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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
- e. p5 z' \! Y! C9 ^globals[9 B0 Y2 e9 ?" L' X" U- n
xmax
: u. \% G3 w L' ^/ Pymax
5 T4 R1 t; z) c+ v, \8 T; Gglobal-reputation-list
: C- @& N6 G$ J% w' Q
' K, _- X3 U- S) T5 G6 h+ Q% s;;每一个turtle的全局声誉都存在此LIST中- @0 V2 }" d7 b4 z, U- u! F
credibility-list
% d! c0 g( S8 E- v4 l B- Q;;每一个turtle的评价可信度
M) c7 @& F1 l, d. xhonest-service
( h0 r9 n. f+ d8 \ k: k/ Gunhonest-service
% o- J& {. ]1 |( S2 a8 n1 \9 Xoscillation
. _+ f# O5 a' C0 S5 Qrand-dynamic/ ~- E# N7 i3 i8 |2 D+ y: I5 w8 b2 g
]% N$ [# @' t) n6 J" B! f
. z) j* `& |( Q& e+ J
turtles-own[1 _/ D6 y$ K2 v
trade-record-all; x$ g6 D" D, r; F$ Q1 \
;;a list of lists,由trade-record-one组成6 l) f( m0 M$ u. H
trade-record-one
: [) P. ]( T* {; a5 ^. s$ N;;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]], ~# p" u( b' R4 I8 ^4 K
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]3 R% c8 H: v9 O/ C
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% b, f- G8 c7 S3 L6 H) ^
neighbor-total
: n. a2 ^# v i;;记录该turtle的邻居节点的数目
/ {5 }% T0 [% O8 x. ~% q" [trade-time; Q- f1 v) P: p* g4 B" `% e0 R
;;当前发生交易的turtle的交易时间
/ Z* {, D( p( n# X/ Aappraise-give( R2 H! G7 a a( i- z
;;当前发生交易时给出的评价
" ^9 i: L4 v" }" Kappraise-receive
; R2 p+ N4 R4 t9 i" o( ~;;当前发生交易时收到的评价6 g0 ~; ?* @9 m. ~
appraise-time
' A0 f2 x$ Q! E% [' @6 `3 D;;当前发生交易时的评价时间
& k4 K( b+ W3 ?; s( @! E$ [local-reputation-now;;此次交易后相对于对方turtle的局部声誉# n1 m" k3 C6 a# }% L
trade-times-total7 x+ n$ f( `, e: S
;;与当前turtle的交易总次数4 B. H% r. {5 m" D' u1 t8 a
trade-money-total
/ b8 M8 v3 ~8 G+ |$ ?+ ^* ];;与当前turtle的交易总金额) s) h- ?5 Z. ?2 Q( q
local-reputation& z9 l2 H4 P2 c$ n5 p
global-reputation
; \) e/ W' y- x N" `$ R# |4 jcredibility
7 q% W+ v% _4 C( G' R;;评价可信度,每次交易后都需要更新0 z% ]: v6 o( h4 a0 j3 c
credibility-all
2 o0 e, b7 z- Z2 {, [;;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9 V" W0 R1 b) G
! W0 i2 u6 Z8 I) ]7 B;;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) S. u, p* s. m4 g% n( n
credibility-one. H- l- R9 F' W% s
;;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! v. l/ H/ ]8 S3 \, b. F
global-proportion9 Q I1 u; U/ B4 U ~/ r+ E$ m
customer1 O( |. s, J" R2 ], a
customer-no8 n# S* @* O* U2 k* f9 b- ]
trust-ok% d, s; s/ Q' H' c `
trade-record-one-len;;trade-record-one的长度$ ]- M" j6 c5 e0 t, q
]
# d% u! d$ `! q* x) ^ j2 Z" S* t2 B, ]8 ^7 ?9 T) s
;;setup procedure
1 [* n) W" ^' X5 o, `! v' m% M# A6 r$ n
to setup
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1 P* \: E8 [1 Q4 F( G+ }3 O/ Gca
+ `8 `) u9 X8 l! \ M0 g% h5 _5 W/ X O
initialize-settings" H6 d; z& h O) q: d
2 I+ L- W Q- C/ s
crt people [setup-turtles]" ?( y. L1 h( [
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reset-timer2 m/ s9 o8 }' A3 k9 v
& v3 [, O6 v! c
poll-class ?- N' y5 V: Q) s* R/ j
' s- d! g7 n" }! E5 w0 W& l
setup-plots4 G. D; m% [! y2 e8 I5 i. J
0 [# Z z4 _% ]" {1 N, M; Ido-plots
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6 l; x' g i2 J/ [to initialize-settings
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set global-reputation-list []
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set credibility-list n-values people [0.5]
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set honest-service 0
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' ^8 e9 v% ?6 a( M( Q: ?; Uset unhonest-service 0' c% ~ K5 w G" F- e5 h* q
; [- T3 Q6 y4 ?: h( Z
set oscillation 0
" z9 c% b3 k- ^) S: Q/ v: |
; A2 W. j( \. {4 u3 e3 lset rand-dynamic 0
: ?( x G2 s0 i3 Y6 ?* |" Jend
