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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* Q9 i, g0 h* |" {; Z I5 G$ Z c. k
globals[
$ P& [$ q' ^) {+ f5 m1 {xmax
) Q; @) x3 I0 m2 N' f8 b8 p" {9 qymax
7 ]5 `, `+ S# c; |global-reputation-list4 x$ _1 f- Z3 Y" x9 b
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;;每一个turtle的全局声誉都存在此LIST中
" p# @" q7 E' f6 J" j0 B2 g g" ^2 bcredibility-list* Q* G9 G( P+ E$ t) z% x
;;每一个turtle的评价可信度5 o* ^. d/ ^! r( a' g, G
honest-service
& k4 B9 z/ L4 M0 Eunhonest-service
$ X# d7 g8 C/ Q9 o! goscillation& J+ d" P, o: z0 ~+ | x5 _# ?* q) ~
rand-dynamic
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turtles-own[+ ?) y! j& N. k& a
trade-record-all, I* O+ e' y& ?9 b# p e
;;a list of lists,由trade-record-one组成; ?: c. F& T7 [# Q* t9 a
trade-record-one
# e' `+ \* a% A* V: Z;;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]]
# w: y- `6 m/ l8 Wtrade-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]% L, \8 T$ a. _4 k$ h" p. o
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
1 ]: _7 i s- G; a# {* jneighbor-total+ E& q( I9 J s* l
;;记录该turtle的邻居节点的数目
3 |+ n/ S! ^ l) `2 W) `trade-time* E2 _+ J/ N; l3 ` | E( X' L
;;当前发生交易的turtle的交易时间
, T% q# m' q5 ^) e5 gappraise-give
$ P5 x/ z" |5 D6 U;;当前发生交易时给出的评价
" v9 `8 \# N4 U% rappraise-receive
( D7 ~0 y. f3 |! T6 B: b8 ]. H2 v;;当前发生交易时收到的评价0 B. ~. w6 E0 g" d) z& d
appraise-time
$ r/ N* U' Y8 t! R9 B) G! ?3 U;;当前发生交易时的评价时间+ ]% i8 o4 K1 d% E
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ b; q: W: v4 k0 W# m+ Gtrade-times-total
! e( Y: Y+ |: _) Q& P: a;;与当前turtle的交易总次数
# V; i% R: i) ], @+ ?" y1 l/ {trade-money-total7 F1 D5 U& v" A0 E/ `* B% F/ x
;;与当前turtle的交易总金额
! l9 j5 O; d8 c; ilocal-reputation7 f1 m/ ~' I1 z9 O2 T f7 U7 q5 a
global-reputation) h4 M0 D; i0 U) U$ o* p
credibility' \/ f; A% Z: b- [
;;评价可信度,每次交易后都需要更新% o' s1 W. l8 t( y5 X" F
credibility-all5 P6 f1 `+ Z4 W0 d
;;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% u0 i/ K+ _9 n; i/ o: Y9 k8 N
; _9 o" f; [& i3 ]- P9 `
;;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
9 X" \# m) s1 bcredibility-one
2 }( H7 I) x9 i6 A4 |0 J;;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
; O r. Q# f) z9 H( |global-proportion
* U: {3 e6 A9 x) i& Q0 ucustomer( M! x& Q: P4 j) x$ D. D# Z
customer-no" i8 p4 ^4 P" I {
trust-ok
& t- Q* g. n5 ~ M7 m) Ktrade-record-one-len;;trade-record-one的长度- t4 K0 Q- K s# q; @
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& `: Q! z' {. c;;setup procedure
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4 @. E7 j' x7 x) e8 Y! |to setup. O, t7 Y0 n+ j2 u, r4 c8 B
) [# v8 c+ u" a8 mca% z& y+ `6 W' j }
" H1 K: t2 e& C) s2 Jinitialize-settings) S% B9 C& c, U7 n7 Q
9 _ J% e* R7 y9 g% bcrt people [setup-turtles] p5 ]' Y5 o. z: O( e* k
; c l5 o+ K, z. \reset-timer- F* P) N) n2 M( o7 i
% G: ^; ^$ O$ f+ S) npoll-class) B' Q9 U( R+ g- C- g! [# l
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setup-plots
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do-plots
: U: U0 `1 B, _ Tend' J0 w& O5 A* N% ~# U
) V$ v$ W m. R* _$ t/ q! Cto initialize-settings
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set global-reputation-list []
