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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3 V; q! x- y( [7 r- @4 X
globals[
; ^) o. z+ E y5 t6 S% u- Cxmax3 Q5 E1 ~; X! D5 b7 d3 H
ymax5 G2 f* ^' j! }- e
global-reputation-list2 L) J" H1 U2 z( d" o- g( u
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;;每一个turtle的全局声誉都存在此LIST中4 k) E6 I* D. ~, D0 R5 Q
credibility-list
, Q& h; I+ {$ i0 M/ G7 C;;每一个turtle的评价可信度
/ A; Q1 c( Z3 d# d' Q% l9 Vhonest-service9 r. E3 R, {4 Y9 ~$ |' F) A" e3 m
unhonest-service2 l8 \6 O$ e- b( m% V2 n, q1 L6 |
oscillation
! }$ A" C8 o# ^1 x$ q3 Crand-dynamic' D; u' \6 ^! ~. w9 ?6 Q% f
]
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turtles-own[* U* _1 G8 K: b1 t5 o6 h' |5 [
trade-record-all' P2 c. h0 I3 v3 ^) C4 p7 a
;;a list of lists,由trade-record-one组成 L+ i% E6 ?% p( d* b2 W- y
trade-record-one
+ H7 \- I6 }, P0 T r+ 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8 G) T7 c) _4 t4 @& b4 U0 T [
! P: X3 L8 p5 T1 {2 I) {;;[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]]
4 Q9 `4 R, D: 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]1 a8 e+ U& ^2 k4 P3 {
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list1 T1 x* e7 S) M& m' e8 W
neighbor-total
' [* q5 R! k+ w+ d& `;;记录该turtle的邻居节点的数目
3 m6 f N. \) Ptrade-time2 Q3 U7 Z2 p5 q3 R: M* c5 L
;;当前发生交易的turtle的交易时间" [3 y; q% n& f/ M( h
appraise-give
" h/ I# P" c# M6 M;;当前发生交易时给出的评价
+ ]$ J$ q H ?appraise-receive3 Y9 g- o+ ^$ U
;;当前发生交易时收到的评价
y0 i& ^& l' e: jappraise-time8 p/ ?6 W+ S0 D$ ]! @& g3 @( i( ?. z
;;当前发生交易时的评价时间7 ]5 j- o. a* q3 \
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ p0 E8 F0 x) R" l* ntrade-times-total
4 n Q5 i' H. P9 A0 M1 b# V;;与当前turtle的交易总次数
7 G. ?& |$ s( i/ o! `3 V- }trade-money-total3 i6 l' S& H6 `3 z' e$ O# S
;;与当前turtle的交易总金额
: x0 S; ^* N* q$ b0 i6 Elocal-reputation
/ B3 M$ R0 g4 ^2 V! X* Yglobal-reputation9 B% c' S* H) z3 n* h
credibility
7 U' J' b, ? h$ N0 I: Y;;评价可信度,每次交易后都需要更新
" \" }; ?8 E; ^4 Lcredibility-all
& B l# A, V! M; f0 `& i/ O8 [;;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7 [3 P2 t) `& n) k
' P i- i8 r7 {- |- v1 T;;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
4 `2 H. ^2 h$ ?) x, \; a1 q$ vcredibility-one
7 J% I4 |0 E9 z3 `6 k;;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 i& ~& O) I9 ~* y- s9 \
global-proportion0 c9 H- ~! i4 m! h' w5 i3 L( c" ]
customer9 Q, h. ~* G) V$ }
customer-no
8 p6 B9 }6 Q% y: R! ]trust-ok
2 m' q' i# v) Vtrade-record-one-len;;trade-record-one的长度5 Y6 X3 f+ W$ `$ o8 B8 x
]
# Y' O) ?) d, l' k T- x0 E. j9 A5 o* Q- V' x- q( B0 E W
;;setup procedure
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to setup* h! l5 g; q4 i
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initialize-settings) E, Z9 `. n! }8 l i# Y
2 S" E1 N( B8 z; N4 `crt people [setup-turtles]7 o( P- N# Z* I/ ]
5 u5 T1 D2 w/ @& M, \; preset-timer
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poll-class
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setup-plots/ `8 l; I4 a+ r o+ M& Q
, O* L3 J, E1 ^/ O& c1 @do-plots
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( M* C( z; L, D% \to initialize-settings. z" s ]5 ~& d4 `
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set global-reputation-list [] K m5 v' Q( T p; G. N3 R" U( j$ R
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set credibility-list n-values people [0.5]
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set honest-service 0" V% Q2 g0 `$ C9 W1 t2 I2 S9 G0 J2 C. B
2 ^) \' G4 _: y" D; }% @4 m
set unhonest-service 0
$ o8 K0 W1 \% R$ T8 y% Q
! m# S8 R+ B4 d: Gset oscillation 0
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set rand-dynamic 0
- \8 \) e, F7 _0 N$ a4 U0 X9 lend0 u8 }9 j' q3 o( b$ p6 Y
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to setup-turtles
+ b4 o9 F7 o0 s* Mset shape "person"2 \5 \7 u" c7 b# C2 ~$ F1 i$ G
setxy random-xcor random-ycor; c& ~5 \3 s& a* G' ?
