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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
5 K/ ]) n4 _) Y% Z9 @globals[" a& [5 e: I: q4 `) _) L8 s
xmax
5 Y {- j+ D& Y& A' x9 Y4 Tymax
; F( ?7 ~; A* mglobal-reputation-list1 U" p2 m( T. k8 l/ N* p
) j: E& n6 M9 J+ r;;每一个turtle的全局声誉都存在此LIST中5 H1 Z _; G4 F8 f0 k5 c2 Q, N
credibility-list+ d; @' X# _8 q' ?; Z
;;每一个turtle的评价可信度. d( f8 _2 _" a! m# Q/ X
honest-service
( E3 \9 Y i6 g8 {: r6 punhonest-service' A6 n1 @" W* ]# ?
oscillation% |& S0 m$ Q+ F) d# S5 d
rand-dynamic: g) k9 Z \ @( W
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- Q! u# o' i/ s6 }6 Y% R. kturtles-own[2 [+ r5 a; i; p( L# M, _
trade-record-all
$ E1 v% _) r' P& [;;a list of lists,由trade-record-one组成. q/ Q0 C- x4 N8 I9 z5 t
trade-record-one
" z8 ^; W1 Y3 @" W1 c3 o3 a;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录& q3 [1 u1 b8 d: x ^* n
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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]]% h( C: `0 y& a- n+ m
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]
) X; G0 q0 Q) j4 Z" dcredibility-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, A6 |3 p, } b# w. R
neighbor-total. i3 j; b R$ i. L
;;记录该turtle的邻居节点的数目
* j! D( {/ E- R8 ?trade-time* ~+ \, x# f6 T; ~/ d- A
;;当前发生交易的turtle的交易时间' @& y5 Z5 Y7 Q; |# C- Q. w- E
appraise-give
6 J" }9 O3 F3 D1 P;;当前发生交易时给出的评价
9 J8 T# h2 q8 D8 g. ~7 Xappraise-receive
& w O& O0 d0 `: Q1 T; Y0 f9 V;;当前发生交易时收到的评价( f" U2 N$ f. p' |
appraise-time' L; R1 c5 C8 j4 l1 ~% }
;;当前发生交易时的评价时间* |- F8 x0 ^9 P7 C$ k
local-reputation-now;;此次交易后相对于对方turtle的局部声誉# K6 n, A! P2 T3 U% c' q; a+ p) V2 F, \
trade-times-total
; L- T0 o% r, O# N) l* C/ M;;与当前turtle的交易总次数
/ j" A! l* H9 j3 c# q9 htrade-money-total
% S9 U# z3 r J: Z2 k;;与当前turtle的交易总金额, K; K( ~! ?% g' G/ B2 V( ]% s
local-reputation
$ z3 [1 ? T) _4 N& _* h* f8 W n& r! gglobal-reputation
& `* H3 _1 P, ocredibility
* m% n" I- q5 _; ]! T2 K- Z$ w;;评价可信度,每次交易后都需要更新
2 `. ]! W6 M2 Fcredibility-all% [# m) Y- N0 f; Q5 y
;;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
. D: X7 N( N; M8 g4 w$ Kcredibility-one/ Q" M8 W: I, I; S# U
;;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4 w1 R, X3 O/ f) Y' u8 p
global-proportion
- {4 s/ H$ a; Z: ^7 \customer0 F/ k8 `4 ]* F, s3 K; I! f
customer-no
" `$ k5 u- B- ^0 T0 [* |% Jtrust-ok
9 w' e: j9 L5 B$ K; Itrade-record-one-len;;trade-record-one的长度1 _$ b* {. V2 s1 h8 K
]5 k; O) h5 r& U& _
) g! z7 X- i# u6 U/ n;;setup procedure
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to setup
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ca* R8 g6 s& L, {9 y+ D* J# T( \
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initialize-settings
/ ^% [0 {3 r! m; R6 W* {6 A$ y8 V
crt people [setup-turtles]
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reset-timer
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5 [7 {! R4 j Z! x- e6 _3 q) hpoll-class
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setup-plots* ^' Y$ S" q% Q* K
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do-plots1 u: e R) C0 \& t
end+ e7 @& _& ]" V/ i9 a! \
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to initialize-settings
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set global-reputation-list []7 @) K1 L, V9 L. q' C
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set credibility-list n-values people [0.5]
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set honest-service 0- J6 [5 `, T( ]; t
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set unhonest-service 0
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set oscillation 06 V& a9 E! N# X
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set rand-dynamic 0
" h. W9 W3 p/ M* Bend