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$ @: C0 ]5 P. x. c5 mset credibility-list n-values people [0.5]
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set honest-service 0
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set unhonest-service 0+ h% y/ ]' t6 q% r' u$ G& c7 [
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set oscillation 00 L" \$ w) j4 N5 [' P
9 L! i# t$ T& {3 c' |set rand-dynamic 0
9 w5 N* h; q& j) T1 R' T( pend
[, Z6 j: I8 X' N! e; A! H* |* Q7 x7 l5 M2 L
to setup-turtles 9 ~% f4 c. n( c
set shape "person"8 L' y* {" M( w$ Q1 H, e G
setxy random-xcor random-ycor
& m3 t0 i, @$ F; x2 O3 kset trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)]
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9 G1 T- y- S8 J" B2 y5 nset trade-record-current []$ s0 {7 ]- j6 o* Y
set credibility-receive []" n/ B- [- o% I% h v) j( h0 S* r5 m3 m( S
set local-reputation 0.5
0 d8 d& \/ |/ J% j7 K; d' K. C/ yset neighbor-total 0
^+ v) }0 f$ Eset trade-times-total 0
2 J* C. G5 o8 _( jset trade-money-total 01 U" {, J# @- M; w/ ?
set customer nobody
9 u6 Z7 T6 o; v2 i8 W( Uset credibility-all n-values people [creat-credibility]" y7 @6 E( X/ F- c: m3 I# |$ s r
set credibility n-values people [-1]
7 P* _& G. A; C& s0 Uget-color1 M: P- A% W8 L$ D% |
* F8 |+ g( E& V* Q1 N: k7 fend
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8 ]9 k1 ]: Y" U% k2 jto-report creat-credibility
* a6 m6 D& C ^3 R& h) D4 ~$ s; {report n-values people [0.5]" y6 X2 I' d) `
end
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to setup-plots
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/ O/ P A2 S6 [8 j0 oset xmax 30
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9 ~( D& Y# @6 y. fset ymax 1.0
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0 C7 w+ H* ?1 I- u0 d0 yclear-all-plots
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, `- N8 W3 C% Z1 U- f% Psetup-plot1
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: i3 M2 k/ q- e9 _5 J$ C" W1 M4 psetup-plot2! Q8 r: A+ X' j6 |+ O% E Q
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setup-plot3! W% K6 A" L2 ~7 z4 Z
end
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;;run time procedures
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to go
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ask turtles [do-business]
' T/ ^8 e9 y* A: G& @8 zend
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4 ~' A/ S* E6 F3 q9 V: vto do-business % K( @0 X# t) K* {7 w3 h! w
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rt random 360
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/ W2 ^4 K4 W5 Wfd 12 l( e& N8 o3 L% a; }
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ifelse(other turtles-here != nobody)[
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: `# @6 E, V% q; v2 Fset customer one-of other turtles-here0 M6 k) z! K& L% N& B# j" `. |4 y
' u6 \' B) @! v. R;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
. Z& g) T- Y3 G( k: Q[trade-record-all]of self
0 a8 `. V4 q! W9 P;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self. n% B6 x! ?5 l0 q+ v
( o5 n+ |3 i5 m0 {9 W) _set [trade-record-one] of customer item (([who] of self) - 1)
