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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
- _' Q! ^( h8 g5 Y& V1 [ `globals[. J; J4 E2 k4 s- g2 ^+ f
xmax
! d! ~" t A4 j aymax% b" _/ G9 G( z5 o7 l( a; u: z
global-reputation-list
0 k6 {7 x1 F0 G$ o0 P8 R
( |: F, R: f( T0 r;;每一个turtle的全局声誉都存在此LIST中3 D0 f7 M x) x7 c) U' D
credibility-list
% B0 p+ _6 U& b* \5 e3 m) [) D( y;;每一个turtle的评价可信度7 [2 u; B$ i6 o: t" e* N; ]
honest-service
/ S6 W- t0 i5 w# k9 S* B+ W$ qunhonest-service$ h6 a' w) E$ f0 W6 q
oscillation- ^7 ^1 o# U3 H
rand-dynamic
/ _+ x6 c% ^* B& h$ E]3 h& \& R7 w- X
8 l/ p5 s7 \2 s, E4 q4 x0 T5 Cturtles-own[9 h" e8 Z# f$ ]7 d8 z% V
trade-record-all% H& M& B0 `2 N1 ?) i4 j8 d2 ~
;;a list of lists,由trade-record-one组成
& X6 z- O$ z" ?: }" Itrade-record-one9 b3 ~9 ^! ]2 f$ n' W/ V. c: `0 _
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录0 |# O% V [' z$ Q
3 ] X/ M; Z+ w, A1 j9 Z;;[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]]8 }4 R' ]& u u" O2 p5 U3 _5 r
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]0 I# L2 w! R: Z' i* G) ^
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list2 O+ v# P, m4 U9 t- y# m
neighbor-total
- u- e7 ^( G% b9 L- a0 Q;;记录该turtle的邻居节点的数目, j# L( K w* J; l, `2 v" a
trade-time. H7 V h) W+ r# H
;;当前发生交易的turtle的交易时间' M% N$ k/ W9 ]
appraise-give( R! e9 h7 S; [ |/ [0 ~
;;当前发生交易时给出的评价5 Q9 d9 ~1 t. Z4 ^5 V3 \# y) m
appraise-receive
+ X: H5 ?% v1 d' K;;当前发生交易时收到的评价
9 X0 z, V% T) m& h( G( }7 T) Xappraise-time
8 @# U9 z( y c; d% n: p;;当前发生交易时的评价时间
& P, c$ |5 v# ~" ~) C: vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉1 O' A+ K) t, Q) y
trade-times-total
9 \! H p7 j0 h;;与当前turtle的交易总次数) f8 D) I7 `' \% c
trade-money-total
# h# w! ?+ t5 D7 h;;与当前turtle的交易总金额
' W# a% z; _3 h& ^( ^. Y/ ~local-reputation- } A3 H0 k% A6 B% G% i
global-reputation
- @1 Y3 x; _3 N9 b; o. S* ncredibility
, m8 {) g7 @4 C/ [4 W( u" c;;评价可信度,每次交易后都需要更新
4 _7 ]3 O3 l% d$ K7 t# X; u6 Pcredibility-all3 O+ b7 V7 d- c5 H( a3 X) R* N0 u
;;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* H7 s" E7 K& z0 y
+ M2 H) s5 d: O4 Y8 o3 z# n
;;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
; T( l- U3 Z5 @+ r6 J8 Scredibility-one) Y9 {9 }( A: O! n" W/ S3 p% Q
;;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' T% V2 ?( ^1 K F
global-proportion' D, e/ w+ L3 B+ k* L
customer) m+ r/ @' O7 d2 O
customer-no0 D2 q9 P. o2 y9 o% @' C& t
trust-ok
0 a H! u2 X, qtrade-record-one-len;;trade-record-one的长度
1 O. j1 O% l/ j0 X) i]
: j1 x1 T8 E4 P- q) ]
( Z" h( d9 Y0 ~* V* T. O;;setup procedure
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to setup1 A8 Q) h+ H4 P. G7 u d5 L
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ca
5 i) g5 n& R2 S$ ~5 D# M
' h! q) E( N( m3 Iinitialize-settings% u$ v, s0 C8 [0 u3 o
+ A# c; m4 C. l6 r) H) {3 [
crt people [setup-turtles]
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reset-timer) O# D, _5 j+ | Q8 ^2 R- P* U# L
9 V' S& h) x7 Y2 V% _/ e
poll-class
/ ?7 v7 m6 f o% v- c% o8 g5 h; n" G2 S+ J
setup-plots
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% Q& C! g" { a y: Sdo-plots
; @4 i1 j# Z. l+ H+ eend
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' D; h' S0 I2 ?8 X8 Eto initialize-settings. u9 h$ J' e4 H+ E$ k1 D
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set global-reputation-list []
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set credibility-list n-values people [0.5]
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, P q+ l% s9 Q! e# k# l* z5 ?set honest-service 00 a+ a6 l6 g6 U6 V. U: p
" A$ c4 u& N" w* |/ _+ zset unhonest-service 0 I% B8 J. z& \+ `9 n
+ o' g. d6 J: Zset oscillation 04 U0 ^- H% `. p7 `
: l% Q7 k/ [) \, Z
set rand-dynamic 0
9 b; ~2 K; B1 m* Aend7 P5 X; q% m% r
9 h! m9 i& {* B8 H8 i1 N8 [to setup-turtles
5 F) b2 p" b& m. |" _7 cset shape "person"- @) K- \' |# k7 m
setxy random-xcor random-ycor
8 Z3 v8 G2 {; M' X6 F2 bset trade-record-one [], L4 _% V( z( U4 r H) u8 m0 p% K
* h: A+ b2 W% C. w$ ?
