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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$ c6 m w* O/ y
globals[8 q& q, A6 W/ {; H6 R& H
xmax. H2 c# |: v8 r, Z
ymax' {0 X0 N! h) g% U& |3 i9 F$ m
global-reputation-list
3 O: l* Z7 x! U& \ A3 r: x1 e. q+ X* U; g! i4 H
;;每一个turtle的全局声誉都存在此LIST中0 f: o' {4 l. O. \7 {2 ^) D
credibility-list: H$ d5 C" T4 B8 A, X- a
;;每一个turtle的评价可信度! |/ K1 `1 E; j; l
honest-service
4 Y9 \8 w( N5 s) Y% s& Vunhonest-service) [8 j2 Y: k7 T1 a" g3 m
oscillation
$ d! P8 k# D' P& `; |rand-dynamic) v* @& R8 C, P2 J
]
+ X/ M# l8 I( F* K4 @; |4 p4 P8 z1 x
6 p' \; }( _, n, \# Nturtles-own[
8 Q8 U s+ Q0 I" k3 q! ntrade-record-all
0 j) ]4 J7 m( F' H5 D) w m;;a list of lists,由trade-record-one组成
+ ~+ B3 M' J7 `5 htrade-record-one$ c. l5 K* Q( i
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: L3 x5 Z# t/ p
" ^$ Z1 w8 Q4 F+ v& x;;[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 v6 r! e2 E% R% Ftrade-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], Y, l2 ~+ N+ r5 I' c8 F
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
5 ]. W5 B' S3 V. ^neighbor-total
8 m( ?8 J3 O1 s;;记录该turtle的邻居节点的数目" b6 h) C) X% b3 E2 z
trade-time3 e' |( m4 @" F
;;当前发生交易的turtle的交易时间2 s: b( s( k: Q" k
appraise-give( H( s! z m8 H+ W# x- W Q, B
;;当前发生交易时给出的评价
6 I/ r) [- k7 J& n- Sappraise-receive
7 D- s" ]5 N0 h5 [3 [! |' N;;当前发生交易时收到的评价, x' _, a" P# n8 z2 d
appraise-time7 J8 j9 l: y; W: H0 a* V" ?7 X
;;当前发生交易时的评价时间7 t1 F- M8 _" F; K# L
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
; O5 k& ?4 V: q' ^" btrade-times-total
3 ]0 n7 Z% e: a;;与当前turtle的交易总次数
! j: I" ^ T( W/ ^ Ctrade-money-total4 r( [8 w' d# @! R: R0 S0 d' g
;;与当前turtle的交易总金额
7 I! w0 P5 r2 t2 N8 llocal-reputation) f3 d, o/ `/ @! u& ]
global-reputation
8 M5 t3 g7 g: b, Qcredibility
+ w( c. _9 W7 F;;评价可信度,每次交易后都需要更新
2 q4 p9 o* j1 \9 ecredibility-all- C7 V" s ?% t2 w/ X$ _" 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' u' h8 c$ k( n/ Xcredibility-one
( f5 Z' e: P0 i0 R% _;;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
6 a8 O! i+ w8 V, A% Yglobal-proportion
. a) o9 V4 ]* {) \/ qcustomer
$ Q2 E. Z5 [' y$ a3 C6 V" ucustomer-no% ^3 @6 s( P7 N, R1 y$ }
trust-ok
8 U2 Y' X1 C+ d* _) h% E! |! a1 btrade-record-one-len;;trade-record-one的长度1 E, X" z$ f6 e7 f: a r
]/ e) L! g% F* I/ G" ^6 C
7 H- d% n( _- R3 @7 C( d7 j2 P
;;setup procedure4 D( y& V; a8 f% O" W
# u8 {6 _9 w1 }; n0 C! k) t; ]to setup
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ca
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initialize-settings
9 X t, R8 O0 U2 J. j
: l& X0 }% X0 }0 C5 ~crt people [setup-turtles]2 O/ ?( } ~& j& Y( n
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reset-timer
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poll-class8 D. n K8 b5 |& \3 G( U9 s
# f0 T/ f6 {; D/ a5 t, I! w- I
setup-plots
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do-plots( P- z2 b/ P6 M3 `& L& p
end0 K( r; i) S; Z6 e7 r/ z
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to initialize-settings/ m! n' f* J8 D- G
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set global-reputation-list []
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set credibility-list n-values people [0.5]
. ]: F" h7 _3 z, M- {, N8 N3 {
2 I+ T/ i$ v- L; f7 bset honest-service 08 A& l9 a, N" L8 N, p% |