set trade-record-one []* N+ ?' w6 s1 F+ o
+ K5 ]" r' Z$ }# z$ A% V
set trade-record-all n-values people [(list (? + 1) 0 0)]
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- W! p+ @9 O# @) Gset trade-record-current []
- H) _7 h! Z+ e, u1 \$ ` |/ qset credibility-receive []9 s, _! }$ b S& ~$ e! D! \+ E- ~
set local-reputation 0.5# c$ b4 G' t1 { D$ g
set neighbor-total 0
6 ~6 u7 H" d3 v1 o- X' z# jset trade-times-total 0
7 }; S& Y8 Z! M8 T' [+ ^( k2 Mset trade-money-total 0
9 p s, N' s+ u; Q/ pset customer nobody6 m3 s6 ?/ G0 \: p1 b5 N
set credibility-all n-values people [creat-credibility]
9 V% ^' g5 T& i+ j5 \' t8 R4 oset credibility n-values people [-1]
% s( ^; M! E% p3 r& C! a; qget-color
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end
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) P; y' W4 D8 `' y- |9 R. V& ^to-report creat-credibility
5 W& k3 @' V6 g" x* `report n-values people [0.5]
7 O8 ~( m5 Z. w, Y9 z% b7 S2 aend8 F1 H/ T) n" [
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to setup-plots' {6 ]0 l: @' P/ B- g- p
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set xmax 30
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set ymax 1.0/ Z5 f1 W% i4 x
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clear-all-plots6 T; x' e) X& I7 P( j- Y1 ~4 N
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setup-plot1
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setup-plot2
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2 A+ L0 B4 c( Tsetup-plot3
- q1 _( _2 b( z5 H, e& h/ y/ Cend7 B0 C2 n8 ]0 ]/ H
0 W8 G. Q; A( _
;;run time procedures4 ?2 _! w% z! _5 d
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to go
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: M0 s+ E y% g, u. m, `/ Aask turtles [do-business]' t, e% H+ U/ ~* a* v. M# {
end
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* @$ D- V& I9 U$ Z- b9 L4 zto do-business
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' r5 t/ o8 l9 U, C8 r* crt random 360: P j4 i7 R/ h) }
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fd 1) Z4 _0 b- ?5 k
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ifelse(other turtles-here != nobody)[( ^, M C0 Y3 v3 ]
" j1 E0 V; g: H+ K/ B4 W* hset customer one-of other turtles-here% W# \+ g* } U Q% n
, @5 a# j4 N) ^! h9 a" x* O7 s# {;; set [customer] of customer myself
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^' z( P$ j, r' cset [trade-record-one] of self item (([who] of customer) - 1)3 U/ C( h8 B$ R! O- M
[trade-record-all]of self. L8 K0 F$ Q# ^/ i* G
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 L- H: d. F( I) g& c
7 L1 {# U: _5 d, n1 s, `6 mset [trade-record-one] of customer item (([who] of self) - 1)
) {8 `% R" S8 Y6 P5 T, O3 y) s[trade-record-all]of customer
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( {2 H4 h6 d* Hset [trade-record-one-len] of self length [trade-record-one] of self
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0 r- `3 Y3 o3 a0 ^* M. Bset trade-record-current( list (timer) (random money-upper-limit))