set trade-record-all n-values people [(list (? + 1) 0 0)] : {7 A3 q; f, W' W6 C! Z9 J
! Z! E3 @1 i4 ~: q( rset trade-record-current []+ w' Q! s/ K8 v* g$ W% @
set credibility-receive []5 N9 R5 Q& Z0 H' ^5 o
set local-reputation 0.5
8 ]! @! A3 S. Eset neighbor-total 0
3 z* {6 T9 L: F' h+ K, N7 o1 ]5 lset trade-times-total 0; x& E. I' U. z- X2 {6 T
set trade-money-total 0
' ^' u4 M/ U7 F& m& X2 cset customer nobody6 I( [! o- I" `6 D. \. S; z
set credibility-all n-values people [creat-credibility]
0 t$ p6 w, K. \, wset credibility n-values people [-1]
$ \* c3 g/ g$ t# Vget-color
0 i7 J$ A$ O9 l$ o7 j( e/ }8 B$ i, c' P1 \
end, A G2 n G2 g$ O
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to-report creat-credibility
' @$ z( j8 f* E" ?7 j5 x: Yreport n-values people [0.5]3 c4 W, t! q8 Y: [9 g) S9 g
end; f$ x0 h0 f9 A% ]* c9 O1 j
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to setup-plots! t9 b" G/ R" W/ i8 R2 T
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set xmax 30
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1 I2 g8 T' c1 |" Iset ymax 1.0
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clear-all-plots" y4 J8 L2 X# H. i5 k) O
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setup-plot1
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setup-plot2, `! m0 H3 D9 f
( E% X& J0 U4 e. `setup-plot3. s7 Z7 T; c, [' h _# E1 h$ u
end1 Q# T, ?" \: Y5 Y/ W7 S- {2 l
+ T$ g6 G @0 Z; X% k
;;run time procedures0 k2 ]5 X Z/ ]' H" E5 w
$ ~* T) u' E+ E8 c/ w3 s! wto go5 \4 l: e. m5 C$ P/ j
. u5 t! k: K G3 p
ask turtles [do-business]
) }6 d7 A2 e$ ]3 m2 J1 xend" Q% O# [, a2 t% b( ]
/ f! C% i6 e" ^# s5 C: h0 o0 Nto do-business 3 `. F i5 h3 J5 c! B# i, }$ _
8 j7 q- I9 J1 x4 c9 M
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rt random 360
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fd 1# _- Z% i9 \( a7 w; S- S5 R: U
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ifelse(other turtles-here != nobody)[
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; z1 A3 z. F8 r* P/ t5 E+ tset customer one-of other turtles-here
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;; set [customer] of customer myself
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% |: ^( ^- g- ]% X+ K7 bset [trade-record-one] of self item (([who] of customer) - 1)5 A$ [! ~) i9 I- N! D5 F# Y9 l0 v n
[trade-record-all]of self( D& a* A R3 W6 M2 r) O* N/ `
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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# Y4 ?7 j$ U6 p" mset [trade-record-one] of customer item (([who] of self) - 1)8 c+ Z6 I; {" t. P/ V# }
[trade-record-all]of customer+ l) k! k( A" e7 p0 k
& M, y' M4 | K# z9 rset [trade-record-one-len] of self length [trade-record-one] of self6 O. ?2 y0 ]! G: x% } [0 |( {
; X4 P' }1 @$ L) d! k
set trade-record-current( list (timer) (random money-upper-limit))* r# ], `0 t( ^8 w' A$ k
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ask self [do-trust]
. H) o. M0 [1 I4 @+ W( J: n7 \;;先求i对j的信任度
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F) y4 R! J. | e3 U" Dif ([trust-ok] of self)
9 H3 ^# V- Y: v' G;;根据i对j的信任度来决定是否与j进行交易[
" C+ T& m- E3 d! K5 b! qask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 N& c1 P2 y" Q9 [
& ], H$ F& ?( `( I9 {: p: h* N) ^[/ D1 t) o& N( f: B
/ e( h" G: r3 b% v: C& n4 |+ A' Ldo-trade; W* S9 e( G0 O
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update-credibility-ijl
