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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
8 V7 Q( H; k+ F/ P; @globals[" d, s! O* O3 _/ s- J) E
xmax
) a' _. x1 n8 Z! J+ W; [$ R& J$ }, zymax
' ~ z; X" G/ s- ^4 y! {global-reputation-list. G5 i) _3 V2 E. D1 |% o/ Q. f
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;;每一个turtle的全局声誉都存在此LIST中
' }- d4 ?. t j+ U# l3 `6 l9 _credibility-list
4 D; o7 @" f9 G% r;;每一个turtle的评价可信度
% k* d2 f5 h. j; R; H0 nhonest-service
- j9 F6 [' M/ l. R! M: Z" n2 R! ounhonest-service( Z0 ~1 J q2 I7 Z* M/ i
oscillation" ^& e8 K; Y9 `0 F# J
rand-dynamic
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, H8 a5 b' m$ K) H& ]. }" q- S$ z/ r, p0 k7 z$ O' B
turtles-own[ t$ A( V4 d6 Y" _/ |# M5 {0 T
trade-record-all
1 C9 O* H6 S6 O% v6 Y0 y! Y;;a list of lists,由trade-record-one组成" }3 n; \" {3 d
trade-record-one, ~8 w# e, f8 s8 v" J- i6 j# s$ @
;;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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;;[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 G2 ~5 C. r* m( q! Z" a) q$ I$ O
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]
/ P$ X4 H" ]: h3 A( ~" K* Ucredibility-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/ Y" z& G! x% z4 `* N. {
neighbor-total% ^8 S0 A( o2 P
;;记录该turtle的邻居节点的数目/ n; g. e6 R+ n- o" e8 J
trade-time5 x0 z6 }5 F# N# a
;;当前发生交易的turtle的交易时间
/ W+ A1 ?: \) a+ M% i$ Z) Aappraise-give/ k5 Z3 y$ x% |7 f5 K
;;当前发生交易时给出的评价$ t+ Q$ {6 `/ R' j" p; C
appraise-receive
- `8 D- P2 f8 y1 U. e;;当前发生交易时收到的评价
0 n; a6 |# \( v7 }2 R: w& E2 U9 Kappraise-time
- C8 K% p4 d7 G% h3 N2 m;;当前发生交易时的评价时间
" g( c9 x2 H7 m5 Vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ \1 X+ T- S" }! ^) _1 h7 |trade-times-total
, C3 L* [$ l# j$ B( ~6 ]7 @;;与当前turtle的交易总次数
7 Q4 a( B3 F+ b, n7 ^trade-money-total
3 o( P! D* f, E: h3 V;;与当前turtle的交易总金额
3 Q$ i5 l* ?6 ~! vlocal-reputation* L: k% a) ^% l) T# \( Z* b
global-reputation9 ^5 e4 y9 E4 }! i) T B a0 W/ j
credibility2 o1 I+ r4 _) D; O5 V. {& w
;;评价可信度,每次交易后都需要更新
7 A1 {+ G3 D/ y% \; k$ [! d& vcredibility-all
# t2 h7 ^& b3 b( N. s9 r;;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
, J/ I" Q$ V/ Y% Z: v8 x: z, \credibility-one3 F& R$ e9 J9 `+ A. F9 ~) y
;;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2 w5 m* K6 V. `& a
global-proportion! A) o+ v0 y# G( [. {; ~( m( K0 o+ t
customer6 J! s" y1 r/ z2 {! i9 i7 g7 a
customer-no
6 o2 n8 G1 h$ }! Etrust-ok& j/ A7 [$ g* A" n2 v
trade-record-one-len;;trade-record-one的长度
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$ U5 d5 d8 ?1 E+ ?2 | O4 E;;setup procedure/ L) a9 o5 K+ j# |
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to setup7 j$ }& |8 _- J
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initialize-settings
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crt people [setup-turtles]) B& L9 Q& _" G, L
: j% H6 Q2 }, @. e9 a! jreset-timer
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, G6 A1 t: d, Fpoll-class% G& I: Q! i' q" X9 M% J! R
4 q' r) |( X- q# {1 o) Xsetup-plots Z$ u4 i1 M* O1 Q
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do-plots
4 y& ]9 X \6 [$ a; J1 X8 N! ?, Jend# ?3 A' G, y4 r3 y2 ]+ H
