P+ _+ F& o2 _8 M
7 w% w9 F) o" U$ j+ [get-global-proportion, A& s! F. j0 s6 F+ ~* {- R
let trust-value E ~; @; s& R/ n) Y8 C, s% y: j
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)9 @$ @- {$ h5 r! L6 p4 \
if(trust-value > trade-trust-value)# M; P/ Q- w6 t5 ]+ w
[set trust-ok true]; A& s+ G4 X$ }7 L1 x q
end
! c. `: y0 q0 H
8 U$ Z- T! f- vto get-global-proportion
9 e' {% a! r0 A3 t( Z' E7 d6 _ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 U- j; L( V/ b# H+ h[set global-proportion 0]
( Q0 c3 ?# B* _% w- i5 h Q[let i 0
* j( C! u- e9 flet sum-money 0
& [3 { g/ N8 m) E( qwhile[ i < people]! x1 |; g- Y) ]+ b: ] v7 ]
[* ^9 W3 B& g/ Q1 `- b3 L
if( length (item i0 r% e+ h: G+ g; j* g; O1 ~8 C d
[trade-record-all] of customer) > 3 )( p! s! V3 f0 u* E& p- p# i
[0 T& j6 K6 o: R6 \' }* Y3 |
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))% v- a. U- T% ]. `7 n. N
]3 H/ E- {0 `5 ~3 w5 l" O
]' N& l( J+ L( j+ f7 }) W
let j 0
# l* e% F& r: P! Y6 }5 z! clet note 0
% b0 ^ r' X! Z. H% `2 F. G1 _while[ j < people]8 c( b5 t+ K3 F' \2 w5 O+ I j
[1 ?# K( n2 C1 ~/ f$ F8 {
if( length (item i
" b9 D& U7 T y. F' H[trade-record-all] of customer) > 3 )( G% `# Y3 p6 x0 B* u O, ]$ @
[4 W' s1 e# @7 Y$ o& v7 S
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& u, A+ O& `# D% F8 Q[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
: n+ J$ P0 l8 e7 r4 u I* D7 a[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
' c4 d ?2 L& s7 M! I! }* v]
0 j4 ]4 z. ^/ k# ]' B: x]9 x$ f% `. [( X* x5 Y
set global-proportion note
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+ r% R$ D2 z- Bend
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to do-trade% p* P G2 C0 w4 Q8 M
;;这个过程实际上是给双方作出评价的过程! t/ A. H+ _2 B3 k) z' _4 r+ l
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
9 F# k5 e" p0 D+ E) O9 Jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- m2 c' G" |6 _6 v& p4 I+ G
set trade-record-current lput(timer) trade-record-current& z& H+ U: Y) ]) q; V$ N& {
;;评价时间( }$ D2 {/ i9 L# h5 u. F, B
ask myself [2 F9 n/ }( _5 s( R+ d
update-local-reputation4 i I/ S$ S8 _5 r0 [
set trade-record-current lput([local-reputation] of myself) trade-record-current
V# U' J8 u- o( z k' S]1 L, a) S! `& Q* k5 u4 m1 V; ]
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 g) \ j0 q- H
;;将此次交易的记录加入到trade-record-one中7 S) a3 Q5 H- Z5 Y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 E" `5 `6 f$ klet note (item 2 trade-record-current )% n4 o' Q6 R) {: k. d7 l% X0 @
set trade-record-current
7 G- A) h: k( a& Q$ ?7 s1 Y(replace-item 2 trade-record-current (item 3 trade-record-current))' V; ]. N8 P. p- P7 B
set trade-record-current