6 }: |( v# j+ j3 I& X" o; s6 q3 a& Q E2 I" j, B
to setup-turtles & ~7 e7 _! F' c0 {
set shape "person"
6 Z! \7 d: Q& U. g" Y$ nsetxy random-xcor random-ycor
, D, R& g- \$ w& g, S/ Zset trade-record-one []
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$ [& z" j* p7 q7 {3 \7 jset trade-record-all n-values people [(list (? + 1) 0 0)]
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7 b. V0 Y, l: L! E( o- j5 [6 ^set trade-record-current []2 E: v2 {6 F+ M& ]
set credibility-receive []
1 ?' [ d; m; N8 ^# fset local-reputation 0.5% Q1 H3 n9 f" C% g) D
set neighbor-total 0
; f( R8 h+ l4 H$ X5 `set trade-times-total 0
& L0 t$ h6 J0 A* ~* uset trade-money-total 0
5 F. s+ _. y! h7 aset customer nobody3 K. m' p7 {2 r8 e4 n" r' T
set credibility-all n-values people [creat-credibility]
E) w; a5 m0 ~2 E' w* P, e6 Pset credibility n-values people [-1]
9 \) U( o$ {; L; F1 r. nget-color
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end) G; M1 B& c/ m5 `, g7 U4 I* L
/ X, ?4 i: h: rto-report creat-credibility
) Z _ s: n7 a3 j& H5 q5 Mreport n-values people [0.5]
5 R1 ^2 V; v5 @* L! ~ Yend, `4 m D6 K7 V
/ l7 U' [, S/ {. ~' T$ q
to setup-plots# b$ D9 b/ ?2 S
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set xmax 30: A6 {; P) _0 W. d
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set ymax 1.0
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' @8 y% [6 e6 ~$ S5 Aclear-all-plots" @: E, H# ~ G& z. b! O- I* Z
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setup-plot1
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! t' g8 [7 z! B- E& Q% H' t+ fsetup-plot2
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setup-plot3/ \2 W2 K L( x& Q7 }
end
1 w/ c4 d- P/ \4 D- {4 i6 s' N8 Y. U
;;run time procedures
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to go
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: x8 W3 B1 t" Uask turtles [do-business]
7 f( X0 _7 D; f2 P6 k0 S1 Lend0 o2 L- l& g3 I5 J. e$ E
' q! r* d4 @2 L1 U& ?1 Eto do-business
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! |+ V5 _4 ?# H/ irt random 360" w4 U* v d! s6 O
' `1 B% @$ N0 z2 Q0 n* Y) I5 ~
fd 16 b' `2 f$ m8 W* G
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ifelse(other turtles-here != nobody)[" @& k+ k. F, N
2 ~. |+ k+ L4 _2 Z4 V, D2 y* y, M1 Hset customer one-of other turtles-here/ A! n6 c" `6 Q# w
: }, u$ v9 l6 Z! T3 D+ _/ Y;; set [customer] of customer myself; ?2 h* X/ B7 T7 e
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set [trade-record-one] of self item (([who] of customer) - 1)
/ U; q$ E# \: G% M6 M[trade-record-all]of self
1 j# O5 V: i* C1 l; `) A+ q;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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& t8 N4 S' V' qset [trade-record-one] of customer item (([who] of self) - 1)( p& {' C2 ~) E1 D) K. q$ p
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self' ~( s9 J) l& J/ T) ^7 T# C
: |* o* U( Y2 ]2 {) Z, Zset trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]! f( B, B) R* _* v" i o
;;先求i对j的信任度
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if ([trust-ok] of self)* C2 r% i0 b1 X& w# f7 }
;;根据i对j的信任度来决定是否与j进行交易[
( ]! b2 z9 Q' i5 pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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* O8 C- U* k4 V4 j# g2 q[, g0 c' @9 a c( b# J: J B2 ~
5 t1 @3 C% O/ @# X# fdo-trade
) e4 O3 m) q% D2 z# ^0 r/ D
; m+ u" b; v G! Bupdate-credibility-ijl
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update-credibility-list