- u1 h1 ~& n Y+ `3 z9 dset unhonest-service 02 o. R" p8 X! e i4 L& J
9 @" b7 V! u, t( D% A) Hset oscillation 0
6 P' ~* L s3 [
* x: V6 q8 L" @5 B1 vset rand-dynamic 0) w2 w, I& l/ k
end
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to setup-turtles 8 j# @1 x4 d( G: v! ^
set shape "person"
8 x1 ~" k# `& L; U$ csetxy random-xcor random-ycor! A4 G& m/ b+ z/ G' G, y
set trade-record-one []/ J- R, {7 F9 Z1 b: j4 P
5 B: {, u4 l ~0 h* b# q; Z& U- |
set trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []) x% |- D2 K- R3 o
set credibility-receive []5 ?" S' z7 h' e7 H" | D
set local-reputation 0.5' h* G. B) Q4 R' J' g I5 ^
set neighbor-total 0' t) b; L6 n5 S. P1 c4 K& ^8 _& T9 G
set trade-times-total 05 w2 j# `8 e3 M9 X( g2 C0 T$ f7 ]
set trade-money-total 0
! s4 d5 w4 |9 bset customer nobody
; K3 s* c$ @2 K2 A% aset credibility-all n-values people [creat-credibility]% Z; f. o* P5 C8 P+ X
set credibility n-values people [-1]
4 s8 V3 h; c8 P; Iget-color
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end
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to-report creat-credibility
/ T, G# ?0 H6 U- D! O. s2 b, hreport n-values people [0.5]
& Z3 G0 N4 Z& l3 L; q4 o) X/ Q1 M0 pend
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to setup-plots
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set xmax 302 [* X* V! ^$ V# o+ c
! Z+ K _4 i) h" G% hset ymax 1.0
* [) a" _6 \; d! ?3 ^( `. k- c2 C+ x, q
clear-all-plots
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0 I% |8 g" V! ?7 {5 o% psetup-plot1% w% ^$ C; Z" d% h, l2 ]; k, j
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setup-plot2, s- H9 L9 H; Y
! \& _ l/ x8 f& ^setup-plot3/ |2 n7 R+ N: p
end
% y8 X% k4 |7 t1 [ [, Q& m
& z/ H h* U: o O;;run time procedures
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3 A+ _, O3 s% x" z5 Wto go
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" L" D- n; t5 u4 }& o2 iask turtles [do-business]+ I: ?5 E6 h9 \- m, |% n
end
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n. O& q" Q- e) cto do-business
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$ A u- n. b3 y% [rt random 360
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9 l* w$ D3 F7 ~fd 16 n! x6 S- |/ L* O
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ifelse(other turtles-here != nobody)[( d) G" ]( S( G- y: c% R/ n
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set customer one-of other turtles-here P, D& U2 X/ D) y) A
- a- L" {- H, e' e" E1 S7 J;; set [customer] of customer myself
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9 {( s7 g; v1 B) n H! rset [trade-record-one] of self item (([who] of customer) - 1)& j# G: S! u. k$ o# j
[trade-record-all]of self# {$ m- W3 c g; E x! a5 t$ ]8 u
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
/ ] W0 n M! |+ w
4 l6 `% `0 o" I+ Pset [trade-record-one] of customer item (([who] of self) - 1); i2 L! }( e9 s) C8 z. G5 V
[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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set trade-record-current( list (timer) (random money-upper-limit))2 y( V! D2 W. l% Q. j9 S2 A
7 S- q' V1 q2 r/ n- c( n. b
ask self [do-trust]
: n9 x* k8 I5 Y0 G;;先求i对j的信任度, p& Y' Z$ z- |
! B% D) N+ d% ?( Z
if ([trust-ok] of self)- V4 D- B0 G; @% y' b0 v# |