5 K- @% g6 m W# R) h: P[trade-record-all]of customer6 O! n. x# i/ B" ]3 N/ F. h
* s6 s. m3 x2 \8 ^ S
set [trade-record-one-len] of self length [trade-record-one] of self3 t" x# _) M1 m S$ l* f) p0 J
; ~- D: {' i; d( Wset trade-record-current( list (timer) (random money-upper-limit))0 r" d! W. |+ [" K) W' E4 l5 y7 U: `
0 j0 Q2 k2 z5 f6 _3 h$ D) Eask self [do-trust]8 b O [6 y; i! ]/ T
;;先求i对j的信任度
% T9 y% }( J( J$ ~! B+ |( p! \
4 [- \* n8 \* f7 V; j2 _1 ^0 tif ([trust-ok] of self)
, L" W; H* [ h& z7 ~' m4 s- q( n;;根据i对j的信任度来决定是否与j进行交易[) \2 B$ z( ~( G$ r, ]6 Q& s, e
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself6 ^6 j$ K i: ?% |) S
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do-trade
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: W9 i+ H- i, c0 Y7 eupdate-credibility-ijl( l$ N: T* K) E6 [, F' l% H1 M0 l
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update-credibility-list# n) p+ l8 F! U1 C- p" `
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! {4 F6 G& |, J2 K0 oupdate-global-reputation-list4 j# g- x; N2 Q0 [- [
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poll-class+ I0 T' C: C$ O% i# J9 h
9 B1 G; s3 a; X7 _
get-color
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3 j' e+ W% f9 K* t, s9 z; o]]1 I; U7 j; c, ^. d, l( i. m- B4 J
. o. N! p; `/ G- ?+ C;;如果所得的信任度满足条件,则进行交易
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' g+ U% t' c: V$ r[
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$ M! F6 n- i: L4 }% b0 d6 ort random 360: Z1 X" R! ]( h D. l
% V; A3 w6 Z7 \/ u% Y. k' `) p
fd 1% l; l& Y( d6 E ]
, o$ G+ s) U* D: R5 Q
]
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end
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to do-trust
- O* c! L0 U" b1 f# C Jset trust-ok False
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f& _$ U( z$ `) M, `
let max-trade-times 07 x$ f& \) w' W) u; m0 n0 M
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; M# f3 x& h; N6 o! r ]9 xlet max-trade-money 0
8 P+ j6 X, W* sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]' t: [; c) `- ~( b3 h
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)) x# M9 y, R, w$ I! A
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get-global-proportion+ {6 g9 w9 i9 ]& p1 K V9 |. r
let trust-value
; e0 b9 a% x8 Llocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)3 Q2 f" Z. F& F* C& @7 A9 v T
if(trust-value > trade-trust-value)
. J$ O U3 f e; W+ B" K[set trust-ok true]
. l+ |' B* @- R% F7 t( M7 nend' N s% h. w: O$ ^- G- m; R; @+ ^8 a
! _ ?) h2 [& u
to get-global-proportion, Y: R4 F+ d- W( o0 H/ B# ]
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 N5 `$ v4 M/ Z' ]# J[set global-proportion 0]
) N1 s% [: v* I# O/ N[let i 0/ H3 J9 G) y/ w9 h8 j8 b3 c2 I
let sum-money 0/ u/ b$ G4 [: {/ ^1 ~
while[ i < people]6 U/ {" M( ]4 X5 `" P
[
. k/ U0 T V" v8 B# Y) J% \- cif( length (item i
! G* e0 U D8 j5 U[trade-record-all] of customer) > 3 )) x, Q) ^9 z" w* p( Q$ q
[1 R, N8 w/ F; B" ?; o: }- N
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)). s3 K0 s0 H4 ]* v$ o/ F. A
]+ F! X/ Z" ?# L; k
]
$ E7 H& S, t. [( G+ U) @/ |let j 0
( }% E# O0 [! h5 olet note 0, p; V8 k9 C- r& @
