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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9 ?+ B$ w8 X% ?
globals[# U, Q( @- ?- p1 J. i0 Z$ W: T+ a: I
xmax- E3 ]3 `9 d- f8 M
ymax, \0 G2 g) q c- \: c0 W% [
global-reputation-list- X% W4 |8 J8 a
; T5 J( A- Z& Y8 c$ o;;每一个turtle的全局声誉都存在此LIST中
% m0 z$ g O- ecredibility-list
% M& _1 Z7 E- p7 w7 Q0 G;;每一个turtle的评价可信度) {% Y G: l* M
honest-service
3 j2 M- o9 {- s A+ g: r9 Funhonest-service
5 a9 [# N# v: K6 u$ r: Boscillation+ n% x+ U7 \4 @5 X& P! ^% B
rand-dynamic
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9 b5 P6 D1 i: m8 S# }7 X+ u% @7 j
turtles-own[
! }- a9 G: l* L( F& Jtrade-record-all
( I- Y8 Q/ E( P/ _;;a list of lists,由trade-record-one组成
) b5 A9 C. o$ g4 D0 j# a/ Ptrade-record-one; ? O1 `- |3 n: f0 J
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
5 G9 N/ r- k5 T0 _6 _- e
3 ?1 D; K0 X* W5 H;;[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]]
; `$ W) F* b' h* @" otrade-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]
9 d# w# w0 C$ g, ?$ scredibility-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list2 l" t" t4 ~0 x' _& w
neighbor-total+ ?, e, x3 `9 p$ s1 H& c
;;记录该turtle的邻居节点的数目
* b; e* J% b9 f. s4 d# T: Q& G" P/ T" |trade-time
5 b9 D& W9 b/ c* @;;当前发生交易的turtle的交易时间
1 \* d& I1 X d* k& Dappraise-give3 b8 w, |- n7 C! i( c2 e
;;当前发生交易时给出的评价# k8 h( |8 P# b" x
appraise-receive( o t; K. R! y* Q7 {' W% `
;;当前发生交易时收到的评价
x6 l$ |; Q3 V# _: F4 b7 C! yappraise-time8 t, h) A+ _! O) J% K7 j6 ~# q! D
;;当前发生交易时的评价时间
) E% E! t9 t N3 _! a) Y2 q, }local-reputation-now;;此次交易后相对于对方turtle的局部声誉0 H% |+ I( T5 k6 Q. t. h
trade-times-total
8 G$ l2 i6 l1 ~ B;;与当前turtle的交易总次数9 m8 F2 L5 Y. x* K5 J* z" T4 Q+ @
trade-money-total
* k, s; a# ^' ]& h;;与当前turtle的交易总金额
8 V3 h O# d7 k. ^/ ^; Y3 ulocal-reputation: V9 s7 x: _% u' A. N# G* ~ T
global-reputation) R, n3 |( A6 u! `& s
credibility
8 b3 \3 D" F* P. s! H;;评价可信度,每次交易后都需要更新
, X9 X" U. ~2 a3 ^9 V+ s5 U1 k6 wcredibility-all
! z& |: c4 w# q ~;;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
2 e5 {9 a+ k4 O2 @ I' B# J6 w% F$ X5 i! d( z
;;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
+ `" Q% S0 J8 q; Q" {credibility-one- _( m; s6 C; F0 ]
;;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$ p8 X& z' ]; v1 M# j
global-proportion, M' `) L8 i9 ?% S6 n* a. e
customer
" W/ I& q$ H+ k' C( U+ [! ^0 Scustomer-no1 e, _# U, [- j7 k2 n: j u7 m' ^
trust-ok
, Y$ G4 \* q( {* r( V# ttrade-record-one-len;;trade-record-one的长度- k# |5 p L& u
]
; }, C( N2 S1 l# l R, ]5 a2 W/ u9 c6 t- P
;;setup procedure( g$ s: y0 O/ D6 r
' E c! u, m! o7 zto setup
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' _( J3 P) t' T$ s6 L' @* Vca
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initialize-settings
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9 j9 m; I$ F- V2 F7 |1 `crt people [setup-turtles]3 x0 C; u0 c: U! |4 F4 x
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reset-timer. U1 J$ ~* R; a8 z, x) |
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poll-class- y/ n, a8 C8 Y; C' W1 |: W
" Y* S( \ y6 k; Z+ x) @
setup-plots