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1 `% v3 j6 { j; \& n, e5 c$ Nupdate-credibility-list
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% H8 U5 I# B$ S7 c0 w4 e' R# \) w1 b- J9 b/ ~( t
update-global-reputation-list1 K, q+ o; K- u/ `* b5 r6 E( E
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poll-class& p$ ~0 o1 _2 v) O6 u, V* e6 c1 _
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get-color
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7 q6 [$ O: U7 W- k. ]
;;如果所得的信任度满足条件,则进行交易
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% |) n+ g& d4 F- r
rt random 360" L$ _$ s, R4 P* t) o! A- G0 V2 G# Q
. b0 W- t* Q; S/ J9 Gfd 1
( `0 {' i! s8 D$ O+ p
: a7 f/ m- |2 s# S ]]. w( m$ H9 w( w. p5 D9 u
6 F9 G$ V4 b* i+ v, bend" b8 N* v; }+ ^8 ]. r
# {* t1 a' P2 X' V
to do-trust # Q( T# T# J* f, ~2 p
set trust-ok False
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let max-trade-times 0+ h4 V2 I5 s( p* c3 [$ N
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]2 S+ v5 p) B, n7 C* h( q P' p* `
let max-trade-money 0
- C# i0 n7 q; u! J3 ?& f/ o$ kforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]+ C) q( ~7 {: D2 q: J
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ _# H8 }5 T! T- T' x M5 L& ~
# ]* d! h! h" k, B0 y! a8 N
; X& q. K" R& n5 H5 yget-global-proportion
: {" c$ M' G6 olet trust-value' {+ r, H9 C% 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)* L6 a9 W7 x" c6 W+ Y- i
if(trust-value > trade-trust-value)
% S0 O2 S* q s3 Z# g4 k[set trust-ok true]
9 I. b% d/ J) I& ~: jend
" K5 R0 X( |- S/ d* Q1 C% }3 V: U4 f& S
to get-global-proportion
0 A; Z# Q5 a( ]/ n/ h% \1 ]ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
0 s, Q- s# N9 a7 J+ J( h[set global-proportion 0]
! C6 n' x$ W4 q& c" Z. {# z% t" i3 m[let i 0: s0 x9 c. Z! E& u; }
let sum-money 0; h2 z! l2 Z5 G) u
while[ i < people]& A- G) \) l& V8 S) {) |# ?
[0 s7 y, s9 r: L0 J4 {! X( U( m( _
if( length (item i
' ]: w. L, Y1 I2 D6 {# g[trade-record-all] of customer) > 3 )
/ d* h" A1 R4 b/ [/ P2 \, G[
! t4 X% V: S& `3 zset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
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]2 k: F9 f1 m, T/ E. z$ s
let j 08 b6 F7 u2 O: V7 T4 z) G* S
let note 0! P7 ?5 j, Q& R4 U- Y
while[ j < people]' L: P# Z: Z& p4 _
[
3 b% t2 L; a9 V- Tif( length (item i- `2 t% p4 ]" f
[trade-record-all] of customer) > 3 )
0 @; N9 } Y6 G/ Z8 I* y( z[! X4 Q3 ]% @6 ?% G4 G
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' C8 o+ R( Z- S) P1 H" b, s5 X1 q[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ x l- @$ y1 Q# S1 ?9 {[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' ]- B/ J4 s( w2 ~: i. }1 V5 _
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]# T6 @# R, {; b0 K2 b* H& X
set global-proportion note
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0 b+ G+ j. q& ~3 A0 xend
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to do-trade
6 c6 c7 n# `$ C;;这个过程实际上是给双方作出评价的过程
- R6 K3 F) F+ s8 e) `+ ?' jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 h9 P0 x& E9 y1 y. Fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
% e0 a9 e& h. s: ]. t" v+ Gset trade-record-current lput(timer) trade-record-current2 _( S1 q7 k; X: s6 U6 n
;;评价时间
, B0 C6 H- d( x" Y$ Qask myself [
2 g9 U) }6 |+ O2 I% u9 p# lupdate-local-reputation& ~% B/ j" B- v
set trade-record-current lput([local-reputation] of myself) trade-record-current: L( V6 t2 g8 I7 Q+ k, @2 Q
]' }$ F }' D) ?