;;根据i对j的信任度来决定是否与j进行交易[
! |5 S* f) {7 b4 a3 K) Lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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L" o6 g" S+ q) x
do-trade
& j0 O+ b* Q5 Z9 M9 Z) B: A7 I. t2 |6 k/ r6 `
update-credibility-ijl4 E) V) X/ O& Y
2 {( @- Y2 X/ }: U% ^ q4 f
update-credibility-list3 y4 \- `3 A% i* _- k1 W9 \! m
0 h" o$ B$ J. x" h1 w/ T! G1 ]
5 K. r4 k2 i9 tupdate-global-reputation-list5 G2 q3 [) z$ ~. q3 B; h" ^; K- F
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poll-class' e9 t9 \/ W C- G
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get-color
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: \/ s- d& u" g0 s" F]]' l1 J1 O l6 x2 Z0 H
/ }+ a6 a! o0 k0 V
;;如果所得的信任度满足条件,则进行交易' V$ [# _/ W: c2 O' [
a, B. f; z6 L# U( X7 D, T[) E- ^+ h* z! ?! U
: X6 R& U5 U+ Q. ~* urt random 3602 |) n* I* o( [( P1 c5 v
7 M# d: c2 B# Y9 b9 S( l# n
fd 1( f/ u- B7 K+ ^% j
7 w/ W& x9 T1 ^4 h
]
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5 Z+ x- K6 q3 {8 s6 n' oend/ _& h/ d: j) H% Z/ i
6 ]) u( x4 m6 d) N$ q' tto do-trust % ~# I. X2 u: }
set trust-ok False4 b2 n H N! R" ~9 c
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let max-trade-times 06 B+ V( |$ V7 C
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]' E3 e' P8 J% h$ B* k2 S. s/ }' V
let max-trade-money 0
. [9 l; y6 J/ L* dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]4 W5 L6 U$ M, R0 l
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-proportion
# I4 o6 U9 s7 ]1 N6 [4 O1 olet trust-value
' k) Z6 _( a9 f0 v" O- Klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
5 d- ~1 h0 {) h9 ?/ P' I" vif(trust-value > trade-trust-value)1 A/ t" L q+ I% v: j# |
[set trust-ok true]# x# l+ A, ]& K! z, ?; h
end3 `- J1 p) w/ W1 Z0 o5 ]
6 n) Q: ~+ M8 `! H2 A, ]: ]to get-global-proportion2 V# I5 J# x2 u$ y4 \- L& ]
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)0 _1 a2 w, \3 C5 W9 E$ @1 h; M
[set global-proportion 0]; q5 _" O% W$ M H1 {
[let i 0- |3 u1 {4 n: Q9 }2 w: u6 f
let sum-money 0
) t. |- c) ?' cwhile[ i < people]% L- }) l% ^; S! J6 U
[
, W& s4 e7 r" K6 T; m& Bif( length (item i* p( F# Q1 ]& V
[trade-record-all] of customer) > 3 )2 X1 U- ]* G2 c. P
[
?5 o* ~5 Q7 E( ` Iset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ b. Z G |+ Z: C& k]
: I$ n7 B( l% W F x s]
& `% a r, P0 U8 ^& V; Z/ e, Qlet j 0
" `) n% q+ Q' m# _0 n5 P; Rlet note 0
8 q1 U8 L" `9 S/ Cwhile[ j < people]/ @% Y1 {' ]& A! i# ~
[2 X: w1 g7 ~$ h0 \' M9 w; Q1 }0 A7 Q
if( length (item i
3 z7 p b/ R0 Z1 `0 a[trade-record-all] of customer) > 3 )
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ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
* [7 M2 g6 t9 {( e- i3 `[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 c" B! B* D8 L1 E/ Y
[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
* R7 ^2 x2 U- Y1 C) [( B' t: ]]; q, S8 \# R7 M6 E. M
end
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to do-trade
5 l0 A: q/ L+ _% d3 _- e# m' ~2 |;;这个过程实际上是给双方作出评价的过程
7 h" G' ], R/ ]& uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 N- p* r9 @" \7 s3 i- dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
9 v: h" E8 b0 i8 z8 o6 f$ _" Iset trade-record-current lput(timer) trade-record-current. D. o: f) b" R/ g8 l
;;评价时间- T9 y, g. W! d- W0 R n8 f% x& ?