$ [+ ?- f) h" L9 {0 b! X! Q
Q5 M" P9 ?' v/ p2 lask self [do-trust]' d$ l2 y+ g8 R' H0 b- K& Z3 ^" ^
;;先求i对j的信任度
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if ([trust-ok] of self)
G. s2 F! w# |8 }8 {2 s;;根据i对j的信任度来决定是否与j进行交易[
( F- r4 G9 h% R: Q' p) bask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& l; I; ?7 t- X3 G- d3 M/ \$ L" X
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do-trade' ]$ s2 n- S. s0 C" |( w
, v' U6 n+ O T$ D# mupdate-credibility-ijl
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. Y+ p# u5 D" R. p* e5 aupdate-credibility-list7 g. a9 Z0 P5 R9 s) _
a3 i" s; O* R& C# j! |) b
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update-global-reputation-list
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poll-class# X, R* N# t' ]& N4 H* N
: l$ O$ u `- w4 b- c2 |get-color
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]]
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w0 W, g1 f9 c3 ?) s7 _8 H$ b" [: e;;如果所得的信任度满足条件,则进行交易
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0 \ L/ P1 `. r p8 _4 `[' i" r* ~! `& i
# v) n p/ q5 A, s: T- i6 Q `rt random 360, O' t* f' H3 ?3 M
3 D) C' k7 O5 t: _* G3 {. Jfd 1
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]
% M6 d% l# o' U" l( {
2 o% P' A5 A! U8 bend
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to do-trust 5 o, y8 D* d: {
set trust-ok False
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let max-trade-times 06 Z' R: j* K; P" e* H T' |2 a1 T
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
s A+ p- U! hlet max-trade-money 0& i: D" A: h+ Y! x; D
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
$ x6 q R/ @- p% @+ {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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) r2 H1 @9 P6 `# M+ L2 `# b6 S
get-global-proportion
- I" T" G3 q# Y# |let trust-value
. Q6 ^# |; Q6 X3 z8 G( Vlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
4 p5 G( O" [- ?3 n4 nif(trust-value > trade-trust-value)
: O Z" E$ e# F' `[set trust-ok true]7 J& y! C; S4 D' y9 d9 ~6 K. R/ r
end
Q! [# C2 O' N7 t0 Y
/ C9 ?, O& J. y% z$ {# v* Jto get-global-proportion. |9 | p7 Y& m3 S) Y- h
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
, T# M; C& [. ]3 S[set global-proportion 0]0 O" t) ?4 R# E
[let i 0* z+ L, ]& \- \# x
let sum-money 0. p5 R5 i- \1 t8 t! E9 Q
while[ i < people]
! e: S" ^0 I9 ?/ L5 J, C[% D5 ?: `: p; ?. l$ A' G1 C
if( length (item i$ r$ y7 G+ p, u* Q7 o
[trade-record-all] of customer) > 3 ) ~. |0 L6 R! B" k
[
: K9 |& Y. g. D0 @3 X- T. M& Sset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! @7 f1 t+ f, F" T3 U9 j* z( U], c) l1 v( S2 ?, p1 Z8 ^& q+ r
]
, q. U+ M, a0 h x. A8 P# mlet j 0
! y b, \2 D: V. a5 X9 rlet note 0
" c0 ^5 z. q5 T& W- d+ iwhile[ j < people]; y1 @; J% G3 v4 T+ u8 ]) U$ T- r
[( c) r% v F9 E/ I) Q# K5 X
if( length (item i
0 ~3 A4 e, a `9 Y# N0 U, z! Q[trade-record-all] of customer) > 3 )
# O j' j& K! l+ F: W- q[
' d& j9 F- ]5 U5 nifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, V$ I* g$ c7 C& Q4 S2 Y[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% Q* h: b1 U8 N+ _) D( O