! Z) \) R( O1 @8 }. S" b(replace-item 3 trade-record-current note)0 c" `( n3 O7 P1 F0 @, m
" Y2 [% k* [; e$ i) O& ]" V7 g
ask customer [
" j& s$ M5 X) x: j' N: w" Xupdate-local-reputation
0 M+ o% F& [, u& bset trade-record-current5 U; F. k6 X& E9 `" a' Z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 1 [0 f; S o8 G6 a
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 Y" ]8 c1 T$ {7 `0 c4 c
% d: J/ A2 P5 Bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
1 N; q7 R7 @) j9 l. w4 N;;将此次交易的记录加入到customer的trade-record-all中
, j8 ~0 U0 x4 s* i" T% A# {6 ]end
3 i) a, _# H: ]/ r/ Z8 H1 ]
9 x% U/ P5 }' `" K# v4 g1 fto update-local-reputation
$ q4 K# F: ^! }3 {9 |set [trade-record-one-len] of myself length [trade-record-one] of myself& U, x' A% n4 p5 `- Y* u4 ? z+ E1 H
/ Q4 k6 l; k y6 i% z# j
0 P! Q% ?- I, f( i4 o; \' }
;;if [trade-record-one-len] of myself > 3 & S. e: Z2 v5 w) @6 a. r, U# T0 S: J& p+ d
update-neighbor-total
% e* ^$ I: q8 N; C; E4 O# Z;;更新邻居节点的数目,在此进行) Q9 [, u: C9 M5 ^+ l
let i 3
( R b9 i4 }1 [- u( C" b0 zlet sum-time 0
; R" Z( {2 x+ r4 O: u. h" ^3 X$ Gwhile[i < [trade-record-one-len] of myself]
3 h7 o$ j- G8 Z, ^" ^[
% ~( V0 F4 u1 P7 h S, Bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
8 Q2 v' ]+ T5 T6 [7 E$ T# N( wset i
1 L4 j* W/ c( t* f" U2 Z" K' C( i + 1)
# |& W+ {& b {. q" {& R% j A]
5 g1 G' k9 ]0 elet j 3
9 W7 A9 g: ?1 D+ B& G" ilet sum-money 0" V( F" q6 k* [0 t; T
while[j < [trade-record-one-len] of myself]
! A7 l! m$ O6 }$ J, `' t4 Y: q[" K) e- P( N* e' X6 N- R1 N
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)
% b& E& `' Q% J& Tset j4 p+ X7 V: L; i! K; s5 ]- ]
( j + 1)7 z) E3 t# ^, @/ w2 y
]/ l/ m2 U0 ~! h+ E. l( F
let k 3
# V I# `. J. } P- Mlet power 04 p- a+ k7 i3 `" l( K6 ]
let local 05 q1 f3 y: ~$ J2 I! z
while [k <[trade-record-one-len] of myself]8 S3 n$ R) w, D' M
[
9 |, l& k, h) {' w5 W5 e# m" }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)
. g/ Q; c; o: T6 b. D* g, Nset k (k + 1)
2 R$ L! N, j8 f& [+ G], E- b$ Z1 C4 l) X
set [local-reputation] of myself (local)5 t E4 |, _9 t+ y+ P9 H
end
5 `' S4 b# D. D; O
1 D* F* N. K+ E% J, kto update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]4 j- S" |# A: F+ d1 x
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end5 U( _- {: [" u, Y! U0 a7 O
, O, @8 j" P& r9 Pto update-credibility-ijl
7 i0 Z' l8 d3 Y4 G
( p/ V' ]& j' D;;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 K, x( h4 L7 Z
let l 0
1 W7 S5 T5 r$ \0 G/ D! M+ G7 swhile[ l < people ]
+ K) y+ p1 f% [- O; p% a. T! `;;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' k: Y& f) h, v, I
[( g) `2 @3 k- f( w, ]6 Y5 }: A$ o