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself6 m6 N9 U+ G6 l) v: c
;;将此次交易的记录加入到trade-record-one中
( w$ {. X7 A4 b2 Kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
3 W5 U0 _/ {" ?' y' y7 G, qlet note (item 2 trade-record-current ) y$ D$ L- ^; A' }3 v
set trade-record-current
. |1 n7 s8 `2 U/ `% A(replace-item 2 trade-record-current (item 3 trade-record-current))
2 h6 E5 {9 Q0 B3 L( pset trade-record-current1 M/ u: x/ Q5 ?* p) j9 N
(replace-item 3 trade-record-current note)) _0 y3 z; X$ m9 L/ X& ^, ^* U/ G
6 o" c6 _2 {! ~! ^% O
8 X% ]) p- m0 O( Vask customer [
: B& N4 l1 r; ]) s% Wupdate-local-reputation
- V: I* b0 [' j* H2 tset trade-record-current
w+ b: _1 ~% e$ n$ {- w(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( N/ }6 E/ V. s) r; [, i+ k* \]% j9 Z" J" W S% ]* {/ x4 U
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8 w4 C" D H' c/ x p# n6 w; Y
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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$ @% j, H$ y' yset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))4 W0 z5 D! `! d
;;将此次交易的记录加入到customer的trade-record-all中
' K7 _; E, n4 z c2 C& U( ^end
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% R& E0 @) N, i% F+ r% \5 ]to update-local-reputation
) ?) e$ Q1 l/ b. K- _3 vset [trade-record-one-len] of myself length [trade-record-one] of myself
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;;if [trade-record-one-len] of myself > 3
" N& S9 \ S$ r* b8 d% hupdate-neighbor-total
, b+ [! i0 _6 O% }- _& ];;更新邻居节点的数目,在此进行
4 _. p! b7 ], r) q# p3 U2 xlet i 36 z. }9 L& ]2 R6 k$ k& e/ U F
let sum-time 05 T- |% S* U3 u9 W4 q5 T
while[i < [trade-record-one-len] of myself]- s, w( K+ G: ]; B! p
[% D. j! h( \9 z+ @4 _* I$ d0 i
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). \: v f* C9 X) m2 I# x
set i
2 V4 n' f3 d. p- g) `( i + 1)
7 K% }: H+ w" {/ { h]
& Y" n+ M1 I" C8 \1 E8 blet j 3
% Y4 |( M% s% u n: p/ U1 F4 M/ m$ Slet sum-money 0! W$ C1 m( @5 s
while[j < [trade-record-one-len] of myself]
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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)$ y( V' Q0 l* ]) n# f+ ?( i
set j
3 w3 P/ S& _# ^( j + 1)
# `7 `9 a/ b2 K1 m2 A]
8 r8 j0 H' K* N! m8 ^let k 3
% w% W8 v: R7 j: |5 @6 Plet power 06 l2 Z" ^4 f7 V9 B8 R
let local 02 i# r: ]$ D0 {9 x- ~
while [k <[trade-record-one-len] of myself]+ a3 x( O% E6 C# w' j, a# s
[
3 k$ o7 G+ j; o' Z- e- kset 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)
" ~! R# }" c( |# f- xset k (k + 1)
- w v: q8 i- _, p]
; s- C& c% A- F$ B0 R! uset [local-reputation] of myself (local)+ \/ i% c8 G: ^2 q) O% S( E
end+ L$ H% j. i d) U
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to update-neighbor-total
% @; \6 O2 ]. O% g' G* _
" S. I0 n3 i0 ]5 t: }+ ]if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]: Q) h2 B, C! \6 |$ k8 T