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
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( G+ h- B g# b3 Q& c]
0 @( L1 a8 U& B' @7 oset global-proportion note9 p: j8 c1 Z7 X7 \8 r/ f' b+ e7 C, Y
]
' ~$ |. q0 t" K$ f; K, i( g+ tend
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0 g) y% w# {$ @to do-trade1 Y6 q6 Y* B6 i6 e( `; Q- b9 x! ~
;;这个过程实际上是给双方作出评价的过程& c3 {; V. h0 q% F+ s8 [
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
& _, X" M( _$ n( K. n3 mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
1 d# a. u$ W9 K/ ?0 J% E3 uset trade-record-current lput(timer) trade-record-current
% d; @8 `, S' |* J6 L3 b& Q9 r! a;;评价时间
" w" f- P$ @+ @% Oask myself [; o1 \) B5 h/ v) H
update-local-reputation' ?! |0 { a/ w: |+ g# h4 }$ A
set trade-record-current lput([local-reputation] of myself) trade-record-current' d6 g# h2 |$ w) ~5 M' b" p: x8 `
]2 i3 v! e; Q# X: W" H
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
: @/ n% ^) k; j) ]) [' w- S;;将此次交易的记录加入到trade-record-one中
$ Q O; r$ K1 R. |4 C) Yset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 B1 _# s2 j/ v+ M6 Y$ a* X# J
let note (item 2 trade-record-current )
& z" @: F/ U) |! j$ aset trade-record-current
+ `# x& x7 d4 Q# n: j' }(replace-item 2 trade-record-current (item 3 trade-record-current))
( n5 [( [: N7 r$ Gset trade-record-current
; F, K9 M0 F, e9 _) @$ c% N. U(replace-item 3 trade-record-current note)
- N0 H8 @/ u0 s
$ |$ K b! q0 b$ |, ]% l' i& _! [, G& e
ask customer [( Q6 m, d" [2 m" v1 l9 y5 K
update-local-reputation
" x$ ]- U6 |# F' aset trade-record-current9 k) N$ o7 W; N3 D5 _
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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! h' K( L! P8 P$ b: Dset [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))
8 Z" G; B- i2 k" y;;将此次交易的记录加入到customer的trade-record-all中& \; ~0 r( r d
end$ d% B- x7 E3 c; A# g
# u0 u1 H* {$ i! d: N5 nto update-local-reputation
% F1 S+ K/ x$ a/ e+ J5 lset [trade-record-one-len] of myself length [trade-record-one] of myself
4 j9 B, \5 Y) p) X2 H" U/ H& Y: ]8 v& P* b% D3 g7 D* v6 E
, { G3 C A' t( c4 M; l3 O;;if [trade-record-one-len] of myself > 3 . A# _' d, v2 s. z* ?1 ^9 I
update-neighbor-total
5 K) t, `8 |) c5 d A$ s;;更新邻居节点的数目,在此进行
6 V- s8 v$ Q: z7 I, ?/ r* Y8 Y6 q" F4 nlet i 3- A/ K+ o2 g# A, j0 f; c
let sum-time 08 g" Y) i, ^- k- }# Y; `
while[i < [trade-record-one-len] of myself]* A# I1 f# x5 P
[
( L- t% T/ E( A2 _0 u# dset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
& S1 D8 c: ^! ~$ Qset i" n' A7 B$ |& h4 \
( i + 1)
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4 k" m% k. c2 A3 ?let j 3- f# U a# w' ~
let sum-money 0
$ s5 m7 }, \% p% C0 |while[j < [trade-record-one-len] of myself]4 I& A8 } Z3 } \
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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 X: f6 W; ~; m) r, hset j
$ c, L) j1 F& ] K. t7 d( j + 1)
+ P. T$ F" |' j6 d- I& E]
" g& z$ ^' A% w: I, |7 K- G; Qlet k 3& m% N+ L/ A ` a7 w& H
let power 0
