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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; D% G1 P( F7 Q6 g+ d, K
globals[ F- B1 Y% W2 a o+ J
xmax
( D% [. d& z1 E9 Z0 Qymax
4 n0 Y. R5 N6 X% `1 ^, a6 Iglobal-reputation-list& h! k0 a$ p' Y" {0 f0 ~; {
2 @: ~2 t, u. e
;;每一个turtle的全局声誉都存在此LIST中
3 g$ B0 w7 v- R: b& y" T+ Ecredibility-list) r2 e+ Z, e+ S- |
;;每一个turtle的评价可信度
; d3 ?; L, h A/ ohonest-service
: R- v7 Z S* G, c& lunhonest-service! Q. x' A0 R7 v" e1 O; Y2 A
oscillation
4 ]' c2 c9 @# F' k1 D# frand-dynamic
! ^ g5 a9 b1 p/ Q) J( H]% z' r! L$ A$ {& w( Y3 \& v
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turtles-own[
2 H/ I7 ~ R! c- E% R, ]trade-record-all* U" A* c8 [4 M% ?9 _5 p) ^
;;a list of lists,由trade-record-one组成& R2 l' X/ Q5 v3 U' `) Q
trade-record-one. R) P& C6 t 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5 C- i$ M" D5 l8 e' @4 M# r' n2 Q# t
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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]]
$ @; C$ z( k( t, d H! {7 L2 Ytrade-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]
5 f! q h$ F6 T d' Jcredibility-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
& E" E I6 v: Y N/ nneighbor-total- D7 b3 |6 J5 F( A. V$ h( C% H
;;记录该turtle的邻居节点的数目
C, U# c5 _: [. y6 `( Mtrade-time
& d; C: c4 c7 d! p;;当前发生交易的turtle的交易时间
: l2 [1 |; B7 _& [% h+ n- i Iappraise-give
+ j& o& j5 _4 z" i) k;;当前发生交易时给出的评价
8 r% @7 |! }& A/ z5 {appraise-receive# s6 x4 J! ~" M$ r5 ~2 L
;;当前发生交易时收到的评价) T# _% [# v5 S) }! t
appraise-time
R3 X+ c$ k, a, Y;;当前发生交易时的评价时间
. l7 s, W8 [0 f8 x6 Elocal-reputation-now;;此次交易后相对于对方turtle的局部声誉2 I7 B4 K$ v1 V0 N
trade-times-total
3 j! [9 l2 F- I s/ J `1 f( E;;与当前turtle的交易总次数
6 T' r0 _+ L8 B8 Otrade-money-total
1 D5 [. n8 z9 ^) G;;与当前turtle的交易总金额6 g7 P; K8 b6 G. @& {/ ^( O, o: s
local-reputation6 w2 M. u1 \2 b9 f. B' x8 p
global-reputation$ c, V8 ^- {( S b
credibility
. [: C5 U. O7 p* ]: y& }# t;;评价可信度,每次交易后都需要更新
& Q( Q M, N1 J2 ]9 Q/ E) zcredibility-all
9 q! I: ?5 u1 |2 U# r! ];;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; X$ {9 U" N+ r6 ] T. P( N
, e: I. ]1 S+ P) L: 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
0 `3 @) ?5 ]# p; D5 n' kcredibility-one
8 k6 p+ E) P2 V4 J+ Y) };;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9 [8 X+ Z- T3 {: R
global-proportion
9 ]% j7 Z* U; }9 J% dcustomer d. ^: @8 \ x' [8 ~% D
customer-no
5 M$ _2 ~8 f: P0 U1 U; ltrust-ok
9 x7 y9 Q6 j- `" N9 T# mtrade-record-one-len;;trade-record-one的长度& U* G8 F1 u) }+ Q/ U
]+ R4 P7 ~' m# A/ d) `! H
6 x+ m# g& K6 `4 R3 q' P;;setup procedure( x/ `2 k; J$ s, v' c- F
0 f; Q% g5 q! j) uto setup
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, I$ [ o" u% Hca
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initialize-settings! M, y& t" b& q/ v% s [) S
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crt people [setup-turtles]
9 l9 K. k1 z# `0 p4 y) ], r
! b. B5 t" ~: o" `) X$ @, B# Areset-timer
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7 h/ n# z6 L6 h& ?, [# H- U# Mpoll-class
* j' r7 Q0 y( Z
1 z& ~; G" N9 g1 Q# y' _setup-plots
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9 g7 h9 C& o, e* G+ z1 t6 xdo-plots
$ o/ ?: ^$ ^/ T Q; Vend# n- f& \- @- h E! o3 I' V
4 \/ v; g: e; Oto initialize-settings% G4 m2 V9 @9 x# ~6 w
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set global-reputation-list []
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% S0 G8 @" \4 w! `1 y+ ~+ |8 `set credibility-list n-values people [0.5]8 R1 E3 v8 S2 T( z Z
2 n# J: v( `! q U
set honest-service 0
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set unhonest-service 0* y( ?* i7 c3 M; G4 @8 ?