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to setup-turtles / l. ?& c: R" V1 b; K3 M; i, k
set shape "person"5 k& P# s" a9 Z. N% ]
setxy random-xcor random-ycor
5 r( A2 R! n; T7 nset trade-record-one []$ K0 {8 w! g7 w# \( F: t0 h
( a) k4 `3 w4 | V& O) w: V- G* f0 L, sset trade-record-all n-values people [(list (? + 1) 0 0)] - u% Y( ~9 `0 R/ ? ~
3 j" w: L! I& F9 D
set trade-record-current []" i* M$ s/ E- I- Y) U
set credibility-receive []* h* [$ n2 T, z- ~) z
set local-reputation 0.5
3 f) q; @: K# W1 p% }set neighbor-total 0, {' {% R- a2 d# B6 Q/ a" J8 p
set trade-times-total 0# u+ A6 k2 x+ m* U k
set trade-money-total 0+ j; h/ W; I- Y6 T1 \9 I( b" s
set customer nobody
$ M- ^( ^# H2 e4 C( }) {) b3 c: w( fset credibility-all n-values people [creat-credibility]9 I7 O" X# z) A6 c/ {
set credibility n-values people [-1]* M# W6 y+ w/ E, |" e* Z& w
get-color* c& p* K; B! b( j' J5 q6 r* h1 e
& w' `" v t; Wend
$ g, i2 |! [$ r8 `% N; [) |3 Y! n' P$ v" _6 j
to-report creat-credibility
8 u6 p" B* A- x x. T2 i! f# Qreport n-values people [0.5]) L! E; J. B: T. c
end& |) `' t* N, s5 J" F) Z* T) P
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to setup-plots
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; r p/ F+ d$ x+ L4 Kset xmax 30/ U: M2 o: S% \% k/ {) D
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set ymax 1.0( a, @ c6 d5 @/ P" p7 l/ D; p
3 \0 I8 E' C! L+ M( i4 g' I/ wclear-all-plots. C! M0 ^" R$ [
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setup-plot1/ b' y5 P( {( q. Z; Q0 f7 S. b; ]0 |
" `8 g* Y% O' I: h. Dsetup-plot2
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setup-plot36 `" J$ @, p+ ?- Q1 c
end
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6 f. S6 b9 K; Q" _/ N) x; q" v;;run time procedures
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# S4 t4 G: A5 Eto go( g: S: l. r* Y
% X* D4 _! @3 s N2 task turtles [do-business]
E8 T2 y; l b* }9 q$ Y; l5 @end
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* L3 u0 r6 ?; u4 Zto do-business
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( ~! o( `5 J* V. frt random 3608 u. I7 V) Z( E8 X' X+ V! F
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fd 1
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ifelse(other turtles-here != nobody)[
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0 E: |6 r9 n! H+ d; a" A6 J" ]' Zset customer one-of other turtles-here/ v, _& S- H3 G4 m8 _& M
" P5 e& c' X, N;; set [customer] of customer myself6 d3 S) t/ c I8 p: M
; Y# U, S0 W8 s$ O4 Q q% Uset [trade-record-one] of self item (([who] of customer) - 1)$ U4 ^( J- d. p4 N1 G, C9 l2 t
[trade-record-all]of self
& O' G2 `% ?# t! g: h;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self/ W& M8 c9 F8 a
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set [trade-record-one] of customer item (([who] of self) - 1)3 u# N/ Z$ `5 E. s8 X. F
[trade-record-all]of customer7 U4 w' K- T' O5 D
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set [trade-record-one-len] of self length [trade-record-one] of self8 b' { w0 B5 F' q7 R' p0 v) y, ?6 {! d
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set trade-record-current( list (timer) (random money-upper-limit))
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7 X1 B: e9 O# c% M6 Q3 A/ Gask self [do-trust]
( b O- s/ k( O9 F5 Q$ U;;先求i对j的信任度
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e; g! I! F; @! |+ p% D6 ~# a1 Gif ([trust-ok] of self)8 y8 V/ K& i! v6 i
;;根据i对j的信任度来决定是否与j进行交易[
3 l- B2 g# z& j2 |. {8 g" q+ Z( ?" fask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
3 L8 w) k( e$ D' m% j1 N7 h8 a# k3 v1 k" O% ^7 V* ^) P
do-trade
( x* X7 y6 X- Z F s
$ k. l1 y# O4 L: Kupdate-credibility-ijl4 B! u s r; I