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1 x7 B) _( o9 r0 u8 b; m+ J f& f
update-global-reputation-list" J2 ~9 ]8 O. v! l/ Q
3 `6 j4 O6 q. Zpoll-class- p" H, X8 n+ W8 U( A, a: {) q
) y. \' {% D* {& }get-color
+ h. k$ {/ E; H! U" Z8 e f: B2 p+ h: I; L" M: f2 f! w3 k
]]! n! b$ X7 _% s9 _& ^% Y
+ R6 D' P4 J0 T
;;如果所得的信任度满足条件,则进行交易' x$ G) c/ [9 O; Y3 n5 R* ~
q4 [5 A% f6 N( {
[
# j# a- v, C1 [5 b4 D
9 @0 d7 V" Z' |. T. h1 Jrt random 360
( \5 K) {* M/ r( _) ~* I' X% x- Y8 x% Y, `4 s6 V
fd 1
9 b" R, o& X2 C5 O' w4 J. A4 s$ \( p# f1 ^) [/ S
]7 t2 l5 F. @( n9 `* x" ^ ~
# a: n& M8 ^! ^8 a- U+ S* F3 z oend: ?: u: P$ h D
8 }. J2 q+ Z2 x& o( Xto do-trust
1 s- y0 g0 p. I; w% q& vset trust-ok False
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7 k# T$ @9 Y* g) K E) D& |let max-trade-times 0# M9 K8 C3 y- [7 D& L
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ Q4 o/ L, B1 B8 P% K8 [9 ?
let max-trade-money 0% }1 s1 F6 n, e# V% s
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] h# D# D( |# s# m
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))- T5 [3 d, H. g' V7 H2 j$ U' ^0 z) r
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get-global-proportion3 a+ Y/ c+ n7 a' F( l
let trust-value+ X9 k( C9 F t& m6 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)
1 c! o& p6 z* M5 |: \8 sif(trust-value > trade-trust-value)4 \! u% _( X3 M8 P2 E% o; O
[set trust-ok true]8 u( x0 o$ ]0 t8 L, `
end3 z5 g; b6 B9 Q& N- a1 _
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to get-global-proportion
6 e( Q8 c) a# iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)' j4 O8 B6 F+ |5 g; A6 l
[set global-proportion 0]- Q2 v2 D! o8 [! o; D
[let i 0
9 D) B1 p' _/ O4 J) v9 Nlet sum-money 0
* a. a' K5 F" E0 b4 |while[ i < people]
$ m `; k8 B5 u. f2 D A[# j' O; O/ S2 d
if( length (item i
* k- @$ O& X5 b' S; B[trade-record-all] of customer) > 3 )9 A- T* f6 D. ~0 s: [+ x4 T
[
# Z! ~7 f: E$ k* C: }4 t/ z5 k- Oset sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 `) i, M9 y; @: q" `
] m6 c. I. Z' j' O& V: ^
]
& S% d" a5 O$ M/ G6 B. glet j 0( }" O& X8 A% w! |
let note 0
5 T$ H) `' L8 y& n! hwhile[ j < people]
+ u5 n) h2 u9 J6 {[
$ K$ q2 g. s' yif( length (item i. B, |3 U: l% W$ G9 m( Z: {. E( t
[trade-record-all] of customer) > 3 )
1 [& r \2 m4 l5 P) y; r: U9 }' N3 s[
. D J3 x8 K2 W' u% Yifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 P# D/ z |" D/ X9 E7 p- h[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ J0 y, y$ y' X' |* w6 T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
L0 z* d9 v% n]
" {/ W7 T8 W( |1 n8 I/ x]9 B$ _- r0 N, F/ {
set global-proportion note
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* t F& L/ k/ U6 O; iend
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$ b" Q+ G: [6 ^8 H* e* l6 H/ n) yto do-trade7 Y! {+ F3 F6 q7 S' K+ V0 C. N# P
;;这个过程实际上是给双方作出评价的过程
# G' l# D- E7 Z7 x: x% L' s* vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
9 t8 A8 m0 o0 C7 A/ {set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 W& ?, L* r2 n+ E s3 r/ ?8 P# rset trade-record-current lput(timer) trade-record-current
' Q7 M: P1 l: M6 |;;评价时间* f4 O. M1 D* X0 z; r9 a$ L% E
ask myself [6 s4 D0 P6 S# |
update-local-reputation1 a8 b3 j* O& c; R* Y; _6 a
set trade-record-current lput([local-reputation] of myself) trade-record-current
; O8 _1 F% I/ ]$ D0 X5 I2 l9 ]]' w1 u3 k4 ?1 s
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself% X& Q j. z5 G0 j- V1 H
;;将此次交易的记录加入到trade-record-one中
" v" G( H/ f) M! l+ wset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself) W. r0 @' G' F2 d$ @7 ?