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to initialize-settings
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set global-reputation-list []; G# E+ J5 k7 {. _* Y6 m
" V' `, q, a2 j$ e1 J) z' ~& m
set credibility-list n-values people [0.5]
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& N) B% o% G% C# C3 R! pset honest-service 0
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6 {. Z" o1 V# |7 _set unhonest-service 0, D% E) C' n, c n
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set oscillation 0
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set rand-dynamic 0 {" [. v/ q4 Y; N& S. o' Y# K
end
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to setup-turtles
& T2 H* }( s* j p2 |: Oset shape "person"( E2 ?; I _' s+ q5 b
setxy random-xcor random-ycor. O/ V! c5 u% J: d
set trade-record-one []) G6 f$ m$ d {
$ t: [2 k+ H; i2 ?. g3 Wset trade-record-all n-values people [(list (? + 1) 0 0)] $ Z+ f% ^; l; S+ P$ g; ~) G
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set trade-record-current []
0 A- a" j' F& a8 Nset credibility-receive []
! J- m/ h4 D! y) s( Kset local-reputation 0.5$ i Z+ B2 q+ _1 ~+ {0 M! |0 O
set neighbor-total 0
/ R- M. ~% L( t6 B# b0 tset trade-times-total 0; L) ?& _8 \) y3 [, C
set trade-money-total 0
|2 D1 j- m( sset customer nobody5 |& M2 W1 `$ `! s+ _2 b/ |
set credibility-all n-values people [creat-credibility]6 t: T! Q: l* t2 B/ I
set credibility n-values people [-1]
' V! a- z$ J" f. U/ lget-color' {) p4 w" h- _: j+ v7 m# r
5 \* ?: m7 a9 gend3 O& K: V0 Y3 b5 y9 M9 r
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to-report creat-credibility8 b( c I$ {2 ~8 {3 U
report n-values people [0.5]- u, x$ t6 @( w, `) j2 K
end
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to setup-plots( V m. ]% c6 t
" a& V4 |# `, S( wset xmax 30) \3 w: z1 J0 K2 a/ o9 c! ^1 m+ ?
; l; H. S& F6 M) t: qset ymax 1.0. x9 |. O/ z9 Z5 q/ W
+ L& J, P8 Y* C* }/ M! z+ K s
clear-all-plots
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setup-plot1
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setup-plot2
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setup-plot34 V9 j1 o0 S( v2 y( ]& {& o
end: k- r, x( @9 b) w4 R% R
2 n) R6 _2 k* A. o, \;;run time procedures
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to go8 p) j. D" Q0 x6 M. t
- @, R* F! o3 B. ?6 K/ Oask turtles [do-business]% x& e3 N. k* s: Z' Y9 }
end# i: ?3 d# l0 Q2 c1 ~% x
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to do-business
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% C2 Y# X; ]: M# e' z T; [
rt random 360$ c+ j0 }5 D* e7 C7 ]' n. l
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fd 1; L+ [+ h& d$ d: g- v. Z* V- k8 g
& V$ m5 i+ ?; _: Z' y6 Vifelse(other turtles-here != nobody)[
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! C J% ?9 m$ D, Rset customer one-of other turtles-here% l, Z* V4 {( B
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
' c* R2 ~! Q7 l) {/ o[trade-record-all]of self' e. L7 A( c4 E3 w6 W: p x0 T0 w& g( z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self5 `, y- m& x( `& ^