: A6 T1 q$ y& c4 nlet local 0
' @& { K c: V# \2 Q8 b( W0 dwhile [k <[trade-record-one-len] of myself]* m1 Z/ ?7 g( B1 _1 p
[* M/ z% C4 d4 u! K
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) 3 b0 H2 n( ]9 `2 U$ P! J5 z
set k (k + 1)
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set [local-reputation] of myself (local)3 T; w0 \) ^) g- d/ h) o1 Z+ X# L
end6 Q" W5 ~* K0 w D$ K, H
" c P. [8 a+ P0 E. Ato update-neighbor-total
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) ]" p5 L/ q9 dif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]# y3 T5 N P% D* S9 O
0 d" ]" {$ c$ v3 ^9 }# y
q/ H2 d0 v" p& xend0 s( F. r" @+ j( J6 z. r
; L, v( W. r, eto update-credibility-ijl
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0 b# A9 P4 M# |' i- K;;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。' K @: L6 m# z9 m! f9 C! x0 _+ Q
let l 0" i( h( K/ }) `6 W* w
while[ l < people ]" t0 B% [* U4 c3 y$ r: C# W( 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)
. ]- B1 i" E8 g, Q- sif (trade-record-one-j-l-len > 3)8 z7 ~8 u: [9 L1 I* c4 t/ G
[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. I3 W' ]' I, w$ U7 m3 l
let i 3
; z9 E) m8 ^( Tlet sum-time 0- d1 I) n' g6 }2 }) m
while[i < trade-record-one-len]8 @3 S2 h& S5 ~1 i# @$ d+ p
[; e* [2 w8 \+ a. _
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, w8 T* `/ x1 n6 D; \. T% ^set i3 E+ }6 u/ v6 A% x" u
( i + 1)2 P2 B' a( k. v( }, O; Z% U
]! H$ C- V/ n' [9 b; a- k$ }
let credibility-i-j-l 0
/ H2 X. `4 }3 h1 R;;i评价(j对jl的评价)6 w0 l: K8 n5 M) F
let j 3) ^# V, M6 N) I7 Q5 e5 `2 k# L0 ^
let k 4
# p! W- i3 ?1 p" ?5 qwhile[j < trade-record-one-len]" \& G* t+ [, ~6 {
[
9 y0 Y6 H: v* ?# \. _' gwhile [((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5 L. B0 W; \. n' L' N* l. c& \8 r2 f. w% z
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)
# J3 N; O% }" j. K/ M/ }. x7 Fset j5 Y$ }" f" ]4 D5 D; Z3 R
( j + 1)
0 H3 m: E' ?6 {$ c+ ?]& t% W6 f& W; e" m6 W* h/ X
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 )) _4 g j' A; d( N; |
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))9 _% k/ w9 T$ U; x5 R
;;及时更新i对l的评价质量的评价5 `; t, C! g- V! _3 |
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]4 O+ D" f: m( b
set l (l + 1)! i* B6 X' f; L! ^* F: C5 O
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end% o1 k* l; V+ u% H: C F! d
" p: ` `/ Z6 \to update-credibility-list0 e% z8 ^# z+ F
let i 0
1 X! m" c' E: `) ]3 dwhile[i < people]
; @: f! Q# a# x( r& W[
' s! z6 V& I9 s# rlet j 0
/ q5 J U" X+ Glet note 07 N& z7 d1 I8 ^7 I& u
let k 0: z5 [% X) G4 X! l2 }
;;计作出过评价的邻居节点的数目7 u* y/ g+ a% P1 h2 d Y9 {
while[j < people]) c& E' l: M( v1 p; y; e9 M5 F. A
[
+ t1 \/ P: q7 U1 P% Q# M9 u6 s3 Z, Oif (item j( [credibility] of turtle (i + 1)) != -1)
, E% ^! \ A- s( a% t0 V* A;;判断是否给本turtle的评价质量做出过评价的节点0 i: }& l7 h6 M
[set note (note + item j ([credibility]of turtle (i + 1)))1 X8 \9 `8 f3 H0 ? O
;;*(exp (-(people - 2)))/(people - 2))]* V; B- z* W. ~! a$ _, }7 A1 i, ~& Q
set k (k + 1). T- \- ]+ c% x! `: @9 o* h! l
]
5 k; R* ?% V" q' b# pset j (j + 1)+ y* V& ~5 n8 |% G5 n