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update-credibility-list; A% _* I4 J' E8 N0 o0 Q
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update-global-reputation-list
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poll-class1 D/ w( K* s; O) M& p9 U) u
' T q, @# ^ p/ L1 p; L
get-color
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]]
; {! W/ z" [+ r" K" z
: B( i; |4 t7 P! E K8 ^;;如果所得的信任度满足条件,则进行交易8 }- H0 K. P" \! u J
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) r" |: G- U0 Irt random 360
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( n' v2 k5 ]* O0 D2 F$ q% B4 Ifd 12 v; ?. D$ R# q* H9 X4 l2 R
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]% F9 p$ X1 l! a2 S8 l) N
" S1 c$ j$ C- @' [" f# ?" B; w& ^end8 ?+ d! x; o' k) U& D0 y7 Y
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to do-trust
- c6 U9 m. k6 o& vset trust-ok False
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let max-trade-times 0
5 r) ?; b3 H' o, M/ lforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]5 n, x. d8 `7 N$ x% g
let max-trade-money 0! h( k& \4 |2 n/ a3 @0 F, k
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]$ [( H+ l2 n# {/ ?+ X7 U" n; _
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))5 P, s. ?. s+ g3 E" L7 {7 g
$ V0 H0 N- ~2 }! B9 U* h
3 o* ]3 z W4 ]/ jget-global-proportion3 s% L5 r- j4 i
let trust-value' P; J6 y) { h: R
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)% h' c0 R5 {% J) n+ ]. g
if(trust-value > trade-trust-value)* h8 V' J& b f+ w9 q
[set trust-ok true]! e3 \# E# |" `+ l
end1 i+ Z3 p8 L8 s, H6 e8 i
9 y" X% @& k8 L" d9 p' e/ n: V6 Dto get-global-proportion4 w& s, [2 Y" y* G' C
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" S1 l+ H/ b* |2 D* s; K# C
[set global-proportion 0]
: Q$ o1 x. w/ g: d0 t- T[let i 02 _! P0 l! ?. r2 m
let sum-money 0
6 r' a6 a- R3 L% m3 s2 r: zwhile[ i < people]* u% |+ e9 @" A% Y3 R/ C% j
[8 r& t, S/ ~; l, C1 V! k$ z
if( length (item i7 L% p: g" x3 y N) A# n- M9 {
[trade-record-all] of customer) > 3 )" N5 p2 P o9 M+ a8 l
[) O, i1 M4 o5 l$ w7 x
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ F* o0 X& U% m
]
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let j 0
% F; ^. t% u# O& V E0 O. slet note 0 T' q# x; P! V- ~6 v' w' F3 {
while[ j < people]3 ^- x# Z$ n* I9 F/ }* e& w
[/ [ \, o0 a1 f2 k+ H
if( length (item i4 M) ?( i) {( }$ d/ a+ ^% _
[trade-record-all] of customer) > 3 )
+ |4 X0 @, g. L- H% Q. [3 D[
K9 j" u/ U& O' Q- [# |ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( W, S* N! _. }1 r
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# @: P" V0 v3 Y! `; C( z4 ^/ |
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
: X2 U& L/ ? p9 ?2 k]
$ D0 t6 L: ~+ |]
$ c# L8 p5 k7 V; T3 H! [5 k3 Wset global-proportion note
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* E2 T4 C9 n4 I! uend( D+ r0 Z% J9 w( J# h& }3 {3 e/ q
3 J' }* r+ ]( A$ {6 n! Zto do-trade
1 T6 a5 O! B* z# V" V C/ K2 M3 p; E;;这个过程实际上是给双方作出评价的过程
& w; |) q6 ~1 ?" P g% ~& ^( _: K+ cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价+ V5 J5 N2 v% L9 Q- m: r9 F6 W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 l \; `! l7 L* |1 S+ hset trade-record-current lput(timer) trade-record-current0 V4 W4 W7 p# c9 A1 m
;;评价时间) s/ T( g$ Z3 P7 e# l* H! i
ask myself [0 B* O- l- A9 K6 F5 w+ F
update-local-reputation
1 x! ^% Q \+ U2 Z8 {( |set trade-record-current lput([local-reputation] of myself) trade-record-current
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set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 v) g; S3 K# @;;将此次交易的记录加入到trade-record-one中4 A% T) i9 D* z& L) _# k+ Y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
, X) v* t$ _- O O( Dlet note (item 2 trade-record-current )3 m. o/ t1 Y- ?