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)! X7 Z' N2 M3 o v7 y" E! ^
if (trade-record-one-j-l-len > 3)
8 L A7 s3 @/ D( {; T/ M: y& U[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
1 n$ g! H( x: X8 K; S2 u$ Q* Olet i 3
6 \7 ?2 M2 z- a! \9 @$ Klet sum-time 0+ q/ j4 T. V( u+ [; ] a% R% R5 i' a
while[i < trade-record-one-len]& d5 u. Q" z+ t1 p6 B
[
/ z' m1 [0 L! W, P: i5 Iset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& F [8 H- K9 Z( t' l* D/ q7 Iset i
( Q! `) Q9 k1 T) }, o1 o( i + 1)
7 h% }, M+ ]3 U# {7 t]
3 ]! }/ y, y3 c" E: u# P. s) Glet credibility-i-j-l 0
% Z1 W1 Z3 D& {& B5 p$ }2 u;;i评价(j对jl的评价)4 j0 y2 q4 }9 j1 _" i9 ~' D( \
let j 39 {% K) B0 J3 o! g' {
let k 4
- ^' |: } x) l) ]0 uwhile[j < trade-record-one-len]
5 B6 _# ^! {% \9 P5 d( w[
5 S: C9 p( ^" ?$ a( ]* A" w1 R+ Bwhile [((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
. I; M0 i3 y; @3 o1 v, Y, Z3 Bset 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)* T5 Z! \3 o! D" d0 K* S- m
set j" y( m" J9 c: o7 g" v
( j + 1)) Q1 A" A8 c [- b" u* ^/ ~
]
: [8 }; v1 c7 xset [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 ))9 P* G1 z0 p2 E* i" V# |3 Z, [
8 k1 B" M0 W) w7 p3 S$ S% o
+ P( Z @: T& z, t# W, ulet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! t' [/ F/ \. W) C6 j3 m
;;及时更新i对l的评价质量的评价
% C9 Z/ R1 h: d, p) x) Cset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
8 @/ {& Y1 z. w: m8 Eset l (l + 1)5 ~5 C4 O( ]$ m3 ^. K9 i
]8 i+ ^/ U% k: l
end
* D4 z6 Q/ G& }6 C5 L/ x
- h( y- `2 _- E0 s0 Z( F' Bto update-credibility-list" `' b- {: a) e+ P
let i 0, ]/ m- j# H9 ]0 K. J
while[i < people]
. B t" {9 Z. D# n4 M[
; S9 q( K/ E# |+ q X7 J* Rlet j 0% P' E. ]+ E" h3 V8 t- C
let note 00 j$ i0 ^' _5 O2 L5 O7 C" g
let k 0
A9 Y- O9 u% ~: G( S% ^6 J;;计作出过评价的邻居节点的数目
/ O' E p2 |$ a. H( c; O* N7 Y2 x- Pwhile[j < people]# }+ D& O& E. I# |- ?
[+ r, H. T4 W4 L* n: w' E
if (item j( [credibility] of turtle (i + 1)) != -1)9 ]3 O% E# T# k* {- l) y; [
;;判断是否给本turtle的评价质量做出过评价的节点
7 v4 Y# Y. j% e4 {$ ^! ^[set note (note + item j ([credibility]of turtle (i + 1)))8 G9 v1 i5 a# I; F: }- J w9 n1 `
;;*(exp (-(people - 2)))/(people - 2))]
. p4 ?: R; Q. e. j. Z! R% bset k (k + 1) }0 Z( Q$ y$ c: r4 f
]
, E" b$ t! r# H: K1 ~* b+ tset j (j + 1)
; s8 |( H- w9 o" t9 B]; s/ N4 h: Z& ?! ~! X% j+ k
set note (note *(exp (- (1 / k)))/ k)
: \* V6 p: _: b5 g& |+ E2 s l+ Qset credibility-list (replace-item i credibility-list note) t5 c& F$ Y( ^( V* N$ J
set i (i + 1)
3 Q9 U8 Y' Q& O" _! _0 W: T, g. q7 u; e]
3 K1 X% ^: A. Jend; h/ T6 d9 a& D! ]: x- D
: f. p1 `: g% w4 _9 `4 P& O
to update-global-reputation-list
% i R- h- W1 ? ]+ dlet j 05 B ?. R$ M- F8 c+ N" P6 L
while[j < people]