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set [trade-record-one] of customer item (([who] of self) - 1)' s* \# g2 R8 V% H
[trade-record-all]of customer" T3 e8 i. G- D
" g6 \& E& Y4 K @* E! r+ }: uset [trade-record-one-len] of self length [trade-record-one] of self
# c3 x9 J& ?( x, Y% s
, d4 k/ n& k. V) I2 C) O, lset trade-record-current( list (timer) (random money-upper-limit))% M# u! q% Y H2 x4 ~, Z1 r- [
$ m. W4 \, ]# i* j& }3 O, oask self [do-trust]
! a- P# w6 n2 X( D9 ~;;先求i对j的信任度3 F' T) y" Z# Y1 L
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if ([trust-ok] of self)6 l+ \2 L; Z! C- B, c- N r: w$ M" x
;;根据i对j的信任度来决定是否与j进行交易[- V, C" V0 F1 T
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[% S. g# ~/ W3 D
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do-trade
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update-credibility-ijl! [- _+ l9 q- f7 N+ \" }3 R
, U [2 j `( T6 ^. Yupdate-credibility-list
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9 P& C) E$ v8 U5 ?4 Wupdate-global-reputation-list
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poll-class. U& N) N* D; l, u# ?+ v+ K
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get-color
+ I) i: @ m/ g) X5 }
: }' m% h2 _# w$ b7 {6 S/ |]]( K7 {+ v W# K& L( i
( r& G% L! h3 K;;如果所得的信任度满足条件,则进行交易
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/ V& b0 h1 z/ o: Z[
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; y: p% f+ U1 F+ Brt random 360- f8 z. Y# t( U7 V, c% H; D* Z
- G x$ y, D, M% t0 w0 Ufd 1
3 W2 r0 H) e t( I3 n
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2 w2 V# Q. _9 Z; q8 o7 z
4 U% T" D0 Y, T5 Y3 _ J/ |end
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8 i: E6 H: a% y8 u: Y+ @8 `) Cto do-trust
" ~. f" s8 X; }$ @0 i% Lset trust-ok False
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% L; x1 Z* k( S. f+ ~let max-trade-times 0
3 u4 D+ x( ^4 ~foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# G8 Q' L. H3 E: g8 V* u8 zlet max-trade-money 0
; l8 b+ m* F0 z/ R1 C( D0 Z: fforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) f/ q6 I5 W5 L+ ]; O" q" g( R
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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) E) ?9 K- z0 T3 _8 m+ x: zget-global-proportion
1 B( F5 ~! S" }6 rlet trust-value
) T/ }8 g' R4 u+ k0 Llocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
! R0 I- w" n/ z, Z0 bif(trust-value > trade-trust-value): O2 D7 s$ y" d [5 l1 E
[set trust-ok true]
9 A, L% B- ^* }( d+ _! V: yend
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+ e$ Z3 h' @: J/ Tto get-global-proportion, {2 ^9 s2 o& S) Y0 d# N6 l, q( p
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)* i& r: c+ ?8 r, J E$ |' c
[set global-proportion 0]
; L' F( ^4 y! L9 Y4 R: D[let i 07 t* Z" R1 s' K7 y1 P X3 x
let sum-money 0
! i4 c+ t3 c6 p9 Dwhile[ i < people]( _1 x( S* D7 `3 r' y/ K4 H
[/ ^, [, k0 i E$ X0 w$ Y: _
if( length (item i
! L7 {$ T5 J% _[trade-record-all] of customer) > 3 )
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set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! ]$ K5 o" [$ ^, p4 M]4 r. _5 G% j0 G) f0 Y' B& |
]