set trade-record-current
' |$ o6 B) _* f5 ]) F9 r(replace-item 2 trade-record-current (item 3 trade-record-current))
2 p+ U+ }9 J: gset trade-record-current
1 T, N J0 V) y( ~(replace-item 3 trade-record-current note)
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ask customer [
2 L; ^4 ?( D4 Fupdate-local-reputation
3 U7 D8 c) y2 oset trade-record-current& @" d! n" l! q6 M, b6 H
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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" y' g# A) Y2 uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer, n- Y! b; r/ k) K) N
1 M3 e& n2 Q/ x% L% [
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
8 y- j. p" I. m2 t1 {+ _;;将此次交易的记录加入到customer的trade-record-all中7 {2 y3 K; M& H" a0 Z, A* `
end
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to update-local-reputation
. m: \3 t* i/ `set [trade-record-one-len] of myself length [trade-record-one] of myself
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;;if [trade-record-one-len] of myself > 3
6 C( r- F6 g) r8 C6 ^update-neighbor-total' D: z8 f+ S9 o" w- t
;;更新邻居节点的数目,在此进行
# }. y4 q" p) T) Q# flet i 3
- a3 H) _# Z7 X Ulet sum-time 01 N+ S0 U: }0 Y2 x
while[i < [trade-record-one-len] of myself]
4 M" r% u* q7 G4 Y' B[2 \4 _0 U3 ^5 D+ N$ H' B
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 i0 O+ J2 X" d
set i
0 i. ]# e$ |6 P8 m' `5 p3 M( i + 1)
T' ^8 F" i6 F& O5 I, I0 K C]
# Y+ @6 \. P; {let j 3
+ |/ e: U, l7 t& J0 ~6 Jlet sum-money 0
8 B$ a9 T9 r! i. c% D5 Ewhile[j < [trade-record-one-len] of myself]! f' d! f: e4 K6 S
[
( P# v) l5 Q; a+ A3 g; {+ {! ]2 D! X- zset 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 _) n1 Y, \1 {/ i) {set j
; Q0 h V" h- c: T5 b7 h( j + 1)
6 [2 s9 j1 |7 s( q7 p n6 S/ f, _; L! G]4 ?4 k C" |, p3 {" X: J( A
let k 3
$ v7 @+ m3 t, p" tlet power 0" y# _0 V* F9 B3 G2 G. `# b* Z8 j
let local 0# n& O" {4 a# s5 ?4 w, L
while [k <[trade-record-one-len] of myself]7 }$ @% C" u- G
[
& ?+ z2 |+ q# L, C. Fset 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)
+ g% b: F/ d. @& y# l; oset k (k + 1)
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set [local-reputation] of myself (local)
& }1 X' P: d+ n$ Qend9 Z% g/ g% v' t9 [ b0 H8 R
7 N- T9 c1 o! X! P* Nto update-neighbor-total5 L* P8 N2 B# y" `* t* @
* x2 x$ [+ o) O' i% \
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]8 L& S& F2 H1 z$ L1 t
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end
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to update-credibility-ijl
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4 w- P+ v) w' v; n;;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。! H4 B- k/ T9 @9 @$ w8 e3 h v! [
let l 0
* m; r& o6 \8 |& mwhile[ l < people ]
9 E5 V8 i& L/ T' p8 w# o$ X;;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# B) b9 c/ c9 x8 u# c
[
3 U: o- Q- M; P0 S% F/ glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 h: z$ @3 @- c8 K% E
if (trade-record-one-j-l-len > 3)
