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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
2 t9 V8 O' g# ]7 L0 d* f6 Hglobals[
8 |. H( @" X6 I* n. @& pxmax
+ T' \7 x2 w8 Q3 f# g- }. \ymax
, a4 I9 z) j; B! D; G/ O% fglobal-reputation-list5 s5 e" h4 h7 M( r! Z' W0 s0 [( D
; B# @. K5 A: y6 W- @;;每一个turtle的全局声誉都存在此LIST中; O3 f1 q% D" {7 l3 q2 ~) c
credibility-list
+ t6 \8 z( W+ p1 D;;每一个turtle的评价可信度
8 o6 U+ F+ y( ~1 O5 hhonest-service
0 I# U6 O" W2 ^& d9 n! r% L1 I1 Z5 Punhonest-service
9 e8 Q- Q0 D# [9 Q( ^" K9 Joscillation
- g) R7 Q) B* `6 ~, W; E Prand-dynamic
* e; E. k" q3 h% H7 X]# `3 _, L5 I2 [2 {
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turtles-own[
- B- O/ ?: C) \0 W, ]6 M# btrade-record-all. N/ I- n6 I5 |4 T: ^. F: R
;;a list of lists,由trade-record-one组成
3 A& O; m/ w; q# ~/ Mtrade-record-one6 ]# o# R7 |- b8 n3 z
;;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]] U3 _% t0 B+ Q" g. E- U# P
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]
; ~. [8 a9 c- d: A9 m/ O! Rcredibility-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
) J; J) T3 \8 M y! Gneighbor-total2 G" x+ L- I; ?/ h }/ [
;;记录该turtle的邻居节点的数目
* l' }6 s/ r' w0 I3 etrade-time: z" I1 K+ c; d) B: V9 r# S3 Q
;;当前发生交易的turtle的交易时间
, A1 d! H' k' `appraise-give
. c7 S. f9 w, t/ n; z;;当前发生交易时给出的评价
7 S( I9 ?' e$ p) D" u! \3 S; Fappraise-receive
# V4 |; L g! A;;当前发生交易时收到的评价
& s+ R* W0 b# X6 O* C$ Iappraise-time
4 j5 P2 Q4 a3 ^1 ^0 C; s# [;;当前发生交易时的评价时间1 a2 x4 d% G1 B" n" o( \
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
5 U+ ?1 i9 l O' w* P% ?% rtrade-times-total
, H* k ~/ z4 K4 O' K;;与当前turtle的交易总次数
) I5 c- C$ S, h ?! I: Wtrade-money-total- |9 j8 @- @& C8 J5 ^* r
;;与当前turtle的交易总金额
8 S6 e, J1 ~6 }$ Q' Wlocal-reputation6 w5 h$ Q7 @+ k8 m/ L- J2 e
global-reputation
$ ~3 [( H/ r, B% e9 E( \& Mcredibility8 y u6 M9 y( {; t) s
;;评价可信度,每次交易后都需要更新
% o, X( \- p! G, ccredibility-all
2 Y H& n# i4 l1 R: n;;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, ~. }6 t- T! Z% R0 R$ L
0 i) d3 z5 `) D8 A+ x;;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
) M* P4 n1 G3 T0 O2 _" k$ ?0 Ocredibility-one
) C+ P; F/ ]% G( Y" V3 P. l;;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, B6 g" v$ I' Y
global-proportion
# ~9 M/ z. g- \# A2 B5 k% {customer
$ H: l: [8 C' ccustomer-no
: X1 J2 D- A; l: X6 c5 ftrust-ok2 Y/ n; X9 J- L
trade-record-one-len;;trade-record-one的长度
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$ _& W( h) O# w0 S* T;;setup procedure/ B, j9 v# r2 Z. |2 I) v5 M
9 k" g/ r- ~5 _+ i4 s% }1 ato setup
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! }( S$ d. e; J7 \ca/ ~1 [7 D: D1 A- r5 F+ W% F4 [3 ^3 N
5 x+ {4 c1 l# o5 Z; a/ E/ ?6 \initialize-settings/ M" H$ l; w* d7 _# L5 x
6 N1 T+ A) k$ a% j, u
crt people [setup-turtles]4 r2 E9 w3 l5 \) J8 w7 J
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reset-timer! z9 l6 T/ n" ?