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end
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$ i! |3 n* h8 pto update-credibility-ijl & A, L7 r+ ]4 a
1 q8 n1 Z3 X* Q- q1 }
;;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。
* P4 W9 X" i' Wlet l 0$ x8 k" i) L3 |3 K4 T b, Y
while[ l < people ]2 e$ ~3 A F# Q; z% t5 j: j
;;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
; Q. U/ B$ k( H6 M0 u( R[* K# P* \3 I! g9 \$ c9 s
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. J+ g9 K8 U* ^3 B5 ^2 e, d4 wif (trade-record-one-j-l-len > 3)7 G$ G9 F- ~! u1 z" d# \4 Z/ C1 [
[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
9 `) L5 h! Y" e6 o, _2 R7 Zlet i 32 w1 [2 m q9 T5 R) P4 F
let sum-time 0. P- I: z& p. t; R8 z
while[i < trade-record-one-len]. ~$ W8 P: Y3 ]0 J/ ?' q0 j
[; @/ [* }7 J5 Z2 X" @: ]
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ), S; |' C$ |. S5 g% R- @1 j$ p
set i% O+ H) [5 Z }) X
( i + 1)- w; y1 y$ N9 e# @7 h6 h5 Y
]
7 N; Q* _+ D2 b" J: Flet credibility-i-j-l 00 G" h$ \: K/ }% n: e+ Y* J
;;i评价(j对jl的评价)
, q3 _( G" b$ `2 |% n8 rlet j 3, j* B8 b+ F' m9 b$ _1 T! _* h5 K
let k 4 o7 ~- e% E' J/ k
while[j < trade-record-one-len]
: f& ]& i. H/ d[
" w/ j Y3 x' T/ p4 Nwhile [((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6 W f, q! E& t: }& ?
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)- S& X: |; I( j$ ]3 {
set j
& e! f, Y* y$ f6 K2 ^! O( j + 1)
3 d5 F/ ^2 `. S8 D. W) u]9 G7 Y5 Y$ @! U6 s$ q& U
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 ))
3 H- g# F n+ }2 W9 q' T4 E/ ~; p! ?5 `, h' Y
. @) b: H; S% t0 a( R
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 h3 Z1 O* K1 ]$ d1 a$ e0 d7 i0 p
;;及时更新i对l的评价质量的评价
. _, [0 j( i; I- \" \set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% d7 d- _) M$ V/ d
set l (l + 1)3 O: O) \+ q& \
]) m. l. R* H( @1 J( y+ D
end0 W& Z* X! @# @5 }- I# F
0 y: C, h n/ ]7 f+ |to update-credibility-list% C: k t3 I+ q/ J
let i 0
/ B( `. O! y7 Q3 \while[i < people]$ r6 x. |5 M/ K2 v' W9 D* Q& J: x
[
8 @5 N0 }& P0 ^0 j. k% H: B5 Y1 D* O: [let j 0
% o7 r; H( A% mlet note 0' P0 e* M5 s! _; O0 W, o
let k 02 ]0 |1 f2 g7 m
;;计作出过评价的邻居节点的数目
3 _; H$ x- Y0 O% iwhile[j < people]
$ l( e- T& @: h5 F[
, f; X- q! q% r' Nif (item j( [credibility] of turtle (i + 1)) != -1)
' U A4 }5 O; X;;判断是否给本turtle的评价质量做出过评价的节点
5 ?! u5 @- {; o4 ?[set note (note + item j ([credibility]of turtle (i + 1)))1 z- t* X- a5 ]7 E7 H- @$ p
;;*(exp (-(people - 2)))/(people - 2))]
" `. M- B' i/ W) y& \set k (k + 1)" [- L: e8 M ~- ~, D5 x
]+ h& i% D. ~. Z8 ~6 G5 t
set j (j + 1)
: [' C% M" u) N$ D4 f]
/ O6 k8 b& f$ eset note (note *(exp (- (1 / k)))/ k)/ {+ B" }- w4 ~. q a
set credibility-list (replace-item i credibility-list note)
: @/ d* ^$ g8 O- Pset i (i + 1)$ C: q( b6 Z5 f! I