* f# h y& H5 c" ?; Ilet j 0
8 u* C- l' O8 f \+ slet note 0
1 k( s$ S0 ]# A1 t6 j+ V$ t4 rwhile[ j < people]* Z3 n" Y4 v b* r, o. W/ Q; I
[
Y* G0 z2 O3 j# o, Bif( length (item i
* c/ P- J% ]7 J7 N' T# o- K+ s! V[trade-record-all] of customer) > 3 )
1 M" ?% L$ {* j* u9 Z% @3 c# W8 k[2 o1 K7 C8 O9 I! R _! v
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)0 b+ X2 _- O# T% n
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
$ Z w# w& q- v4 K0 J6 X7 H[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
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set global-proportion note) Y! u- D7 y$ b9 p; `
]
( h. |5 ^& Z7 [end
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" i" ^# ]% l+ W: [8 Uto do-trade
- H6 t* t( ~5 T9 G3 D" L;;这个过程实际上是给双方作出评价的过程
! q5 |* O# S% W. p/ s) eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 ^# m g5 m9 {- \6 Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
% I: t# w$ b9 j0 fset trade-record-current lput(timer) trade-record-current5 Y. q9 `/ U- ^5 v* C
;;评价时间- R' v, k$ D/ y) H
ask myself [
( u. j7 x) {, \( Nupdate-local-reputation
# c2 C" {" V3 V! ?& Oset trade-record-current lput([local-reputation] of myself) trade-record-current& `2 g) n3 A8 z
]% [+ q0 s) G1 V0 W/ _) s
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# K- A9 }& W4 A9 w' W" o2 o
;;将此次交易的记录加入到trade-record-one中+ w1 X5 ^+ ^9 H: t0 |
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
2 @# Q* t5 Z5 _6 F! dlet note (item 2 trade-record-current )5 S# K Z* N, ?3 I4 P4 W7 |
set trade-record-current! N2 P% A' G0 ~9 e
(replace-item 2 trade-record-current (item 3 trade-record-current))
+ k9 X0 u, |$ m) k! Jset trade-record-current
" Z) \& I$ R0 G B1 {0 K7 k(replace-item 3 trade-record-current note)
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) N4 b' V8 U2 |! \5 S/ Z7 B" D* B
ask customer [
' p$ G% _6 X$ lupdate-local-reputation
$ Y2 f8 T4 w$ ]# y! p5 p+ mset trade-record-current, C* _' H/ Y6 i% F
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : M- j1 W+ b& k7 o
]- x, |( d- x+ k/ j2 @
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& N% [. O1 r# f
;;将此次交易的记录加入到customer的trade-record-all中+ R6 o- y" j# {" u8 z
end
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3 f; F! N1 @" b# D( pto update-local-reputation; Z; s0 c; \! X2 U! _( `* H& @' S
set [trade-record-one-len] of myself length [trade-record-one] of myself
9 k8 l U& O, i' o5 f
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;;if [trade-record-one-len] of myself > 3 1 g9 C: ^+ [4 ~8 R: d
update-neighbor-total! U% x5 Z* D* C( G% K
;;更新邻居节点的数目,在此进行" s+ K% e9 b8 i$ A& f9 e
let i 3' C$ ]! i5 L, N& G1 s* i
let sum-time 0" K" A* Q1 v, w% t3 L8 J5 K
while[i < [trade-record-one-len] of myself]( `& o% q- w- x$ z+ u& s/ Q5 u
[3 A6 C: X: e/ o
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )1 z' j+ T/ @0 ]
set i) e+ {. K. D3 B( v! N5 B" |' n8 K3 Z1 _
( i + 1)
) C4 d0 d% W# m5 I: f]
/ U% A+ h; L/ n! elet j 3
! M9 p3 _" r) F/ N8 N& `let sum-money 0/ i p- @) U4 b! f" ?3 K
while[j < [trade-record-one-len] of myself]
1 n0 z8 c) K: F) ~- h[7 \) B& B8 S; u; E0 g9 L: L
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)1 u4 Q ~! {- q1 j. v) z' S* w- ~