0 Y' z2 n1 F: U; X+ u) x7 ?poll-class
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setup-plots
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do-plots
; Y% ~; ~4 r7 Vend
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3 B, N" s6 a( \) r. Q# Q) ^3 [to initialize-settings; \' o" O( L8 U
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set global-reputation-list []3 y. O- o7 j1 q7 `' [* ]) T
1 k; y* ^2 v% E2 j' y* D3 U5 [
set credibility-list n-values people [0.5]
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* ?3 D/ l$ Z( eset honest-service 0
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set unhonest-service 0
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set oscillation 0/ H+ q9 T) k; b7 C% z d0 v, h
. @5 v- y! G. b9 f! ^ Eset rand-dynamic 08 f+ Y4 \$ r& @$ } q, e
end% I+ N0 I$ T, f
' W) ?/ N, f; y4 B0 D+ Zto setup-turtles
8 d$ t* Q" B4 B, l/ b' W; fset shape "person"
' B3 V: D T" b" L$ C; Vsetxy random-xcor random-ycor
0 z1 h% U% f3 _6 ~2 P9 I! qset trade-record-one []
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- P; W6 B2 M$ r( N2 L" eset trade-record-all n-values people [(list (? + 1) 0 0)] ( V4 u" j, d& @/ X# d. s( @& M- l
1 c2 |( j' W& D5 {/ g6 Aset trade-record-current []3 W, u' e' U/ Z1 _* ~1 V& N
set credibility-receive []
( O8 Y) H3 [$ K$ Cset local-reputation 0.56 ^3 A4 a. M# m. E" N0 a
set neighbor-total 0% M! V% D" C* f; f8 h5 N- X+ i H
set trade-times-total 0& r8 T2 ^0 F# p3 }% v- g6 J7 V
set trade-money-total 0
+ x% U9 A. e6 e) }) ~* Iset customer nobody% S" X* r0 j+ a4 a
set credibility-all n-values people [creat-credibility]
/ b( M- ^* `; _# Q1 r( pset credibility n-values people [-1]
& Q5 z) q& f6 k1 bget-color6 y+ R, d. r' i' Z
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end) T6 D8 ^0 l! ~7 X/ j: Q+ e9 A
7 q/ Z' w2 [: f# a$ J5 ^to-report creat-credibility
2 [+ Y) @7 L Creport n-values people [0.5]9 [" s. z: X! c& L2 e1 M" {
end
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, e. }( ?; w) [& sto setup-plots
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set xmax 30
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. ^; p& x: R% |: {set ymax 1.08 s, R; V7 \( ?' {* t+ B# R
2 @; x/ N" ~" `clear-all-plots0 b. j; I$ Q( x
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setup-plot1
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9 H% w1 D3 a, W9 H+ f' [setup-plot2
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setup-plot35 u/ h) _! o f9 ^3 L! Y
end
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;;run time procedures" T9 X9 {( d% l
" r# Z; v9 }. s( ^to go. A- |) Q4 C9 a% m/ P
/ }, H% f& D/ T- w- _/ k5 ]5 }" @
ask turtles [do-business]8 y. S# F) i9 `1 H( F
end/ u: D f& ]4 w7 _
% c2 G5 p1 _2 l0 D. W2 K
to do-business $ a8 ]5 y/ V m! |: h/ R+ ~
+ M& E3 `/ a5 P4 _% y) D8 _ I# e
rt random 360! ?; m6 f+ H+ W% ?7 f: y
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: ~% J- r& E! f- g3 y5 G4 }1 L/ _/ w& a: z' F
ifelse(other turtles-here != nobody)[
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0 e, Q3 I) C: h- {$ Q: D8 s4 Cset customer one-of other turtles-here
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;; set [customer] of customer myself
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^* g! c6 H* J2 k# W1 \/ Dset [trade-record-one] of self item (([who] of customer) - 1)
5 w6 o |$ O* b/ J$ m& L7 n0 z[trade-record-all]of self
9 \! m; \+ B: w$ P2 n. C- F+ }) n;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self2 F) s5 ]8 s( S( |
4 C/ H7 I6 P# r2 f; R* \ {* W5 Eset [trade-record-one] of customer item (([who] of self) - 1)& r* O( ]0 U+ v+ u& V
[trade-record-all]of customer) q8 ^* D. d* k7 _! y6 h5 W
3 n$ Y7 w2 [: x* |1 }" ?