] g% f" P$ x5 q- f; E& j
end+ r* g: j, u% X9 ]' @1 L$ H
4 D0 d( d3 M0 A- x6 F6 X' F3 t
to update-global-reputation-list
: d8 B# R2 F& [9 ilet j 0
- A: ^" o" E! P8 R5 X* I Iwhile[j < people]. l. A0 K/ d- @# y
[3 |& e$ M G0 ]7 ]" D
let new 0! Q1 X5 E, v+ P n* e
;;暂存新的一个全局声誉
: t4 L- W1 m( Ulet i 0; D0 w3 N) e& y. W8 t( K
let sum-money 0$ a/ D$ V* S* p) Z5 Q' o9 ?& Z
let credibility-money 0% v& a2 \4 Z" Q" o' r) X. {
while [i < people]
1 |7 D X1 C5 s* o, U2 d0 K[6 A- }/ `2 n7 t5 {* R
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 e- w5 R k& ?) R- H3 Bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" `. e% T+ W& M$ `% \
set i (i + 1)5 g) a3 Y6 p7 M |) @0 l
]+ i3 [+ A+ t1 ]% F' `
let k 0
1 Z3 x) E: p0 e4 A( Q2 J0 Ilet new1 0
1 d5 c( Y+ r1 h8 C( |8 zwhile [k < people]% s, R0 {2 e1 A( t! }& M+ y$ I
[2 h2 v3 B: W4 ~
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)
( G4 u* m/ S- q- F4 |set k (k + 1)
, j; h0 P* ]- k4 G) `/ M% o]
6 f+ w! f8 M4 Gset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
4 C5 }" ^" ^% I% x' W* H$ kset global-reputation-list (replace-item j global-reputation-list new)* P+ r; ]4 `. \$ Y
set j (j + 1)
5 h' e* {0 u4 f8 i]
" ~: \9 l b2 m, mend
2 m+ d9 d( x1 r# p v9 ~) T5 ]8 Q/ ?+ k% b
3 W! l6 e* p+ u; F0 D% Q$ n
' d& K9 P& x8 G+ Y4 B
to get-color, D% i- i5 s" E0 M
$ t5 ~# y6 @; J$ U' f# @- K/ }, Eset color blue# H7 e; y4 I4 e L9 E1 \3 j4 I* N
end/ w+ E" V% A o
- I! e/ [1 i, H5 _1 B5 {& ]
to poll-class; v8 ]0 z8 C; p o
end k2 x2 a0 _$ e6 ~& @5 H$ C% W
# {$ s# _/ q# S1 I4 {- k5 F
to setup-plot1* i( T, \+ {0 b' P% I
0 h6 V/ h, ~% i; @ I( V3 Q. {
set-current-plot "Trends-of-Local-reputation"! q/ M ^( j6 ~3 A' J5 b
# s& D; M) P, hset-plot-x-range 0 xmax
3 Z% }# n8 k+ u& Q2 H; X! C! k& Y$ V0 d% i5 K3 |7 i- F
set-plot-y-range 0.0 ymax/ J# U' w- {' t
end
# B6 L7 j3 O% M, `. Z& i9 \/ K; L; G7 \1 x: X) R5 B- V$ g
to setup-plot2$ D( d' i5 o9 e; \! p3 F
) e5 l8 _. J" k) D) `2 e5 T) lset-current-plot "Trends-of-global-reputation"4 W. n1 @+ j4 G; y! r
8 i' b0 L' k2 xset-plot-x-range 0 xmax
- y" h/ L' p8 P( s7 z$ \- s# r/ O7 T" F0 M" g. L/ M% K( Z
set-plot-y-range 0.0 ymax
" T9 ^3 e; E& `end4 b3 Q7 S) L: p9 a7 C
9 i& T3 q* N% l+ l, wto setup-plot35 C" z+ p8 _$ L/ w
5 d+ F# U7 }0 h7 Y$ b. ^" M
set-current-plot "Trends-of-credibility"
3 N3 Y- L3 ^' J8 ^5 d4 i
$ n9 @- X- \9 p' zset-plot-x-range 0 xmax6 q* e; t5 R5 V, W( a
+ m8 e5 d9 c8 ^set-plot-y-range 0.0 ymax
3 \& I( f' Q6 cend* y8 J* K- P" \
1 D$ s5 A5 a- ^; c& v9 ~3 A4 |" Kto do-plots' X, i0 n ~0 l& Y" H4 t/ K# P. n
set-current-plot "Trends-of-Local-reputation"
; b w% L8 o% b9 d5 \, mset-current-plot-pen "Honest service"% g" }( ~* @4 T% L
end8 Q# |( e2 J5 R4 n
* O# t; y! k+ B" r, J0 O3 A2 z
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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