" O L" a" e% `9 D[
0 |8 r! s- s B$ B2 dlet new 05 h. H9 }5 x! G. M6 U' [" S. z
;;暂存新的一个全局声誉
' _- Y0 o( d2 W. o$ |let i 0
+ b: _ x) A7 n1 a& p& Mlet sum-money 0
; j/ O: ?! j$ c6 B* slet credibility-money 0! z$ f) }& D" f' e" u0 x
while [i < people]) N5 l" Y3 S: L7 d M
[/ ?) _, L1 N+ x/ T. t
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 @/ w( k, U9 i- ]
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) Z, R7 v+ ]/ yset i (i + 1)
* `" R; B$ @- w0 S( I" n/ U]( d( {6 Z4 c Q; n/ X
let k 0
: D- y2 g1 H$ c# ^0 p. Clet new1 0
; K# ?$ w& k3 A$ qwhile [k < people]
4 T9 B1 Z( @% ^( t[
9 d' p- L4 B% W: H$ rset 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)
, p* @+ r& O0 A! `) ]; Kset k (k + 1)
: h0 c( \9 P& @]$ ~! i0 M6 q6 V$ U* c* j9 Q
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) # Y- A5 z H: V, a
set global-reputation-list (replace-item j global-reputation-list new)
U2 S9 V) g3 R7 k4 f9 e; Jset j (j + 1)% m2 [# U2 R. C. W9 A4 J
]- ?+ |3 o' E, Y
end- h0 S! d( F' g5 l
- c; l& D3 U/ I4 O7 M e. r
2 l7 V6 i. W0 t# n& z3 O7 h
& p3 U$ O8 |$ q% [( w( b4 Rto get-color
! v, I( v& ^/ h: M+ [
" n! l* B1 S) }* b% Y$ D+ \( ]) Vset color blue
" n, w0 w# k* i. ^# lend* Z) N( t( [# T& N4 r, G; A
& K& L, C+ X" Y# nto poll-class
: S! ]) F& g) ]1 q# V4 P# wend
* C& T3 o- D: I( ?' S. k
1 o* d; B6 U! q6 ?) S( Dto setup-plot1
+ Q Y, |5 ~& s. B2 t* C' n5 ?' O9 l1 D2 {0 v8 ?' e6 w! }* F
set-current-plot "Trends-of-Local-reputation"
9 }5 E) e5 s* d& `5 l) I" o1 ~( B7 V; V, v; V- J+ m
set-plot-x-range 0 xmax
; x9 G0 V; v# w/ o9 ]* q$ z, o6 n0 i
set-plot-y-range 0.0 ymax6 ^- d+ V2 b: S8 J& ] R
end. U6 ]3 I) K1 {% Z6 H, L; P9 k# a
+ m" q7 ~3 K8 K# z4 M* f% g% w
to setup-plot2: U/ M q9 _$ h5 i/ Q& h
& C: m$ @- B3 ]0 G5 m& M) Q- Z) B9 Nset-current-plot "Trends-of-global-reputation"- B" c6 ~) F+ Y# V, ^
% \/ Z2 C- J e. n( `set-plot-x-range 0 xmax
* Q" k; j" E2 c: l% y
6 E) P5 b, A# ~3 K; e% @set-plot-y-range 0.0 ymax0 t& p9 B" Y8 z/ U4 N9 k- ^3 m* n
end
# s& Z# G! W7 w* Y
; S7 c- h% X& Z& Q0 ?# lto setup-plot3
^ z5 F, G# a+ t% c5 o
- K4 p& _6 H9 r/ n6 e1 Jset-current-plot "Trends-of-credibility"
+ D" a( o8 q! B% g% A: P4 |: n% c8 z
set-plot-x-range 0 xmax) ~5 X! h5 s7 P& ~& O* _* ^8 M( I! r
6 `1 d& G B7 {' V W0 mset-plot-y-range 0.0 ymax
9 n" X! x2 `, Uend# D2 M' l5 ?0 L3 |: R6 F
5 u8 C4 h4 e. g! U/ R) I; o2 x
to do-plots+ B* n9 D# V9 q: f# D3 C3 T4 a
set-current-plot "Trends-of-Local-reputation"
7 y3 e2 w5 @, j$ ]1 Z* Z9 L$ b; qset-current-plot-pen "Honest service"2 \" \8 Q1 v4 G
end5 E$ a- ?( {# ]4 _
* \: ~, F3 Y _7 `[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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