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))! l6 P& h+ z: q7 c8 Y: n
0 Z& G: n0 a/ A/ L$ o5 m) M, uask self [do-trust]! V% x: O( S6 r' r
;;先求i对j的信任度
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3 i8 A/ j# e7 Y% Bif ([trust-ok] of self)% K% Z) @% i+ R2 n( ^" q. ~
;;根据i对j的信任度来决定是否与j进行交易[
& h9 X% L* Q. D' R/ N" Yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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8 _) `. f, c1 qdo-trade: b: n, x5 K- P9 T
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update-credibility-ijl
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6 k7 T0 N5 C. Z. B- ^* Z* u. ~update-credibility-list) b3 V$ Q( j" {8 Z
( e( ^( l0 R, { S3 v% z
. W7 s( s" u+ n2 I2 O, Supdate-global-reputation-list
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% x. u( r* g7 A8 s npoll-class
) B5 k) M0 N4 m$ e) G" q4 n$ ]$ ]0 l
get-color
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]]
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;;如果所得的信任度满足条件,则进行交易
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% S- K! B, z) A Z[
& z4 i3 C8 e4 {# C& ~. q5 j& c E7 U+ v
rt random 360
( _4 C# ]- ~+ V: a8 o* A2 p: D: R! p7 z4 b0 h
fd 1
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]
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9 l( R; c" \6 D8 _: ]6 H/ qend
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* h5 {( @+ J- M- ?5 B Cto do-trust
7 l0 q! u1 ?; j+ E- oset trust-ok False
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3 U% Q2 s+ r" `: K
let max-trade-times 0
, H# z. ]6 f/ U9 b* Sforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" P2 H; O- A6 r+ o
let max-trade-money 01 E- t$ v7 @5 X' W
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]- P* {2 J6 Z; e
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))/ s5 r% F( q2 ~* M) n% V4 r
& u/ `+ G: q' D6 w/ v; e7 {6 [9 N
2 N& d. A( C X$ f5 f( ]
get-global-proportion, X3 r$ h3 n% ?4 x
let trust-value
2 |8 X( X8 s0 ]: z j2 v/ z' ulocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
: A2 R8 v3 O3 I& g& Rif(trust-value > trade-trust-value), h; s6 e/ a( H* n: Y. R4 \& v# w" T
[set trust-ok true]; E; e8 v' a4 T
end3 X8 u8 p, z) l
. F% s) G7 x/ M* n, P- ]( ?to get-global-proportion
, V$ ?3 r' @$ D5 _# {3 `. zifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)( }% ]- E: {; y" P
[set global-proportion 0]! a: k% f( ^3 O/ o% V
[let i 0
( h% {+ U; u) p6 M/ Y6 I8 _/ K8 J, Ulet sum-money 08 k+ L$ I# L; ]# s
while[ i < people]
, [. X+ _& |! Z+ w# J) y7 x[
; i$ |* c( f- T' ^' \6 Aif( length (item i1 E( F6 a# |" z& y/ j# P7 O
[trade-record-all] of customer) > 3 )8 d& @3 O& U% |9 ^3 H Y) w
[
. I2 O: j$ ]( P$ N4 ^* @% G2 gset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
8 s1 L- t* n! j: f7 @]
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let j 0$ o, G$ |; Q; M) P( h# |
let note 0
! ]: _9 A) w% W6 X+ T( @* vwhile[ j < people]* K: R4 `$ O4 r- l
[
' A4 B% T6 a6 l- Aif( length (item i1 J: [" g: |' k7 M2 y6 x
[trade-record-all] of customer) > 3 )& i7 A" {' F1 u
[" |$ p# i) v) O4 g
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ k: T5 S4 v) h+ R
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 T" G6 M U. c5 S6 k3 L, }- t[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
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]
) d' _% C4 g$ q5 d! P6 X5 k/ fset global-proportion note
: h1 U$ N0 S& I% k7 K1 B0 }, W- z& n]; m# W+ A. n' p3 Y5 R. T% ?: S g
end
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to do-trade
, J! T _& C6 t) |/ }, C ];;这个过程实际上是给双方作出评价的过程
1 r. `8 \4 t: u2 _9 t- Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 g; D3 R( L: b/ @$ {, q% u y( ]
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
, V! t9 e& O% E; B4 g$ o, D" wset trade-record-current lput(timer) trade-record-current
9 d2 T+ E9 o% e4 `( W! \5 M9 p- n;;评价时间( }5 a6 H- O6 n7 W; y7 e
ask myself [6 \- W+ m" w/ e5 K6 O/ G" ?' n
update-local-reputation0 o' Z( z+ G/ G1 B1 |' O+ d
set trade-record-current lput([local-reputation] of myself) trade-record-current) A' N7 u4 M( D( |8 A9 B% N
]) B$ b- r- }+ h6 \4 v" j, u, q1 v
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, f/ t# O; r+ B3 y! z- B;;将此次交易的记录加入到trade-record-one中
" G& R3 j ^2 O& v8 Fset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself) ]* Y" S) A1 A) Q% O4 G+ h8 B: M
let note (item 2 trade-record-current )% G' x9 y% Y, ?