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1 p- U$ j9 H# B$ G" H5 W* U: ndo-plots/ x, z7 q' i5 A a
end: ^. `- w* y" a( I$ O
9 o! F7 m/ f( x4 {- L( c% K2 s, ]6 eto initialize-settings
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set global-reputation-list []
z" e* p, S( V" z) k9 t! C! X
set credibility-list n-values people [0.5]
$ o5 d) G1 |$ ]- S* k8 K
/ A& d4 S! ?& ^: ]% N( I& W2 jset honest-service 0$ G$ |" O$ X8 a1 F2 p- U
. K. W" {9 U( M% D/ w8 k$ ?! N4 Z
set unhonest-service 0
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set oscillation 0
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set rand-dynamic 06 q* _3 f% [7 n- K, s% b! z' |
end$ A1 W$ f) g: ]5 }
$ I; _. H7 A, i! t$ Z$ B+ d, ]* X( Rto setup-turtles
* Q( S, M) L( j, z; {set shape "person"4 \( c6 R) X: f" Q3 B9 f7 c/ C
setxy random-xcor random-ycor7 `7 x U0 U+ T: V. f
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []! a* p7 y. H; d. c
set credibility-receive []
% d! b5 u+ I6 n p( ^ jset local-reputation 0.5
2 U% L; K$ K; L' [* B* rset neighbor-total 0- Y: y+ ]( O# o7 {) A6 ?
set trade-times-total 0
4 R$ b* ?) G) ?2 B1 F6 iset trade-money-total 0
5 M; B" y+ E6 P' q: _) C) vset customer nobody
4 d# }0 {& @$ Sset credibility-all n-values people [creat-credibility]
8 u& q) Q* J! C' E+ oset credibility n-values people [-1]% {6 Q$ b) S9 D: j8 R$ _/ ]% }
get-color, t8 f# Q; K+ B' O; ?: P
) i3 V% [7 t- K7 ]% J' G6 N; [" [
end
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to-report creat-credibility
/ S3 z8 C# u& o+ ~9 _report n-values people [0.5]' {5 {1 H' E L* `- S
end
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5 l5 m, F1 {- A4 Y, O' Rto setup-plots8 t6 e9 t O/ S$ l
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set xmax 30
2 X8 r7 A' _& [4 b# g! T1 b% S% A% O7 t: g6 I5 s: w* b. r" G
set ymax 1.0
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clear-all-plots
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setup-plot1
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setup-plot28 u, ]5 J( ]) P* d# z( X$ p, |
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setup-plot3
0 x; S9 Y! m/ O2 O ^7 I+ G. G+ Rend4 m* Q1 X3 @' L U J
- {/ U9 x* {- b: I5 `, Y& Y;;run time procedures
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6 h* s6 l: j# Y6 U2 c) sto go1 m+ C3 e7 w# ~6 k9 j$ }1 O7 J
, Y5 T) T4 y4 @3 q4 ^% oask turtles [do-business]1 w! q* A( z0 H* l
end
7 |2 ~ ?9 S# z5 u/ i4 F3 Y2 O) W% ~1 {) G& Y3 D
to do-business
) U) M1 t* L r" G. u V5 \6 m2 D6 l& T( x" l& p$ i& c; l9 @# R& l1 y
' Z2 L8 `3 g6 v. }( k9 y0 {" d" \
rt random 360# [5 Y+ X$ ]- k; _* Z
$ ]# g6 a5 F: \4 o) z7 H: Pfd 1- I- y4 t8 ~6 q8 C% M
# [+ e: B3 S4 Mifelse(other turtles-here != nobody)[
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* P; g$ y& E% I+ T0 }8 h1 [set customer one-of other turtles-here
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;; set [customer] of customer myself/ E v1 n7 ]8 t0 V# f* \+ j( r7 _9 i5 c
/ N5 y, `! V, A$ I# Vset [trade-record-one] of self item (([who] of customer) - 1)' _2 u* S+ {; Q7 p. P% L
[trade-record-all]of self
) p/ N ~& o# x1 z;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 X* l3 k. d% W1 W; B