], W: Z: ?! v, @
set note (note *(exp (- (1 / k)))/ k)! S0 P! R( H2 d
set credibility-list (replace-item i credibility-list note)
* E9 L7 ?9 P- W! k5 R9 [0 W# G1 wset i (i + 1)
3 p7 ]' O! c, T# c& `+ H6 T]
2 b* o+ R$ p& F' cend
8 R9 {3 f+ B$ N j
9 E, G( L. q! \; lto update-global-reputation-list2 c4 M4 f; [( P" ], i# ~7 i* |
let j 0
) J/ D& B; S2 l2 }9 F& I3 T' Bwhile[j < people]
8 C6 V( ^' e" z+ i, H0 F[4 a1 t7 b" j+ j& r$ k& a
let new 0 B, @! C& z$ j V$ m7 Z; V3 q
;;暂存新的一个全局声誉. H; S7 C V/ s
let i 0
$ k3 n, \1 K( t5 x2 Klet sum-money 0
, a' X* N( q8 ilet credibility-money 0
( ~% @! `" U9 lwhile [i < people]' `( F3 y8 r) N ]
[
& R2 R& R, c- d% g9 \set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
4 }; i2 O2 ]; Yset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))) [- _; c* |* A" |
set i (i + 1)
+ p% o0 h( N) J$ O1 { r* C6 n7 I" i]
6 s( u. L# b! |, t/ L$ Dlet k 0
" l1 o. ^! w, {+ W, q0 m4 Q( a plet new1 0/ J `( R/ n% x j u: K" O5 L
while [k < people]
6 q) O- G4 P9 v2 _; {[. t, K2 U6 e& }( ?
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 V2 g# o7 w: L; H" }1 Mset k (k + 1)2 C$ _! x$ N. f* |4 C$ D0 T5 l6 f
]
- Q: c9 T6 G" mset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
+ \3 i. o2 D+ |* r8 R* N% f7 _set global-reputation-list (replace-item j global-reputation-list new)
" |- i$ O! ?6 J* jset j (j + 1)3 \# K; ~& k0 \
]
2 [0 x }) g& [3 ]end7 E) t, B, \) [
, G; Q( O! h! H! ~! L9 t0 l& @
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to get-color( U8 H+ n. K: M2 R2 P( a
$ \0 U& D0 w) Y# q9 f3 R' a8 N
set color blue. Y% v, S+ D) M$ I7 z& U# }
end
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* v7 ~& v: v+ kto poll-class
4 `: e4 o$ L3 P/ H6 M0 \$ hend; M" y, G# X# l$ t7 Z
+ w' w% |# y7 \3 w9 }6 }; ]& c
to setup-plot1
9 u. M, P6 K+ m: R3 H% E) E) x: _ m+ E6 A0 J
set-current-plot "Trends-of-Local-reputation"
% i1 k8 ]; k4 D' E, {( E' O$ p f1 Y* d/ d8 G8 a* G
set-plot-x-range 0 xmax
& A% r( O7 C, s( G/ O; o% i3 ^5 V3 y$ k ~5 z% o: i
set-plot-y-range 0.0 ymax
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. g+ j5 U* u% ]4 q fto setup-plot2
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set-current-plot "Trends-of-global-reputation"1 e9 p, J) Y' O9 @, H$ j
8 w( s" x. ]* T. S7 C6 d
set-plot-x-range 0 xmax
; _3 x' ], q c4 s3 T4 U3 i0 a7 N8 G5 m
set-plot-y-range 0.0 ymax
/ t* n! c0 L6 s0 Dend# d `4 `9 X( d% M9 X/ }. f- v
* I* w: M: y, F6 y) X( Oto setup-plot31 f! j% E$ y, S
( a9 ` p0 y: K) i2 ?; K; ?set-current-plot "Trends-of-credibility"8 |# |) |' _' P8 \. P: N8 x
" U( r5 v h+ {' M+ gset-plot-x-range 0 xmax
* b4 Z0 b# f" Y. Y- U& a! |9 w
# k( s4 |( @9 |2 t% lset-plot-y-range 0.0 ymax( B& x# l- N7 e/ `
end
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to do-plots, t. V2 }" c3 f- }, y3 d
set-current-plot "Trends-of-Local-reputation"- m' M: V4 H; p% D, c( w
set-current-plot-pen "Honest service"3 H0 x/ d# ?: a
end/ l2 `7 @3 }0 |# y% c- c+ R
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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