set trade-record-current8 F* P- C4 ]0 v- v. X0 A
(replace-item 2 trade-record-current (item 3 trade-record-current))
3 f* s' k8 Y9 I' y) y) I& Sset trade-record-current% Y* b+ h7 y% J, G& I
(replace-item 3 trade-record-current note)# _$ D$ u i" U; b$ L) e0 O
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/ y3 e$ D! M# w7 e9 C+ }! `2 Cask customer [5 T2 I, R" ~ r A& L7 c) L
update-local-reputation4 \" ^* [$ B3 p+ Z- ]- e. l" e
set trade-record-current* X R% F0 e5 s0 S* L9 Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ; _# r7 Y6 }/ Q/ `3 L: D
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& _! {7 a. d6 Z7 j2 m! Y! pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ {5 j/ _+ F- [3 B8 Y1 U6 z- g; D, J0 B3 H
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
: t, [9 T( P/ L6 D: x# p5 w;;将此次交易的记录加入到customer的trade-record-all中/ c) m: l& ]1 ~- ~0 t" Z1 A$ J& p* y
end5 [7 w6 D. j6 r7 R
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to update-local-reputation. q9 l" _# _& \, G% `* V* W* Q- b
set [trade-record-one-len] of myself length [trade-record-one] of myself
: I8 g4 Z. j( n$ d1 g0 C; ~$ ?" Z) Y$ m$ n8 f8 N
3 m$ R8 E2 ]+ N" C# ?- }3 T;;if [trade-record-one-len] of myself > 3
2 t M3 k! g5 K8 w$ pupdate-neighbor-total, R9 B5 [+ X% w2 k' _. i
;;更新邻居节点的数目,在此进行
% x' {4 z! R0 R' V7 O8 rlet i 3
d# m6 @# V/ Klet sum-time 0
0 \5 u- F" a4 K5 p2 h; Uwhile[i < [trade-record-one-len] of myself]1 ~! i" ~; W5 w7 D4 y. a6 D
[
! ~3 o/ O) e0 \6 u6 x( fset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) k+ R+ P$ |* M) s/ Z
set i' G0 I9 |$ ^) y" B9 M
( i + 1)9 h- t6 q& T" v
]
/ g# J! A) | _& d9 [let j 3; Y4 {( W- Y8 Q# c" |/ `; l- J% _( i) _
let sum-money 0% U4 m5 @- y$ J5 Y3 n1 a8 K2 ~. W
while[j < [trade-record-one-len] of myself]; F* Z9 Z3 i G7 n
[+ @7 H$ q% v; C9 k7 L- r
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)0 d1 {# X1 [$ v% m G; m0 `/ i
set j
* u! i( l. o7 T$ e( G( j + 1)
9 {6 G0 F6 V7 C7 W# I* T3 C]$ X$ i. ?2 R% ~% }$ T4 u& X/ X
let k 3
0 W: u: l7 O# B) J* F% mlet power 0! `' w) O0 A! C- L/ [# s: K
let local 02 |3 Q; o' x; z$ C" R
while [k <[trade-record-one-len] of myself]' v1 g* H. m! |, ` h# n) E3 o
[
/ K: z; n2 u5 `1 T9 F7 `3 L2 `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)
: c! W; M6 Z) n/ H Bset k (k + 1)8 \* V* I* ^$ o: {
]! l& ^* u* Z1 @$ M* Y8 X
set [local-reputation] of myself (local): z% C$ z& y; t5 H* o
end, W+ ?- n7 p& c% j, m
5 S' R! ^+ d7 O/ T# Eto update-neighbor-total) P6 G' M y D& w* @- ^4 @) J
8 D+ Z: h5 r+ ] e8 |: ~. aif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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3 v! X- o# ^! K3 j- {3 y