set j1 O C, |& D/ |! l7 f J6 {
( j + 1)
& d# H- F/ O$ w; h6 m& t2 W9 M], T* s |% P% U
let k 35 U* P( L) d6 n6 N) z
let power 03 r# l7 h( h; l4 p/ v6 X1 ^
let local 0( \0 T9 Z* ?" y- f- |+ I0 v" \. O
while [k <[trade-record-one-len] of myself]
4 ^# W% m8 I* v e; _, _: P[
3 _/ @- C2 o1 d5 j; Hset 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) % T" G% v! ?# n
set k (k + 1)
7 Z' I7 ^6 J0 p: F* B]
; w# }# i/ D5 J% q& E! _4 |set [local-reputation] of myself (local)
( _( R/ ]2 e8 D0 Cend
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to update-neighbor-total
* |- c( b: e# \" ?: W
3 p4 l/ k5 t: R! H1 i5 Y7 zif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
4 E0 [) f1 Q( B3 p2 u- X
! f! T4 t D2 z# p" @to update-credibility-ijl M0 i6 G. U+ ?3 f9 ]1 j2 @6 R
S+ j- U* \, K0 I! i% H;;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。
( P a# ?! T2 Q6 M# ~let l 0
# e5 I, J. }: Z6 W2 Uwhile[ l < people ]
3 S6 C, k+ V- V" k2 F;;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
7 |9 G: t! Y; W3 D V[
6 J: X# j' z) w7 w0 |; vlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
/ B; H4 o! P C% _% ~6 S8 k2 Q& oif (trade-record-one-j-l-len > 3)
; X+ ]1 R2 g0 q I" q9 H[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 q) L$ c, }1 u$ @" f
let i 3
% X% Z5 |( l3 I6 B" h& r6 o5 Hlet sum-time 0
* L: O) V" A C/ B9 C* O( D3 Owhile[i < trade-record-one-len], H6 A, m3 |3 m- x) P6 I
[$ K- a: j& M6 t4 t6 X
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )" ~3 ^. s4 t& N" K
set i
- c! ?% u5 w" v: L( i + 1)8 ~& W7 V: Y2 B+ W l' d' \# e
]/ `, p3 L/ E& |' P) e
let credibility-i-j-l 0
4 l0 g6 g5 p& I8 ^;;i评价(j对jl的评价) x( J$ F4 V) U* G# N* a0 P
let j 3
+ u7 Y, H, O0 H# @, x4 Clet k 4
8 u- o9 I3 f, s# `% j: j2 ?0 F Lwhile[j < trade-record-one-len]& e, G% O5 y. ~
[! h; e2 Z( E( M
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
7 R* o/ ?" d5 zset 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)
v" K& q: N' sset j1 ?- Z: J9 l. R' W3 J2 k+ G
( j + 1)
; K. d! x& I1 ^5 V]/ a D# [, E- e
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 ))
% P9 b6 I0 x X) h6 ]9 q1 c0 Z
" p( K! Z+ `9 E! z# O- N' ]8 S& E" [! C2 L/ z, K& o# n+ Q0 n s
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): `. g H+ C( n' I
;;及时更新i对l的评价质量的评价' ^. } x. |4 {6 z2 f. M8 B. Y
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: v3 p8 v: T) |, _set l (l + 1)1 R" l. m2 _9 W9 @# O5 R1 h9 X4 Z
]' g/ y: ]0 c m; B: M: z" r
end0 B" M" q/ l& H% @5 m6 H- U
# T6 E9 I7 X7 d7 m( L& d
to update-credibility-list- F5 H8 i% n. q% g( @% k
let i 0
; B* S% P* }) |# e( \while[i < people]
2 F# N% z' P$ B6 P. c5 `! E# x z[
& ^$ n9 d( f% elet j 0
& j$ i8 B3 ^2 U& I4 Llet note 0$ F" l$ t: W7 |/ d0 p1 [8 }
let k 0, F' ]1 ~) s0 |4 H2 ~
;;计作出过评价的邻居节点的数目/ k0 d5 ?) ]6 h$ t& u
while[j < people]/ I! [4 g/ W- m) B7 f7 {5 T) K$ B- g
[
2 T& t9 ^4 |4 i% I8 {if (item j( [credibility] of turtle (i + 1)) != -1)2 U4 a% B) u k) w9 J5 ^
;;判断是否给本turtle的评价质量做出过评价的节点
; M$ m H0 _5 j T# z[set note (note + item j ([credibility]of turtle (i + 1)))
% L5 P# y- u% i( j# W# j;;*(exp (-(people - 2)))/(people - 2))]# U0 ~4 O* S7 l7 s5 k( f
set k (k + 1)- q' K$ g/ d3 Z) q% R