let note (item 2 trade-record-current )
3 E: u) @$ r) R pset trade-record-current8 C t6 n9 d+ n
(replace-item 2 trade-record-current (item 3 trade-record-current))4 |* G# B$ w7 K0 ]* O+ s5 `0 W' L
set trade-record-current
- [ v, m# }9 H(replace-item 3 trade-record-current note)7 Y% g% d5 g7 T3 f4 x
; Q) y1 q2 t$ E8 }
8 C; k1 P' a2 Q4 g. ]
ask customer [6 d# [8 Z8 `# v( r$ d* x
update-local-reputation
0 U% W% x# N1 _% g7 Fset trade-record-current' V2 j6 ~. A* p! q' v% @" d
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
5 N& F6 M' u5 Z: `. B& ^3 K]
o9 W' `$ e4 w8 n8 j
, @7 ^3 ~. j; u+ P
! I0 R% v$ D: Mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
' }& k" U, k D) c; p% I3 w8 L u7 [$ j- f: u
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))7 J4 o) |$ P* t& e h% o
;;将此次交易的记录加入到customer的trade-record-all中8 O, a1 w( `: a4 A
end* Q1 _# u6 M4 }: Z1 k: K
^7 m m" W" T' _' T* l
to update-local-reputation3 B' u2 s$ X- f( p8 }2 F7 n/ [! q
set [trade-record-one-len] of myself length [trade-record-one] of myself
6 T* I" u! a! y5 W* f/ I
0 w7 d3 y' {' X/ t; c H7 i6 ^0 T6 B% j9 ~5 _6 Y3 ?1 h
;;if [trade-record-one-len] of myself > 3
" W) o q/ e% [) L' i1 `update-neighbor-total
4 k3 H9 v: }* z;;更新邻居节点的数目,在此进行" N& Z9 {2 v" C# E, s) G1 U
let i 3/ Z) D( ]3 s! `
let sum-time 0) T2 B. Q& f, J4 d/ U/ D
while[i < [trade-record-one-len] of myself]* V, E7 m! Z: h* i0 t2 z1 ]( r
[
4 S% q: W, i4 xset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
% F' M0 @; F/ h2 vset i
# E- d! F# b' c4 [4 s3 W( g( i + 1)$ ~1 [ t2 h$ n$ Q$ O
]( {3 h) m7 u0 |# R# f! N" y/ X
let j 3- ?1 j; [6 ~# e& g
let sum-money 0
8 m0 X6 e- j8 awhile[j < [trade-record-one-len] of myself]/ X; j2 Z( _2 i# ^
[
0 r8 X% N9 N1 s0 \9 \1 a5 @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 N8 w/ T- J }6 d" Y2 }( cset j
$ m/ d- T/ @* N+ @% H; E# [( j + 1)- S. b7 d/ B* [& z1 N
]
+ d4 X" C5 j6 c' H" q0 @let k 3
% ]: r5 D6 W" t1 k3 Elet power 0; X& P! H5 }, B* [2 T' ] [2 V
let local 0& l0 G/ L/ C, \6 u; v
while [k <[trade-record-one-len] of myself]* c+ c% |; `+ e6 _. R, V
[& _+ d+ n5 b1 m! n0 N2 i' l0 `
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)
7 t% r1 r: I0 B& [( r, q0 `set k (k + 1)/ A6 n7 F2 h: l& z4 H6 O
]3 _2 ?1 b# ]$ W( z7 A _3 Q, j
set [local-reputation] of myself (local) x% n& x, D0 m+ R* y$ Q6 G# r
end
2 `$ H/ D: {) G- {1 p
3 t& k, Q7 w1 N# Vto update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
% s* j' u. f; D5 y9 l
& U: d Z n! j& ]7 y% f) R: A: F: ^to update-credibility-ijl 8 L3 C% n9 G$ w+ n* f9 ]
3 N: U) G' X. A7 t; F# m) D9 w;;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。
. D# I5 f0 f# p9 Z* K& M9 Y" {let l 0# a, X6 _2 l8 j$ I2 U' r; E