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。
' @ C5 p2 _; `4 {# Ilet l 0
$ W2 \4 P2 C! u0 E* ^% o2 ^while[ l < people ]' x1 Y" |* v& B5 k# t" K2 F4 I
;;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% _* j. x2 e& t: ^' T
[8 ?& `0 P3 ]7 K- a
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ _1 ?8 W" H1 l) l6 Nif (trade-record-one-j-l-len > 3)
" i3 M+ @2 |( l5 ^[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-one0 p) P3 x3 F8 r$ x
let i 3' n% s+ [ Q" D3 n1 A( s
let sum-time 0
) k0 B3 W6 b! m0 r+ F& O1 T% _while[i < trade-record-one-len]
" n* Z6 q8 [' U: K0 Z7 |[# M1 o7 _. H! V" V2 E
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )+ I* `0 \1 ?" [5 }$ j, k
set i* d. @% _. h: {# J" r; F* v
( i + 1)$ q7 f, l. v6 K! U' c
]
0 R# e i. t# _0 Zlet credibility-i-j-l 0" t6 c6 Z; b/ T4 L" }
;;i评价(j对jl的评价)
, ^$ E; J8 B# blet j 3
T, h' r" Y2 S& ]) Z% Hlet k 4/ l# S/ V! y- J2 n1 j0 w4 e
while[j < trade-record-one-len]
; K; p; Z, ~) r7 y! N% P' ?[
! U" L( {) o* g+ |6 i' ]" ^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
$ W2 ? M2 \$ {4 q, a( gset 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)2 b: r5 d2 z& F
set j& K9 {. e i' n! Y4 T
( j + 1)! ^. z3 g( i6 v1 I
]/ F M$ x& d1 |' t; f. L# K
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 ))
/ o$ K" ^& g( @5 R4 D! {. `% J5 K) P9 `5 [" F' b
# t! |" ~1 R3 C4 {: x6 j5 M
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ m6 r, Z; c0 }' q1 W;;及时更新i对l的评价质量的评价
9 N0 [( D2 O. D+ s" qset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
$ O3 _# s& X7 }/ ^' R1 m' s( x7 eset l (l + 1)% q4 _& r% v8 a0 [& ~7 I0 _
]
( F0 P- ~8 l+ E% w6 l9 U yend
6 f8 ^3 `- i9 G
* B. I7 ]$ s. {8 M8 F4 A) {5 y/ Vto update-credibility-list
, u1 E/ n4 @( b' ]let i 0$ ~. [0 }4 Q( b* n2 u) p5 [# `
while[i < people]7 s* X; |. s" d
[& l( Y0 y Z: S+ d5 n; f6 {* P
let j 0
& n; _( } v; C. m: {6 ]6 Xlet note 0
) v, B+ g7 i5 \let k 0
- B- l, | I0 @7 k* G;;计作出过评价的邻居节点的数目
4 P# N# C5 j4 p( m$ qwhile[j < people]
$ h+ b% V. h8 h[4 e% A2 u. f7 j% A0 m3 Z
if (item j( [credibility] of turtle (i + 1)) != -1)" g" r3 q a! z5 ~( D5 L
;;判断是否给本turtle的评价质量做出过评价的节点! G1 g' h5 K3 C5 w& n
[set note (note + item j ([credibility]of turtle (i + 1)))
% m5 U0 d' e- h- A% |) Q;;*(exp (-(people - 2)))/(people - 2))]
8 w- C+ {* R! S ^set k (k + 1)0 ] ~! d2 r0 M, T9 g
]
P9 m! I4 {2 g# F" M( Yset j (j + 1): \ l" W' x m, ^8 M) Z) `% C7 U
]
2 |7 K. S. n5 n& ?) @4 Vset note (note *(exp (- (1 / k)))/ k) p4 }; X) Z7 ~, X
set credibility-list (replace-item i credibility-list note)5 [2 j% ^: V+ b5 h7 G2 X
set i (i + 1)
$ }! s/ J/ t [% T]
/ I* U# @: H9 Z- v$ Eend6 `! L& @+ A6 H
: @ A1 w+ C4 s- H
to update-global-reputation-list