ask myself [& b+ n1 x) Q' G: [, G
update-local-reputation! M. d& ~" n% s4 z. E5 d S+ z, e( r5 m
set trade-record-current lput([local-reputation] of myself) trade-record-current% ~7 t4 G! J% L
]$ j9 u5 h o7 H) Z& o0 B9 Y
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself& A3 {" r3 X" d E/ f3 w4 }
;;将此次交易的记录加入到trade-record-one中: z. K: F: z4 g! E
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 M! K2 U" m1 }% ~3 K5 `
let note (item 2 trade-record-current )
1 j7 Z" H3 G& a" e' ^% iset trade-record-current$ R4 [1 I1 ?$ W
(replace-item 2 trade-record-current (item 3 trade-record-current)) E( v* k& t4 a# X
set trade-record-current
, j% M g/ w' X J& ?(replace-item 3 trade-record-current note)
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ask customer [" H( [+ U" R8 W: L# E. S
update-local-reputation
! |. c3 J0 b: w5 ?set trade-record-current3 v" S s! M6 w( m0 @! @, E: e5 t
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) # A, l. b* G2 ]- @$ L
]- e/ l% s1 Z2 M/ A: X$ {
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 C }# ^' {' }& P
% [( U j I1 o3 H. u# u P8 Tset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
, i2 f2 l+ k1 ^: |) i2 m- ~3 w7 V;;将此次交易的记录加入到customer的trade-record-all中
! t% Z+ Y: O3 j1 Rend
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to update-local-reputation& @5 O# D0 Y) J4 w- I
set [trade-record-one-len] of myself length [trade-record-one] of myself
( a* k/ F5 K( b, S6 W2 k9 J2 Q& d0 i
% ~9 E+ K5 ^" l1 k; h;;if [trade-record-one-len] of myself > 3 ! w; b0 G" B& S, s7 w
update-neighbor-total/ H, F+ K1 Y8 h/ j [: R4 G
;;更新邻居节点的数目,在此进行
7 }3 |+ n* _0 e" D9 D$ I mlet i 3, f* q" i5 g. e% B1 g& B9 u
let sum-time 0
3 W5 Y2 ?, C2 y. S$ Rwhile[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) )( ]/ v. n. [1 C& Y
set i v6 A* A, d/ _' W: s: k3 R# _
( i + 1)3 \) _3 P8 o/ |! Q' G7 H
]" N8 w. L9 w& f1 H# t
let j 39 d# {& h" |4 ]; N* E& G, n
let sum-money 0
: h1 X- D4 P, m j7 h# ~while[j < [trade-record-one-len] of myself]. e# Y* T! R0 w/ a: {
[+ x5 q9 b" |# {; I6 `5 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)& A8 H0 M, d; V6 ~! H2 I
set j2 t& v1 u) ~) d
( j + 1)
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& Y) ]2 Z4 U/ s' x, U9 glet k 3! O' L# l2 { R+ P9 c* e0 r9 Y8 [1 ~
let power 0
3 C- k# L1 b, N9 h- W$ Ulet local 0# w, s8 o4 u" j& s# [
while [k <[trade-record-one-len] of myself]
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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) 5 p1 U Z/ A, s% d* w m
set k (k + 1)
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7 ?: v9 {, q( R0 e2 W P' Lset [local-reputation] of myself (local); w' }( D0 M( A8 A
end
1 {: H, H1 u( ?; N! l" h+ ?5 u5 G' D- ?# `2 M& O* A) Z4 L. S
to update-neighbor-total- j9 l* s: o) ~+ \8 f$ \0 J* V
7 O+ T& |% H: F( C) X0 nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* ]" y$ \3 a5 a, t
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end
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to update-credibility-ijl 0 {1 M8 v0 k8 d$ l& ?