while[ l < people ]
$ g; `3 P- J, d6 z9 p;;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
; X! M4 y) T: R0 z- ?[+ C. D$ h2 }% T* c
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 H- k. e8 `4 Q8 x* Dif (trade-record-one-j-l-len > 3)% ]* z/ B* s; u. T6 J# u+ ~- o
[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-one6 D% T- O# i: i/ N+ Q: I, M
let i 3: z; p! p2 P" U7 c
let sum-time 0* j- t s4 W3 Z, @, \
while[i < trade-record-one-len]
' M6 J9 ~5 j6 ~; N9 ~[
" N; J# U ?5 n8 xset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )4 f. |6 L# B, x) K0 C
set i& h& @! N% M0 ]+ v7 D
( i + 1)% ]/ V- X Z+ G; f3 j
]( i* y2 ^% r6 I# G$ d$ l& O7 g
let credibility-i-j-l 0
9 A/ D; W# H- h! r3 l& u;;i评价(j对jl的评价)
5 \- Y& m# J( p- T- slet j 3
8 e; Y* u' e& B4 ?* S' jlet k 4$ {: |# Z# [8 q
while[j < trade-record-one-len]( @& f" K N0 V& S' O! r
[% i; p# R- W, U9 k! w4 z0 J& X: r( H
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/ a8 U% x" S G$ C) D2 m
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)/ N( R* h: d5 a. t v
set j
q' V0 E9 ]" i# x6 S( [( j + 1)
- i: z1 d7 f4 R! F% r' f8 s]/ s9 M; x6 R- m6 s
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 ))
* @1 A4 ~, @7 X3 S; O$ z
$ O/ v0 Y5 M' o" [# ]! M
/ P% C& U0 S! v- n% M* t2 Klet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))" u, s' d: m! y2 b
;;及时更新i对l的评价质量的评价
" u6 q; D4 l' i' a" Iset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
0 K6 A. [% c' p" `% J4 U6 r: `% rset l (l + 1)
. b; E7 y+ S: b" O/ P9 D]0 e3 I( i$ w' K; q# n+ h
end
- B( V# k0 C) }$ a" I/ h, X
4 r; N m( L; q& |7 o( Yto update-credibility-list/ V/ \7 O! Y- k+ i/ s
let i 0* z7 z; z y P9 P4 t# n2 N+ @
while[i < people]( h, V. Z/ {0 M8 ~
[
, C# z8 e; t) W# i9 D( h$ k$ mlet j 0
! A; M7 P* P7 A: j. Ylet note 08 `+ ^7 A, g8 J) O0 _; X8 B
let k 0
2 J% A/ R; H- |0 \% ^;;计作出过评价的邻居节点的数目
, v ^8 R$ E# V0 g; z6 u) Pwhile[j < people]
: K4 ?% j6 }4 Q1 S+ P[6 M" N, L4 N! O
if (item j( [credibility] of turtle (i + 1)) != -1)
v3 B- D# |2 U) b Q;;判断是否给本turtle的评价质量做出过评价的节点
( y% K2 ^/ Y6 Q K5 `! v[set note (note + item j ([credibility]of turtle (i + 1)))
3 e$ F7 @3 @$ }, e) F& e; B;;*(exp (-(people - 2)))/(people - 2))]
& ~* T: T8 I$ Pset k (k + 1), U% e9 q+ ~! e0 |2 r* H2 @
]
0 t: U( K: S3 Y! Sset j (j + 1)
|' [+ ~1 T; j]# J1 e; D( \: r( {+ d$ {9 A
set note (note *(exp (- (1 / k)))/ k)7 D) Q. f0 ` p0 ~
set credibility-list (replace-item i credibility-list note)' _4 Q3 {1 h4 T
set i (i + 1)
- ?' o* Y( O( \) P4 H5 p]
; ~& Z; g* d9 E, Uend- b7 s) a! g. f- b
4 ? b4 `" f* k/ z" ]2 u* x
to update-global-reputation-list
# i& F% K) Y/ n- y# n8 alet j 0
% h. U! z' ^$ ~: @while[j < people]# p5 F! L# ?% Y
[/ T6 b8 s, s! w: e$ @, c4 A
let new 0