while[ j < people]
8 b3 z% A& |$ u( b/ x4 ~. Y; M[ A# L/ {+ h% ?2 L+ j1 i9 S9 F9 P
if( length (item i* F) [( R9 f, \6 d& X
[trade-record-all] of customer) > 3 )
1 r$ R$ A8 ?* @5 D& b Z' p[: ` N! F6 }! d& ], c( D
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ ?5 W" b' v- y+ x7 s m
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ Z% \9 m5 t( W6 {* ?) G3 T1 h
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]6 q$ H3 `7 \8 _( A" e9 y
]6 p" A) I. w9 i# ]6 X
]! ^( n5 F8 w3 H% p9 t; o. |
set global-proportion note
0 Z. r- B4 ^' U9 m3 p% ~]- {$ m" U- ^) G" i& b$ k1 C% F3 {
end
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to do-trade
0 y) h. `6 c/ g, m;;这个过程实际上是给双方作出评价的过程6 H7 X( t8 n" [7 O" p% J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
1 x& U2 Z5 _6 tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
1 J) I' U4 _0 N% o8 N; uset trade-record-current lput(timer) trade-record-current6 ~' |( I3 d6 m; T
;;评价时间5 |' M& T% n& s" K5 e/ W
ask myself [* Y8 w- H: n3 U+ l
update-local-reputation
4 @1 z& {/ {3 i3 b5 Cset trade-record-current lput([local-reputation] of myself) trade-record-current$ Y8 {. ~; _. z% y! q. q
]
: m1 A, J4 w/ g# u8 `3 }set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself' r; _; Z8 {& N/ {3 w) G, q D: w
;;将此次交易的记录加入到trade-record-one中3 {& q7 }2 c# h, `: ], P
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# p: a( j3 g3 {) N5 h6 g3 ]3 V) Y. n
let note (item 2 trade-record-current )
4 k, x5 Y0 ]! ?. c% h* z! Rset trade-record-current
* j% A0 P7 l7 _7 e0 B# B(replace-item 2 trade-record-current (item 3 trade-record-current))# Y. o: t- v2 M( F p
set trade-record-current" X8 t$ F* c" U }0 @; B
(replace-item 3 trade-record-current note)
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, g% M. U& v S( ^! D f3 d3 mask customer [4 v& D: Q9 G$ j# t6 u( M
update-local-reputation. [5 B2 C% \& O* y" a; ~; d# e
set trade-record-current
}& P) h- T0 C0 a3 [& L8 } ?(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 9 _. E1 X5 Y% x' d. _- b; ^$ k. p
]. c S8 } p% G
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+ U( E) A$ ^% m8 Y- E5 v. Q& K
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! H6 X) L6 I( w9 c Y: P
?: s0 t+ J* {/ N |7 B
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))* G e7 O: X, c$ ?
;;将此次交易的记录加入到customer的trade-record-all中3 C: e* q" M; G0 J K
end
3 p& u) F- Q; `
! \0 x% y: l/ ]0 p# K! l" @5 u: dto update-local-reputation
3 }- H3 C7 L& h0 k$ M1 B7 }set [trade-record-one-len] of myself length [trade-record-one] of myself4 F# h1 ] K+ V2 t- _: q( _
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;;if [trade-record-one-len] of myself > 3 * S& A- }8 V' |, R! }$ l: ]" d; a
update-neighbor-total0 U3 D& }0 f# ^. t
;;更新邻居节点的数目,在此进行0 n+ J) i; R' \2 L/ i; ]: T- \6 `6 A
let i 32 o) B C# N3 X
let sum-time 0
6 p7 b' R6 W w9 ~while[i < [trade-record-one-len] of myself]
& e9 S7 u( W' c1 I# E[
5 @6 M7 Z/ A1 \# [5 Hset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
8 E+ K8 n0 P! I- ~9 P+ g# i2 kset i
+ a7 B; G1 G6 V/ J& s$ c" Q( i + 1)# x6 J# t9 S; R7 q* a" ^5 E7 C; y
]
- t( w- X j' ^: A0 t4 g. \0 e8 \let j 3
/ C/ X. ~2 q3 e \" olet sum-money 0