1 c% w$ E Z8 W+ L8 X5 i8 s
set [trade-record-one] of customer item (([who] of self) - 1)* D! e* a, _! C/ X
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
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0 N: S. f- ]- b& C2 {+ Eset trade-record-current( list (timer) (random money-upper-limit))4 X5 P1 q# u2 O; _9 y- R' k
D& m! r/ } n+ s1 E! q6 m
ask self [do-trust]% t+ _6 |3 K* ]8 S
;;先求i对j的信任度' W1 q1 n1 \) P
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if ([trust-ok] of self)& i: w( z; ?& J2 |" H/ p2 k
;;根据i对j的信任度来决定是否与j进行交易[
! \0 |4 s% A. v8 I4 x" t0 Eask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: }+ M6 f5 _/ H) S+ N: L! f
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[
- Y( G5 o, [* h4 F. v' H0 T' W
' a' q c# {4 K _3 I$ Ndo-trade' Y; w6 }9 H, y6 H0 B8 |% M$ K/ j
+ n! u ~+ A' ^6 ?+ x4 s7 }& E
update-credibility-ijl7 ~8 e' i6 ^; s" r
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update-credibility-list
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update-global-reputation-list
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# A8 i" ?( F& U5 r2 \poll-class
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get-color
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3 G, f: |) S/ R4 d6 g# y]]4 m0 K" U6 H( {% Q) s5 K9 z
3 b6 }/ y, v% q3 \, h! a9 c" I3 x# i;;如果所得的信任度满足条件,则进行交易
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' C) k( O* G# r) t[
! N$ X; E( }! C% f$ k0 V" }# K, A Y
rt random 360
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( A3 ^7 i3 M* _+ _fd 1
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end
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; D+ A# q H/ \4 L- U* nto do-trust - \9 H) B n# G% c1 A, X( B9 r6 Q
set trust-ok False
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# o% t1 Y0 K2 l" J2 Qlet max-trade-times 0- x! r2 f- J7 b/ S4 [: |
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 e- H: Z6 n R! W
let max-trade-money 02 O- F6 w& I& S: Q& W
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
6 p9 q% G* z! _- @. H r. T klet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
' G4 ?( L4 [0 ]) F" H& T9 S2 m
! z( j7 S, F" X0 O/ {
% l; g9 o; v1 Tget-global-proportion: I1 S( ^; o8 h) w/ n, N b; \4 S
let trust-value# p% e" l% b1 H; D
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)
! F2 K n& }) D' X8 m) p: Jif(trust-value > trade-trust-value)
' ?4 U; d4 \" ?$ D6 [0 M. t; D8 u[set trust-ok true]
) d+ {4 W6 p# qend
$ l# {- i! T! ?' |( w
1 l, O& Q2 F9 ]' ~6 O6 C3 F, Pto get-global-proportion
/ g* D. {; t! i. }- l! M4 ^ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)# w3 m: W3 V& v) x9 Y
[set global-proportion 0]
5 p5 {+ h* R5 e3 [/ O& K[let i 0
3 L j3 g% G" x; slet sum-money 0
& r( c$ N# k2 T/ w. ?: ]while[ i < people]
5 g) |4 |+ [ e% q" _[ C* K+ `' M& e4 Y5 w0 T
if( length (item i# v1 l% ^7 d7 K+ q, E
[trade-record-all] of customer) > 3 )0 \/ p$ `. r% l- J3 _. W+ O
[
( e) i4 Y( x' b8 C! _set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
5 ?+ {( f( ]2 f9 A: |6 L% f]' Z9 i4 |, @& x
]: V. g* a3 g _+ y* y
let j 0
1 b% D# g+ s5 q. y4 ?5 {let note 08 B! X( T! O6 t8 t- U