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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。
9 q, @3 C- `% m- E" Ylet l 0& [/ ?9 N$ ? I! h5 T
while[ l < people ]
, p: o4 n$ i, w% ?9 ^7 K8 A;;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& B5 k4 P' D( j, R# @
[
. C( \6 f( |/ Y, S `5 j4 ^let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
9 i/ E, O" @" e) C! N# N( e$ m5 N* zif (trade-record-one-j-l-len > 3)% F0 k- b' _2 b$ q: 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
0 t& k6 V9 D# T0 Elet i 3: h W& L: N. |1 B2 K
let sum-time 0
& t6 G$ Q$ x2 ^7 ]0 H5 I. G2 Uwhile[i < trade-record-one-len]/ H; S, s: A" q6 B6 H
[6 R N/ k, p+ B0 V: ]* G) N
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )' `7 o6 z. L; I1 M3 m2 F$ ?7 i O
set i
$ X5 x9 c/ Y! j2 Q( i + 1)! s9 o1 p* a3 U& S- b( B7 ]
]
7 Q) p) f/ _% m# ^* m# C- t5 |let credibility-i-j-l 0* t8 s: Y8 A; l; l
;;i评价(j对jl的评价)
" ^1 q2 R9 `( ~) V9 Tlet j 3& N1 w+ S6 J$ p. k- F# Y* O
let k 4
) O( H: n. y* ^- n$ nwhile[j < trade-record-one-len]
; U$ k, N: k7 M4 ~3 W[# R( z9 k+ R' L2 s1 o$ v! s; r
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8 K2 j2 a5 n2 A$ T+ L; a
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)9 O2 U( c1 b, z9 V! b5 J8 A& a
set j
8 g$ d+ a8 s) b$ t8 e- X6 Z( j + 1)( v: Z: u) W5 T7 e9 K" Y4 ?* \# |' M
], Q/ U1 S# W' n, z* s& F2 O3 v# L
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 ))
$ d6 K3 h2 V9 [; U# O
* f0 ?/ D R8 v& O" Q" q9 O
6 E, H7 c9 c, ~, q& o1 H. Klet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
" k6 x: X0 v7 u9 o7 G, R;;及时更新i对l的评价质量的评价
9 ^8 @4 s9 `* i! v& Sset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 D( l+ Y. | j
set l (l + 1)
1 ~: k. d+ j" x8 I& l: K/ r, `% V]
2 a5 N% l/ A/ u9 ~% ~* @. H% Kend4 i6 F% p; X" d( z: Z( z! B
p3 Q' [0 V; R, S
to update-credibility-list3 { L/ N% w9 g5 ^$ g; o% V
let i 0
' P$ K/ u; F; { S) B# uwhile[i < people]' p$ g7 E/ |, D5 K$ l `, [& T) w# |
[
8 K# @+ ]' S% B# r4 g( K* plet j 0$ b' ` n4 [' t$ `
let note 0+ G9 v+ ?& B8 a' o, C1 @- ^
let k 0
0 C/ m! s; t# b' V& w;;计作出过评价的邻居节点的数目
9 U j7 T5 i) L, Awhile[j < people]
! E4 x4 s2 n( C1 B6 Y[6 m0 J. d8 G# U; P! g
if (item j( [credibility] of turtle (i + 1)) != -1)7 Y' J" J; _* W$ J$ y$ a6 g( Z
;;判断是否给本turtle的评价质量做出过评价的节点
5 w4 {& S; i" _4 l[set note (note + item j ([credibility]of turtle (i + 1)))
0 _( _$ i) \/ Z+ }$ n" q;;*(exp (-(people - 2)))/(people - 2))]
0 F1 D+ Q3 ]+ g5 @1 H: [# l- Yset k (k + 1)+ Y3 Y: d8 ?9 l4 t5 C
]
' V6 x. A- Y+ k/ C/ t( c+ fset j (j + 1)
/ `! H) i+ C1 H& m& j! T% F]
5 ~. E* A6 m1 nset note (note *(exp (- (1 / k)))/ k)
3 A4 W. A- v3 P- D2 k+ mset credibility-list (replace-item i credibility-list note)7 k2 [4 Q' N. E! m. z P
set i (i + 1)
* G# z( E$ M# w: K: b8 x+ s]8 g1 u) K$ s# k9 P- M