9 x* f+ a4 f, T3 D* `: \! Bwhile[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)
7 w; p; E: [2 X6 `( u6 }! mset j
5 P& \+ z. W. C" n. g0 Y6 @( j + 1)
, U) [6 M4 g% g; }8 F+ [- x]
- m8 }1 X0 ~% {1 x: J! `let k 3) D* n) ~ K- v& T0 w. N
let power 0
9 |8 H9 r8 ^: k: u8 plet local 0
' o" p3 {( a) ?4 a: Awhile [k <[trade-record-one-len] of myself]8 l3 R3 e! M7 r: ^8 d+ ^0 G3 n8 d( I
[ i. Y V7 o- ?* O5 I
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)
; U$ |1 a8 C8 B0 S) G! j. aset k (k + 1)
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set [local-reputation] of myself (local)' `. U2 K4 U- T& ?* S Y/ a8 _. o* s
end
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to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ J6 x. R: _# Z3 s5 [, {9 n. t, D/ d! o% c9 K/ s
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end. {: A/ a% h; p4 y, x) u9 f
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to update-credibility-ijl
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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。4 |2 t! N$ U9 I
let l 0
. ~% i9 o0 s1 Y, Awhile[ l < people ]& Y7 x* _' X5 U( L0 W( S/ A+ D$ e7 ^ q) c
;;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/ E# I% J# k2 i. F; L
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
5 @# ]. W+ X4 D; S5 v: O1 Qif (trade-record-one-j-l-len > 3)
: H) u. o P; E$ u0 l0 D[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
4 C9 \: r" f& H& l$ ]5 ~let i 3
1 O1 o `: p% T) {! Wlet sum-time 0
% D. d) |) `% i7 Mwhile[i < trade-record-one-len]
- ?) a* j- M4 d d[
! g' @1 a; u, a* @* @6 r# J8 Zset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
6 D- R4 t2 m& ^8 T1 sset i
# t, w2 W! {4 u$ _ b( i + 1): T, H3 Z% o' j' g* g
]; q7 K) ?, E$ N2 U* j/ _+ S7 R8 i
let credibility-i-j-l 0- _7 z# w, I& O6 r0 k
;;i评价(j对jl的评价)
; P% v$ \7 W( f1 ~let j 3
]3 s9 i2 h, v: @& ^1 G. Qlet k 4+ C' ^% x9 P G
while[j < trade-record-one-len]
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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
$ D* Z5 X1 z/ [7 d( t t7 w. X; `6 R) u9 Mset 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)
% Z" }* D: Y( {2 b. o3 G: m) m, Tset j
0 w) O0 p! F1 z$ ], e( j + 1)5 x( p: R( R# T2 Y# K3 j
]
4 \ i" u% g$ e/ Bset [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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
/ q- H4 E7 o' V' t% H! m;;及时更新i对l的评价质量的评价
' n' ^2 p: m- {+ C% `set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]$ s$ R! y# o/ l. R) _5 f
set l (l + 1)4 R# {" G) }% y7 B
]
; q! {* _2 Q5 F% uend
4 _. P( D5 n* |
2 [- N6 }+ C0 E( Sto update-credibility-list
$ h5 m* K! A4 v) K* L6 Ulet i 04 d5 c, N" }3 y' y5 c+ U, q
while[i < people]" t! Q% }% f8 H- T( B7 C
[
! b: x% T$ @, z, mlet j 0
: B V3 g* q; d% n; Qlet note 0
9 q4 f" H7 l, k6 w4 slet k 0! E* w& d* h! _
;;计作出过评价的邻居节点的数目
+ s: U8 U f: h$ M/ W# m M: K1 Dwhile[j < people]
9 Q" n; W9 Q- j0 q0 {1 V+ ?3 O+ E[
3 k( n, J0 K8 n# zif (item j( [credibility] of turtle (i + 1)) != -1)( s( [- V$ y( I& n; N
;;判断是否给本turtle的评价质量做出过评价的节点
5 ^5 l, I* V7 `8 V: R[set note (note + item j ([credibility]of turtle (i + 1))), O# m9 D: p7 S" z) x& Z6 J( A