while[ j < people]
& i; g# u* _9 ^* D6 d[
1 V$ ?1 e6 {/ V' V7 o. _if( length (item i1 K( `2 t. ?2 e* G
[trade-record-all] of customer) > 3 )
" G* w/ Z/ Y% F; U7 G$ ?[
* b/ w( r7 z$ x7 `; }9 tifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 f# U3 g. N1 F* q( a# H
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
- @; `; M8 r. n0 L8 A, ]# I[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], l! R. f+ ^% c$ f# R6 C
]( o7 I% P9 \0 I
]3 t' p" R1 N& n9 [. L- \
set global-proportion note
) Z; z$ z1 g5 Y5 E0 z3 S]
* f. M, k+ }6 M; `$ X4 i* n4 e0 l- zend( W( A4 @! b/ e( p9 @% z
- H/ w @7 m* W
to do-trade
( B! Y* S' }- L/ q/ ^;;这个过程实际上是给双方作出评价的过程
* R) b, ~, a$ w9 wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& ]& ]3 l4 T1 B& N
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 H) b0 N+ |4 ^9 X+ Oset trade-record-current lput(timer) trade-record-current" F* @5 O( b/ ?" L: F+ G
;;评价时间
& G/ v( l6 n3 _2 s! {ask myself [0 s. D8 E& l6 [& E# y
update-local-reputation+ {, G8 p4 Z7 h5 g- j7 D
set trade-record-current lput([local-reputation] of myself) trade-record-current# [% j' R+ M; n8 e" {
]4 E" v$ j8 n' `9 z
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
z4 m% {4 k- \;;将此次交易的记录加入到trade-record-one中
# P. L$ Q9 H9 Y3 L. s- Pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)/ S( m* q+ o& b% ^6 q+ w7 U) n" F
let note (item 2 trade-record-current )
+ p3 j3 d8 T* e% Zset trade-record-current
5 F9 G/ @" k. ] {! B) v" h, l3 A0 W(replace-item 2 trade-record-current (item 3 trade-record-current))
J0 c9 j% A7 h) `3 y6 @2 T; L5 iset trade-record-current
) [8 i/ R. p/ }( r8 p(replace-item 3 trade-record-current note)
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- o# k+ `1 Q# I5 J! j' m
ask customer [3 B( q7 j+ |/ ^( f' w
update-local-reputation
$ _- V" W) l% Z2 W3 n* V) [set trade-record-current) f8 d$ O) X; `1 l
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
" Z s; g1 B( S7 s* ^]5 ?6 Q1 T& t- }+ [+ O; C/ i
) v' b) I) @) R/ c
2 M. H, g0 j3 G( C& W$ z
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer4 S: j: R7 D' y. F) X# W; i! g; z; ~7 u
, a/ v5 [0 ]( a' F; ?
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))( d S9 C1 ^2 p- z1 M6 Z
;;将此次交易的记录加入到customer的trade-record-all中" n6 S; f5 k# C2 l1 z1 X& _+ a* P
end
; _, h, N1 j5 k N0 [! ~, U) |* r/ @
to update-local-reputation, C) S. r" @# D! h4 r
set [trade-record-one-len] of myself length [trade-record-one] of myself
! n: O7 ^! W- M$ J" E: y" H; u. w
+ h2 i7 w+ f6 N6 b;;if [trade-record-one-len] of myself > 3 ( g" w( j0 M) C$ h
update-neighbor-total
* o( ?2 k& w/ V: V;;更新邻居节点的数目,在此进行
0 o7 Q5 Q1 E) T" Elet i 3 ~5 Y# i9 D; B# C
let sum-time 0
- a; r0 N* P; L$ o8 O, E/ s: K; |while[i < [trade-record-one-len] of myself]
$ p: X& W3 c4 T[
$ h$ i: ], [8 y( Z3 eset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
/ F0 v* T k4 f/ d" m! H6 m5 A7 [set i. _4 S# {7 K+ a- F4 G6 h( G9 T
( i + 1) |1 c* {2 s' a
]
5 V( ?* n! {" G3 c0 q$ Ulet j 3! X2 V, `# E" d% m
let sum-money 0
) K3 a+ C+ b4 d% Hwhile[j < [trade-record-one-len] of myself]
+ e: c, d, t: e' _3 S. X5 S* D% b[