& c$ @2 w3 l* g9 Hlet j 0% d' t* `' V k' q0 u( {: D5 P; f
while[j < people]
0 }/ D6 J/ o: G6 D[
+ G9 I) K( T" L! l9 Q* i0 l* llet new 0
7 \& `6 J/ N4 P9 z! p1 g2 @;;暂存新的一个全局声誉( f$ x* s" _6 q! N+ Y, o
let i 0
" `/ c4 c8 `4 {8 Tlet sum-money 05 }, v1 [( B- c: I% W$ Q- @2 C
let credibility-money 0" K; Y5 `* r$ J! n9 \4 T" w
while [i < people]- Z& Y) x& f _" k
[
/ ^& R: u7 Z* J% e# R) mset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' k9 s; t! [& P2 j8 D5 d Qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), z2 ?( w+ Y+ i, f
set i (i + 1)
" _# S/ |( ], H" a]7 [" K; ~. N$ L& j' f
let k 0
. G. b* o6 Y% ?9 b( @- B& P3 jlet new1 04 i* l2 ^& I) w5 ]! [9 }4 v d# r8 }
while [k < people]* o" w+ i8 ~' I8 v% q1 e! q: s
[4 H4 x* p# J* q, W6 n! Q3 J
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)( E& u9 ?! X) R7 m, C; v0 n' j" |
set k (k + 1)
7 y8 V! T8 N% [' e]1 C* p) v! j1 G
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) - M. \1 f0 D! p9 N3 }( R0 j
set global-reputation-list (replace-item j global-reputation-list new)+ F- K+ X5 w6 h; O7 I
set j (j + 1)
# t' A. Z+ J7 u% g( M- m]9 V. F/ L$ T% T$ c
end
4 v, @) Z1 D% V: J/ j% `- a; S0 B# ]: M+ }
% g' j6 R: |5 J1 f( Y/ l# i q: d
% K' t; o* ?: cto get-color
! m9 [ b6 W8 ?) m
. C9 k A6 K8 pset color blue9 y) V( ? t% ~) Y
end
% D, p# Z6 Y5 N: G" q. R
2 m z& O7 a1 O. Fto poll-class7 h4 W2 }+ U# O. E) N0 X6 \
end
, ^$ ~; y6 j) k: s! H/ s
/ c, P0 g' L' Q2 q/ mto setup-plot19 `. G# V( ]7 `2 _
3 I3 D+ m8 J& @1 f
set-current-plot "Trends-of-Local-reputation"
, O. M0 s$ h: g; \$ U3 U6 U w4 b7 I
set-plot-x-range 0 xmax8 H" u4 g9 D5 L, e3 L
, @6 y; q. |# ^, ?7 _% ~set-plot-y-range 0.0 ymax
5 U/ j' n, ^+ send# i s; i A* L9 x6 `
q4 B# u$ D6 Q& { b, d
to setup-plot23 |' F' v, z- @5 s: g, h U+ W1 J
9 F1 G$ S- k0 @% i8 Q% Jset-current-plot "Trends-of-global-reputation"
b- J- ` q" [: T) j" ?7 K% t- D; ^% l$ z9 h
set-plot-x-range 0 xmax7 {" _7 @" J7 Q) x9 ?
# K! r( C. @. h" Q4 [
set-plot-y-range 0.0 ymax5 e& R6 }5 ]* Z% U E
end) a) ]/ W2 K) h% M5 f: R$ G
) G5 H7 v2 w, a
to setup-plot3
3 z# `' Z+ U/ ~7 D) D, w+ v1 o7 k: r0 g; m i0 i
set-current-plot "Trends-of-credibility"
* I* _# V! \6 }4 _8 S0 b! C* Z/ ?
set-plot-x-range 0 xmax3 l: P, I' N# i
5 I$ P8 x& j* s g0 R- t0 M( M
set-plot-y-range 0.0 ymax
" C1 d( }' b3 D; v7 u( hend( b$ l8 s% `+ X- X& R3 l
' @# _: G( i3 D' L& k4 s5 g
to do-plots
( A( D0 S! s: U6 M6 Bset-current-plot "Trends-of-Local-reputation"
8 y; [5 v: q2 T$ @- q/ k4 \& `set-current-plot-pen "Honest service"
+ X6 Q( F$ m' N" @) w0 Eend) [; D8 y5 T. g1 c9 A5 c9 J3 G$ h3 K
6 L# I' j# `7 Q" ]
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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