;;*(exp (-(people - 2)))/(people - 2))]& @0 U, A1 T9 p7 U
set k (k + 1) K) `) b, P6 s
]
& V7 ?- \) p- {* ~ I! L& V2 K9 sset j (j + 1)
$ D2 j2 ?7 a! g! m$ I+ E], w% P$ u- h3 ^, y. n/ n2 @; y
set note (note *(exp (- (1 / k)))/ k)) n/ O3 h& j" k0 X3 U
set credibility-list (replace-item i credibility-list note)
8 Q/ z6 _* L9 r% Fset i (i + 1); k9 F! [2 x8 A: U) |
]
A& p3 h/ k; ~0 ^) B. L1 a/ Dend
2 M& G0 l* B3 `6 d' V: x/ Z
8 B% D( N3 [$ f4 z4 Ito update-global-reputation-list
$ B; u& P$ x# l( }8 @let j 0
) U5 a6 z+ ^8 ?0 L7 Uwhile[j < people]
( L9 o0 ~( p/ W( j" e2 D[
* y/ Q0 A% ~5 j3 d( d) R: zlet new 0
8 S' r; C* r' T# a2 F1 H;;暂存新的一个全局声誉3 ]# ?$ Z! y- k* ]" p+ R7 n, b
let i 04 h- z+ t! F- Y/ s
let sum-money 0$ }7 G) j" ^! O( l7 T5 u1 Q
let credibility-money 0
& z' H/ a3 ~! Cwhile [i < people]5 v# `2 _; H. e W- E2 Q
[2 ~7 j8 A/ R* e; ^' A" v6 d
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( Y+ t0 x6 w1 R' l5 K) Zset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
. k$ n+ V4 _) w' ~ tset i (i + 1)
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let k 0
4 A7 z7 d+ Q9 H& Elet new1 0
3 Y1 h/ A, X6 T" U1 fwhile [k < people]
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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)% F0 x3 I& D: {& y# M
set k (k + 1)
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( V; ?9 b3 t4 r f( V1 F" a0 oset global-reputation-list (replace-item j global-reputation-list new)
+ }' u$ p. O% B; ]+ i' ? kset j (j + 1)# p4 _ r3 B7 _. j5 x9 y) h* F
]- v8 X9 e% E) J% |: E5 Y2 @ W
end
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+ H7 z, o$ I7 o8 p: q8 v! V: G; e M, k- v ` O( E
to get-color
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set color blue! d& W* d }9 }' S
end
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to poll-class
9 j/ }! s3 K! @# m) X! J6 n% ~end
+ l* h) B' Q' u2 P
( n% \. N0 ~& rto setup-plot1, |) J; O* G, P( L
8 l. [3 k, H* K) J( mset-current-plot "Trends-of-Local-reputation"7 h' W: b. P c3 `5 p
, i( [) E, h" X
set-plot-x-range 0 xmax b% u! o, z. k( u, k; G
) b# R2 F$ {! V6 o4 Lset-plot-y-range 0.0 ymax+ _1 L6 H# ~; g& R7 Y+ l& `8 A
end
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, N0 i/ T% O* T6 L% `1 N7 ]- Z Mto setup-plot23 V- R6 { j9 R) J+ F9 I$ q
% j: W- S0 i$ _* V3 `/ U8 ]9 Fset-current-plot "Trends-of-global-reputation"
. n6 ]% L* E9 J, ~5 J8 _* ]
. q" W/ J: F0 ]9 F9 Xset-plot-x-range 0 xmax" i u2 [3 ~# d( ?9 @1 }
" W. G+ b1 T+ K! a8 |
set-plot-y-range 0.0 ymax9 c- X, S2 q- U0 @" a( p; m% R
end: V& _6 @2 t- s# i. }6 E& i# H# |
% z0 G4 h7 j" F4 @& P' a
to setup-plot3
+ r) R! b. O2 B8 I* r8 S1 i
5 N- ~ X6 _& I# {, s$ Z: P/ Xset-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax
% }/ d- |1 e& `( U1 }# z* M: ^1 p3 r( P9 [. W+ |. p$ K& a
set-plot-y-range 0.0 ymax8 s) Z" d9 a* _9 Y% c, {
end
) |2 @5 r' I1 j' l
" R- O8 W6 G) ]7 t: qto do-plots
$ G% @ x% p; y7 y/ p, qset-current-plot "Trends-of-Local-reputation"; S/ M- o. ?3 F
set-current-plot-pen "Honest service"! C4 c; Z6 T& a! ?
end- J2 y: Z" m |1 L ]# I7 N
+ A% j! l I$ K2 M/ C
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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