" u: a& I# u3 V3 T! ?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 T$ ^9 @7 _6 S, S. v+ k% i
set j
" Y- K- p0 Y' j- {2 j( j + 1)
6 I) d3 K& I2 T/ ~]- v4 h+ P% e0 x! k/ p8 N
let k 3
& k E! Q4 q4 jlet power 08 x- W/ n: V6 ^8 ?5 B; H5 h
let local 0! K( ^4 [, o, d3 N. Z
while [k <[trade-record-one-len] of myself]5 k3 d( V3 [, B9 ^) @2 F
[
/ p. p; R& n: ^$ o; o1 a! Q9 Wset 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)
; V) b- t4 S: P$ r, p8 C% _) Mset k (k + 1)
! G1 R; A% [! i; C+ _; G, c! j; `]; T2 u0 {& \3 f1 j! r9 r
set [local-reputation] of myself (local)
7 ]; Y% J: Q( F, }; fend/ H6 J/ K) b$ \3 [9 \
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to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]& @" y( S' W9 w. T: m" d% N
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j! b0 C& X- D' yend
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to update-credibility-ijl
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;;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 [4 _- A4 F7 ]+ N E7 k
let l 0; v" S) m0 }0 e. O, m
while[ l < people ]5 I8 u% c' q. V- ]8 @5 ?+ B3 Z
;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)2 g$ @: n+ `4 s s
if (trade-record-one-j-l-len > 3)' P( i+ ~9 g7 X$ [/ u8 y$ z# X8 d
[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, i+ ^( x% c+ a! ?6 C
let i 3
1 L: L" \/ ^# `5 [1 r4 glet sum-time 0
, E' i/ {8 `1 m# o' @while[i < trade-record-one-len]
+ \8 V. A9 S$ i* C9 I& u[; @" Q0 M. o: r
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ) p4 Z0 k a6 j
set i
& h5 Q& W: |. _1 \+ r% \" H( i + 1)
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let credibility-i-j-l 0% G4 E; A5 x0 N1 a
;;i评价(j对jl的评价)( a3 @5 d8 a# Y/ q, k
let j 3) a' u& u5 V( ?
let k 41 R- w u% _4 O
while[j < trade-record-one-len]
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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
+ |+ P# f0 w4 y" x6 a% E5 @: [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)
7 ]: R: Z8 O# C/ _% ]3 {/ n: Gset j
2 k; w' u: h& c: K9 S' p. X! n$ c( j + 1)- b: C4 q: _2 ?; G& L, P& Y
]( F1 ]* {: r# a1 Z. o
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 )): y2 z1 h( P$ B6 R
+ I% o1 Q! d* C- \% i
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 K& h3 E$ f) X6 M;;及时更新i对l的评价质量的评价
6 e5 Y3 D) p5 ]0 sset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ p2 z+ y% g1 m) ?) k: o' B- J5 G
set l (l + 1)
; ]' [1 z9 H i) []
" u2 r+ ~5 x- }- d) s# Qend
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( y( M# m3 z2 i2 ^8 B6 jto update-credibility-list; d; n* K" T; }" o6 E. s' {7 q, [8 }
let i 0! G: @/ e* | [6 L
while[i < people]1 |" M+ [. A# h( w+ _+ j
[+ k6 n8 u- a0 f4 [; P/ B2 @7 r( O
let j 0
' O! F% c! o0 w! Olet note 0
# q% k; y% b# ^# rlet k 0
1 Z# t9 x, v' ~. K. N;;计作出过评价的邻居节点的数目( M; v7 Q, I3 N) b
while[j < people]$ m& W; r8 P' @. U9 b6 [% F$ ~
[
) P" [( V- g7 L: V: t2 Wif (item j( [credibility] of turtle (i + 1)) != -1)$ ?2 }1 n2 p/ v u
;;判断是否给本turtle的评价质量做出过评价的节点2 E- r+ F1 L% F* h$ v
[set note (note + item j ([credibility]of turtle (i + 1)))
4 c; H# R( O8 |3 G;;*(exp (-(people - 2)))/(people - 2))]" B+ K4 I6 V6 i/ Y1 Z9 U