]5 a9 _, p+ M! w' U6 }
set j (j + 1)/ s# J s1 O! u, ]% D
]
( b& _, a$ v; O! b% b" x0 g; aset note (note *(exp (- (1 / k)))/ k)
. k0 b/ Y7 N) |5 Y: S; _$ R+ K9 ?set credibility-list (replace-item i credibility-list note)* @" G3 o5 x$ u5 c% k1 Y
set i (i + 1)
: g3 C8 Q$ m& u3 }0 c7 k6 b3 r]
- @& P" E6 g' v4 Eend) E: G0 b2 R+ A/ O8 M
! ~7 `' H' k2 U/ U" j
to update-global-reputation-list
8 T5 ^" N& y. u; N0 S. K, rlet j 0
1 q! ` T7 s0 t. y9 l, N3 {! }2 a' Pwhile[j < people]
5 ^ @9 e7 s9 d4 P3 o[
, R* ~# e$ A- z4 Dlet new 0
6 n3 a% u6 H+ L% W" k* f% V;;暂存新的一个全局声誉
d! N6 ~0 [0 Ilet i 04 x+ ~8 V* D) L G0 f& T
let sum-money 06 d/ G* z! u: i# T
let credibility-money 01 f. o2 \3 C! c% ?' m& q
while [i < people]' ^; j4 y' [* L, d5 j7 B
[
, }- D* i- ^. W1 Pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
1 Q* S3 Z0 ]8 s: ^2 F! Pset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 P: G% ~# v& J- w, rset i (i + 1)4 t9 m( \' Z& Z
] n2 u2 ` ~; z+ V# Z1 y& H
let k 0
" g# R6 \4 x- M2 E0 ?. Dlet new1 0% G, Y; C% _+ O( O; c) I
while [k < people]
$ X. ]6 N) Z+ c$ t[7 e' @' d- O" o5 S7 Z7 p
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)8 p% J7 Z+ a# N* W. h' w
set k (k + 1)! q/ v7 l! s6 m* d; b( V
]
% J0 A# r g% }% V, nset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) $ y" ]6 Y! W- c: y" {" s
set global-reputation-list (replace-item j global-reputation-list new)0 N1 l# X, R( M/ O) z
set j (j + 1)
( R- U1 I7 f3 {5 M]* h" V+ j$ a! f, i$ S6 P9 X0 m
end
4 X9 A: j8 l+ B9 @; @' V/ P6 i8 ?# A9 g( z
. q7 g/ L9 g. p7 ^( K# f3 F
$ G/ K% Q4 @7 S0 l$ B* P0 V7 vto get-color1 l- {$ b$ y; \; ^
) ?- u) m& U( wset color blue
4 P5 K7 y8 `" C; }9 v! I+ Yend
9 q' o0 F% k1 q# h2 L/ V1 y5 G0 V. K" B0 s9 O3 d
to poll-class6 f, K' ]+ C# w# o( H9 m8 ?1 y0 f
end
$ s1 h+ n- Z8 n: r8 S4 ]* l3 E9 `( p, _7 X6 ]2 f9 x
to setup-plot1
. C/ [/ p0 ?5 K( x
9 b) N1 b1 k w: h$ m+ P r4 \8 sset-current-plot "Trends-of-Local-reputation"
3 Y9 G4 q0 P4 N3 c. l
0 K; ?) ]3 s+ \6 eset-plot-x-range 0 xmax
2 [3 z! \3 Q% Z: E) O8 Y8 V8 X
6 f/ E Z7 a) W- tset-plot-y-range 0.0 ymax. u- v8 K( T I6 F$ T9 t
end
! X0 ^! L) t/ X- |$ M5 r( M
0 U) X, M; Y! K8 ato setup-plot2+ m- s2 g, `) _' Q# k$ ]8 b" b( O
' m5 S' n6 e9 F5 Z5 I6 A! w
set-current-plot "Trends-of-global-reputation"
1 p$ |2 w% Y) g2 V/ i3 O
K1 k+ m, q: |+ Mset-plot-x-range 0 xmax
3 s0 ~! _, o1 s4 ~' J5 L& P3 `9 |) u1 e6 Q! [
set-plot-y-range 0.0 ymax
* u) |+ U! l+ n0 I" ~end
( F2 |0 l7 N( M- R" Z$ ?, ?- `2 D- J* i( H, ?% M# f
to setup-plot36 J$ l- Q A2 q. K
8 K( I# w. G: O8 ^6 M3 Z& tset-current-plot "Trends-of-credibility"2 D6 t8 \# Q& z
0 t, c o0 W4 o9 X: t7 eset-plot-x-range 0 xmax
' }1 O' g8 L' x8 y' l, X
& x \, [ P# M' p) a( g2 jset-plot-y-range 0.0 ymax
. V* Y* J0 H8 y8 u" q5 kend
. d9 W0 V. p/ k+ w
. W) |; T7 `* {1 {/ ~to do-plots0 Y# ]" L: ]) ?0 o4 H# E
set-current-plot "Trends-of-Local-reputation"
$ m0 T0 z" M: [, `' A# Hset-current-plot-pen "Honest service"- K/ i- N9 H! u2 G3 h4 Z# f. A; P# F
end
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5 E" }2 t4 ?- c* _[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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