end8 D0 r) H( E. i) {
X h5 m( a& O. T
to update-global-reputation-list
- `$ _+ t3 K8 {% g- M$ f& {0 ?! Elet j 0
; I+ j( y% s% Y: F# {while[j < people]% N/ D% [# Y. ~) ]
[
" S% j( ]$ L5 R; T) Wlet new 0$ E# E% D- i6 {
;;暂存新的一个全局声誉
# k$ y' c+ O* {" clet i 03 K' G0 B# S+ M4 x3 |
let sum-money 0
; c3 l* u8 a) Tlet credibility-money 0
6 U. m) V4 }+ l' ]5 n: kwhile [i < people]
; w, H, `: }" r& T& y- q4 T[; a4 x6 B, [6 h i& m# u
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 l: N8 ^$ \! }/ I' s" }set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))% n, [3 U* p1 w+ u" ]
set i (i + 1)4 C( }3 m# b) E1 Y6 z" a
]
7 S+ J7 x U6 N8 }let k 0
# ?) a4 E: v- e/ nlet new1 07 Q% K1 O6 D; @& x
while [k < people]
/ e @9 ^3 c+ ? L) T[ {, Z; b4 ~& ]. I- O
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)
9 G5 D, e3 m E W9 s! |set k (k + 1), i* Q! A w( y- G# I) N
]1 @ c# `/ M. v9 a+ X2 X$ ^
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ! b' V8 g9 l. G
set global-reputation-list (replace-item j global-reputation-list new)! P0 ~) a( W: ?$ X9 H# o
set j (j + 1)4 n( ~, ?# w/ b. ]8 w, {8 E
]9 _+ D, G1 z8 Q8 t6 j; j0 ]
end
8 V! [5 L0 S$ _, d( W1 J) m
+ E. m! s p& z' `% u' P. \. f9 g) `" [$ b6 E
3 e6 `* ?( b0 K+ k
to get-color
% }1 t) n9 T( B7 _; c I F4 {# I# U$ A9 h* v) @# c/ ~/ [
set color blue# v! C( E/ h# T! H
end
8 g) o+ s' F# x" k1 h
# ^1 A2 T5 }8 U. lto poll-class
8 k! o8 V0 u' k% l6 F. m7 `; iend; O# S- R; M# d$ e9 P5 D
% y8 g9 E+ s6 Y' V' y# gto setup-plot1
9 L# B! G% X: C" ^9 [4 C
# Z7 M7 ?0 ^. X: n/ U9 l" @set-current-plot "Trends-of-Local-reputation"8 ]! E0 P! j1 }/ ]
2 k2 T& i- p8 J, }4 Mset-plot-x-range 0 xmax9 R7 h# S+ ^! ?3 c
9 d! j- F$ W0 `$ ?/ Pset-plot-y-range 0.0 ymax
+ D4 J1 D, Q% ?2 Jend
% E8 x5 O! h( ?- c
, s- K/ M/ P- ?4 w: @7 u7 Cto setup-plot2! _% r6 |* T3 t" |' V4 j* D# b
. ~/ I" x, [# K3 `! A8 h% y
set-current-plot "Trends-of-global-reputation"6 H4 d9 r$ K2 y* ]
4 n9 r' x) K: _3 f" q6 `
set-plot-x-range 0 xmax( u n1 K% N' a6 X" ?. C' ~1 G
4 H) X1 J: L* P, Cset-plot-y-range 0.0 ymax5 {: f- n9 L/ Q/ `: D
end% R- a d! ^, z+ X/ k) B8 _
" J. z: L( h& ?5 Q: k9 Wto setup-plot32 b. m+ @; j( f+ E* H
1 @% Q1 \) A" N4 e8 x2 z, ], w( t
set-current-plot "Trends-of-credibility"
+ X9 C( y3 ~! I8 C' A. U& o4 ?7 H! M3 C- f6 |* W- T2 `. z
set-plot-x-range 0 xmax
! |: J; E0 D# n* u F& ^5 S0 k$ w
set-plot-y-range 0.0 ymax
/ J2 J( e; d3 x% jend
5 ?$ L$ y8 o/ H- g. }( k( F2 u4 Z) I5 L* U# ~7 U
to do-plots
( b7 G7 f6 ]3 i8 W Xset-current-plot "Trends-of-Local-reputation"# p4 F6 g3 R8 {7 t
set-current-plot-pen "Honest service"8 c ~1 C+ J E* u, e% N
end
+ z1 r9 ^* Y) O, x- j9 X
8 o, K" L- q: J; @7 _' l, c[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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