set k (k + 1)
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set j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)4 T2 K: f: h9 o/ \# \3 F
set credibility-list (replace-item i credibility-list note)
1 t7 y$ i% d5 q) J! m' [' k: G Xset i (i + 1)
, }# [0 C, p' G7 v1 t]" i# I7 l3 k) }/ L5 ^! G! J. B {
end
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to update-global-reputation-list
% E# C5 g0 p3 D* b, J3 D. ~# J% r7 L3 zlet j 0
% n" a: e6 a: `7 g" [; X" `while[j < people]
1 M+ a$ N' T/ _2 w5 x[% V9 `+ v! c. [! j
let new 0
7 r' y- p( Q# ?' r/ W;;暂存新的一个全局声誉' r. H5 R& Z* `6 R
let i 0- Q8 p# y; T" n
let sum-money 0
0 }7 r$ R* d1 e8 Flet credibility-money 0
" `& {0 l1 P6 o1 ?: wwhile [i < people]5 M3 u l' g3 Q+ Y# O
[
0 G% A8 H/ ]0 tset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" o. D2 s8 o4 @: m4 u B- N* a8 cset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; A/ [4 H8 F. b2 E, u6 r) f5 qset i (i + 1)
# C7 a! v; J" g) q) y: z]
) O0 F' w4 I, O, ^0 ?let k 0! F/ l% H7 x' s5 m
let new1 0- d% x$ W, K) a o0 Z1 @/ f) U
while [k < people]
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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)
6 E4 n' J* a% L! cset k (k + 1)2 G5 P/ S9 u X, E+ K
]
% f0 k. q& j! `+ Q" {0 c2 o) s* R$ V# Eset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& ~( p8 f% P2 t( iset global-reputation-list (replace-item j global-reputation-list new)# Z6 B" z( {6 C, v# v- Q
set j (j + 1)+ m, N- H) `" ]; @1 O' j, C
]
4 Y3 ], K" }3 f% M" S* e8 Fend" s% ]7 [- p, A( @( B3 K$ v. a; [8 f- f
8 \ S" C2 R: V3 b2 F0 C
. _6 E2 `5 Y& {; W8 l( y" P$ v a- D% K+ \
to get-color1 x& u! ~- L% ^" u0 a. H" \
/ o" b" k ~& s4 [, m5 Q& a) nset color blue
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, S/ ~: i1 k% Y& jto poll-class9 N/ K' Z* [6 k/ X* t* B/ G$ ^
end
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to setup-plot1
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* D- ?( J r4 ~. K3 T" X" Q8 Yset-current-plot "Trends-of-Local-reputation"
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax$ R. e9 p5 Z) a2 \$ V: h& O3 w6 Q
end7 P$ A; V1 k z O) _- n
7 H0 [; S, N/ E: [5 j( t2 uto setup-plot2/ k+ L' h' p* E2 N: p; m, `# b3 n; E
' n4 G+ [3 G9 j7 Xset-current-plot "Trends-of-global-reputation"
* |# w, q1 s$ T0 ~5 n. G( {# P3 l. _' t/ X
set-plot-x-range 0 xmax
8 c$ g" p0 ~) z8 Z( N- @7 g3 S6 D+ D/ x5 l! @0 P! W
set-plot-y-range 0.0 ymax
( E" d; N) o% Q2 Pend
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to setup-plot3
% x! d- f" @0 L& r1 e4 a, t5 \2 j
set-current-plot "Trends-of-credibility"9 q$ `7 K! h y; B, c3 E) \, c
" F' h3 D) A n0 Hset-plot-x-range 0 xmax
+ c. p) R2 L+ t, [2 u' S; i# k, f( v1 m8 j' t' ~ v4 K+ i
set-plot-y-range 0.0 ymax
5 C3 H7 b' g0 a8 n5 N* xend! D. H+ s' k; U u/ d' J. r
/ E( v$ d6 P! g' Y6 W& U3 e% c
to do-plots
) Y: P2 M# g M! Sset-current-plot "Trends-of-Local-reputation"( I3 J2 e k3 Q+ {" m/ N
set-current-plot-pen "Honest service"- p) a4 r" D" K
end) O, _% c5 o0 M9 W
$ R o8 T, W# ]3 S$ _/ g) Y6 f, q: }" J[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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