: o! k( u9 k2 n# o b* v# s[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 ]' r. G' |$ L
let i 3
2 d. m- S! a) mlet sum-time 0# ]$ V2 e( V# [ {( l
while[i < trade-record-one-len]
H) N- b$ p2 X4 Q& V[; n1 d# ^3 \/ ^+ v- w8 `
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# ?( a) K; ~% d$ W2 Jset i
/ e9 y+ i) p. ^ E2 T( i + 1)
+ q. {& P- S0 o; }5 B$ y5 A]
+ k3 z. q! w ^ Q# o! M3 plet credibility-i-j-l 0' i7 z8 r1 D1 Q" Z% L' ~
;;i评价(j对jl的评价)5 C" c% m+ T; V- t- q7 B% W. L) I
let j 32 l8 y$ _; M7 q( R6 t4 b
let k 41 F$ b* j% u& l8 H
while[j < trade-record-one-len]
, X$ Y* l% Q' i# v+ W( k[! Y C% P$ T/ [/ e) n
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: ~2 H6 B7 d6 @- w
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)/ f' a, j' t' j3 I8 y
set j
9 M5 @! t9 p& T* t; ?( j + 1)
& z! D: F3 r3 Z]' v' U' Q1 [# G7 x9 q- h( R: b
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 ))
& A5 I/ o) g$ A7 l5 n0 ` m3 S9 [0 q- w7 }; M$ j- h
- _) ^5 h% L b t+ \0 ]let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ a$ a) Q# t! m9 `' W;;及时更新i对l的评价质量的评价( ^# X; e5 x# p+ o
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 @$ z. o. ]' m9 i( O+ ?4 k0 i
set l (l + 1)7 L3 M# }- n- [+ ~
] F! u# V5 P M9 q0 n1 t" Z
end2 O" k0 `' U7 j! K' A* I1 U. v
4 F8 j) Q) F8 @1 G, @# zto update-credibility-list
& C% B6 ^4 q) Q3 \' Q# p' G5 wlet i 0
, t3 U' F+ _- Mwhile[i < people]" V* l; w$ a# h! D0 v0 s* A
[& k8 w. t; z; P: X$ w( Q& y& X
let j 0
& x' v( c7 a" e/ Qlet note 0
+ @# }! l6 R; J" ]* ]let k 0! I0 s: o$ O: O' O& s9 ]6 e q5 X, f
;;计作出过评价的邻居节点的数目
+ L! M- r# T! f; b+ w+ hwhile[j < people]7 h. p' J l; ^0 N3 F% b3 K
[4 i$ [3 z0 f. x n
if (item j( [credibility] of turtle (i + 1)) != -1)
2 d5 b8 i3 M' W q( \;;判断是否给本turtle的评价质量做出过评价的节点 o% c6 R( x" M6 l1 ~1 @
[set note (note + item j ([credibility]of turtle (i + 1)))
' w; P7 H$ S7 d0 X/ D& e' w) z;;*(exp (-(people - 2)))/(people - 2))]' U! _# k$ N8 l) ?% w
set k (k + 1)4 x$ [! ?+ R; e+ b' z& Q7 b1 h" {
]3 H( y: c$ C" m7 N% a4 y* A6 \
set j (j + 1)2 I; x3 y, X! }; Q3 Q7 c/ u) i
]
- I) i8 ~" B9 J1 m' Yset note (note *(exp (- (1 / k)))/ k)
6 N- G9 l/ a7 ^1 C$ Qset credibility-list (replace-item i credibility-list note), d3 A$ Q( [8 `5 m/ z" G3 b
set i (i + 1)0 Y. L; D; g/ P( N' C: ]
]
, `* {& q1 p" Y" _0 G Lend
2 e9 d1 E R& L0 N6 d) x {5 |0 k" r+ c
to update-global-reputation-list/ w& `! w i( Y. J
let j 0" ~ X; B1 k1 D! ]1 n6 ~
while[j < people]: T) u {% }( u% h& P; b4 w
[
9 E* e, \; Q3 `let new 08 h) z4 Q% Y- r4 c
;;暂存新的一个全局声誉
9 P" f# R1 B+ x2 Tlet i 0% e: v% B# f9 T0 d( T# i
let sum-money 0! x& Z- l( v) B+ r* L
let credibility-money 0
+ u& K9 \2 l/ `# T$ swhile [i < people]" h- z6 _/ A0 ^
[+ }. S9 [3 ]7 H+ N! Q4 ]
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))1 \& P# G# f7 C
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: w3 G9 M) F: K( g3 u- o- d, _set i (i + 1): O2 F5 C9 j K) f% A
]4 G0 p. v, x- V+ |
let k 03 z$ o! a' g+ y3 K6 K
let new1 0% _9 p( t* \8 R$ h* @# c
while [k < people]6 i5 u# q& c3 w) _0 N! f5 I3 ?