: j K. N+ o3 R6 s/ ~;;暂存新的一个全局声誉5 q4 O9 {- H7 |. V# ]9 G
let i 0
3 \3 ]2 D0 M y" elet sum-money 0
X! U0 W- C( flet credibility-money 05 Q5 q2 \6 ?; b, w$ O, e
while [i < people]- G) T& O8 p$ {6 @# U* R
[
: _2 g8 k; r8 B6 M- V$ L, Tset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
_# u, S' R* H4 H! J) o) B6 F0 ]set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
6 q: Q# p! M$ c9 X+ Q3 Pset i (i + 1)+ X( B$ O9 O1 y* Y/ v. E$ O0 O: j- b. @
]- k7 N, ^$ l0 i. }. x# G4 @; H
let k 0
: d; m- X0 g: y0 c+ Wlet new1 0
8 b) E$ o1 a3 c4 ?while [k < people]5 d! Z& Y) Y, V
[8 |0 H" F8 d: P* 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)
; d8 D5 u5 J+ C& n3 }set k (k + 1)
7 G( p7 G, j& B3 i6 c& ?$ F& H]2 j/ r( A% Q$ i" w5 e: `9 D) x& @: o+ u
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
# Y( k1 X# A9 x# A, ]set global-reputation-list (replace-item j global-reputation-list new)9 ?; J" V9 O) w& f$ E. i
set j (j + 1)6 q* t2 B" k8 u2 r. @2 h5 i4 g! G& I. w) Y* k
]+ Y# T6 d$ O% w8 \ _3 J
end
* \: q/ W; S7 d. E; j. ^5 Z! U0 ~
" q5 }* C' Z$ r3 Z2 q! O2 o" w/ d, P M" P# A5 n
/ X9 p6 [, O6 ^( ~- n9 y3 Jto get-color
: |- S/ r* L# [7 S+ |" L
* Y8 S) m+ {8 t, p+ {" K9 Jset color blue
& w, ]3 g5 c; L; z: e) }1 Qend
& b- c+ @ s7 P6 D w% ^( o1 j; w: J! w
- l% @/ o/ l" ?1 W; u4 W. zto poll-class: z. p% O6 I' n: e2 j r3 u
end O# j$ h6 b$ Z' s+ N3 W
5 @5 ^, z1 \$ C5 w
to setup-plot16 J8 |3 t- [8 R; q8 C, S
; C: {6 X4 v8 j7 g
set-current-plot "Trends-of-Local-reputation"+ p6 m) |9 T- L) Y
2 _/ [: e0 A7 a7 q2 [( Sset-plot-x-range 0 xmax. d2 V" R; Q# u# ^/ d$ r% b
/ t8 h+ {3 u$ W" [, x& zset-plot-y-range 0.0 ymax1 q5 J9 Z! u+ o8 z/ r& t/ I
end
. Q! A0 a0 f1 M4 J; P
0 X9 \, A& X: K/ ^' P% x! `to setup-plot2& I- p- T9 A9 f+ n; [6 P& C; f# }
2 ^) I8 E: a' a1 ^: e' Xset-current-plot "Trends-of-global-reputation"
' s `+ u @" K. i9 @4 K# S m# u2 d; [; C
set-plot-x-range 0 xmax" H; I c1 o# U" ~1 V2 `/ p9 M
( S! T3 x$ F# Q8 I' ~
set-plot-y-range 0.0 ymax& j1 V: z* u1 ?0 j0 }* G- ~( t j
end
, a3 ]) y6 I9 v! V! Y4 D* c; ]/ B3 Q9 b5 s$ ]
to setup-plot3
! T( V' N. _0 I( |; A# \
3 A7 V) ^, `# d% pset-current-plot "Trends-of-credibility"! u e5 H' d, N: T- H
/ w* _! p7 f& C* |
set-plot-x-range 0 xmax# k& d: p+ y' c9 i
0 ~5 C% z, c, Y# t
set-plot-y-range 0.0 ymax/ ]1 H, y& N; ?7 Z/ M( _
end
- [- e3 z+ Y% |3 {
5 \* c5 y3 }% S/ ]to do-plots5 C. W: p* e: N% J2 A/ r% b% a8 o6 P- r
set-current-plot "Trends-of-Local-reputation"
) E; l2 q/ |2 w9 t( @+ ~set-current-plot-pen "Honest service"$ G ~8 N* S3 J: I& ?. d. P3 {
end
& v" S; x% F! a u3 Q9 F ?: m5 v* M4 Q( k4 B" h# |
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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