[9 W% R7 V% Q# 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)
& A& U1 Y; z/ X6 s4 M5 \' x+ fset k (k + 1)
6 c6 o% J" F/ t e( C3 a]2 i5 N* D p) S. |
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 Z7 |% f4 n- r- |* a" y5 F; Aset global-reputation-list (replace-item j global-reputation-list new)
3 E' y4 z) w) S7 Xset j (j + 1)
! O2 L- ?- j! Y' q]1 _ G6 p7 j0 N5 |% E9 L* w1 M
end
6 y# V( j2 T2 N! X7 C6 Z; o
, n3 ^* C* K$ T, f! f# X1 g) p+ G
# r. ?( V' B- {9 R1 f; m4 V
to get-color
) X7 v3 U" d1 K! @) I! W
. K8 s) y7 J5 J( p4 tset color blue
3 |7 d) P5 ]- b' ?9 V1 }2 jend
, P+ ]: w, Y$ X+ }2 l2 q }4 `0 A
to poll-class
+ |. t) e9 t; e7 m! ?6 q7 |7 lend# _0 K- |! p$ t; Z# Q
! Q0 G$ r' Z/ _& B- z, s, {* I" \: {
to setup-plot1
/ [4 h0 Z$ v# B, |' V/ t& o; J! r1 T2 [+ j# X
set-current-plot "Trends-of-Local-reputation"7 k- U; [, y' B+ d) q0 Z
# C2 g ~) f+ R% Q% ^, }9 H$ V! L; ~set-plot-x-range 0 xmax$ R0 s1 d$ G# Q9 w4 v- I
& {& X; E2 U% a& P( cset-plot-y-range 0.0 ymax+ l' y& T# x2 p$ q/ m% O
end4 e' @8 ?; `! L! V7 U
/ o2 Q9 c, V4 ~* J/ }1 n
to setup-plot2
5 T( j0 u3 ^! F9 Y. f9 U" `% b. r; ]' N* n9 l
set-current-plot "Trends-of-global-reputation"
; Z T/ A4 }& g7 N( f0 i
) P8 K/ i6 [- B1 g# H Vset-plot-x-range 0 xmax! {. H, h; y* [9 J& q$ X6 @; u
0 R! s& h: H$ F5 |5 Cset-plot-y-range 0.0 ymax+ D& R9 |" r% K. s$ y J
end, L* \& y& y$ X4 o7 p6 u1 m% l
1 H& j+ f7 {8 n3 e7 j6 }
to setup-plot3
o. N& M& a7 K, [% i
5 y J# \, h/ T/ Cset-current-plot "Trends-of-credibility"
. X z: Z. i. O* Z. W. Z7 n
q/ r5 @) }* h8 x! y; vset-plot-x-range 0 xmax, k, o: I# ^+ \4 Q1 K: p; [
9 L- r4 _& ]: z+ ?* w
set-plot-y-range 0.0 ymax: o" g" ?8 t# a8 {
end5 ]3 [: H. J }, d. z+ Z% ^% ~: i
9 H( J( e: j: d8 k) |$ R: [+ |. D
to do-plots% I2 n- h; j" B r* |5 y) g% K
set-current-plot "Trends-of-Local-reputation"; [& ^1 z- ~* M) ], O$ m' A* y: l
set-current-plot-pen "Honest service"
/ I4 A0 i7 d( @" w6 \- [end
5 ?- G' b5 M( G) z, I2 H% H
& X! q5 @" k: Q& R# u[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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