# X( L. f) w |9 Q7 Wset oscillation 0" W. N# B5 o6 E3 u& Y
4 K: h; B8 R* B( a! S/ F3 ]
set rand-dynamic 0
( A6 R u+ r7 B6 p4 e) }end, F5 W/ c$ q1 S0 [$ D$ L
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to setup-turtles & P* t$ ]3 R2 { |0 B
set shape "person"
& F% [4 K; o+ A- isetxy random-xcor random-ycor- f, E: m' G/ n+ t) ]; f6 A
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)] # n$ c1 t; u$ e8 i
* U' G* r* T+ u/ Y) E" ]$ d8 |2 jset trade-record-current []
) N! Q' U( I9 q, H8 x/ Aset credibility-receive []/ P: A3 K' @0 a: `5 \
set local-reputation 0.5: M) U6 y# c: k! n3 K
set neighbor-total 0
2 b% u ]& l) |# kset trade-times-total 01 t. R6 q3 f8 U! p l( s; z
set trade-money-total 0! `1 G" M" L! I0 N# J. t
set customer nobody
# C/ }) W! i; r* v ~. i# I9 tset credibility-all n-values people [creat-credibility]
" Z% C, m8 u _$ z' `$ {set credibility n-values people [-1]
1 k/ R O) z- N8 o' Y4 O# O4 x! rget-color
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end& S" K/ z4 ^3 g0 a ^
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to-report creat-credibility
9 w+ p s" e& [* u/ c, kreport n-values people [0.5]
" Z2 A$ M) s0 h) kend
6 D- T X% C4 ?! ~
7 J# K9 Q: E9 J+ F% {+ sto setup-plots
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set xmax 30
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set ymax 1.0+ F- C! n4 L! M" c" g& ?
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clear-all-plots
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setup-plot1
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setup-plot2
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setup-plot34 z9 z! v; y: ~+ K/ ^
end# m% q5 t0 y& n% w
# Y7 ~3 b0 Q7 B- L+ }1 s! w5 R;;run time procedures
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to go) z5 b& N: \( a, Q; `
1 C. ]: x- c. b/ L: w+ t5 Kask turtles [do-business]- j& l' Q9 G0 _* F9 e1 {/ B
end5 M. n* S$ J& B) V ~* @5 J
* h- K2 |( O0 o% e( @2 K* j, [, D
to do-business
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$ n; `2 P' R7 w: Q0 N1 l- Z& S
rt random 360
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fd 1! o. g+ l1 B6 A9 c. @" k
1 y5 Y4 [; N ~# X. G. n# kifelse(other turtles-here != nobody)[
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" y0 [$ M4 G9 Pset customer one-of other turtles-here
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;; set [customer] of customer myself; S, ]% \6 k3 z& F! {: j: t
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set [trade-record-one] of self item (([who] of customer) - 1)- \7 x G G2 Q: H7 B k/ V
[trade-record-all]of self: @% A; m3 G6 t
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self9 g5 g8 J% X1 _
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set [trade-record-one] of customer item (([who] of self) - 1)# n4 g2 b* u& t9 C& {
[trade-record-all]of customer, o" T) p" r' o o
8 u7 D/ a( s& d: Y/ V9 Q# Pset [trade-record-one-len] of self length [trade-record-one] of self
' D2 P4 I: Y( ?$ U7 b; M( ?# C
/ N. P6 a; _6 T8 ?8 rset trade-record-current( list (timer) (random money-upper-limit))2 [' ?2 |2 n4 x/ ]
0 b9 F& h" C' ~: K; q" ?/ `# o8 U
ask self [do-trust]+ W+ O" V( H! O( f
;;先求i对j的信任度: @4 U! F9 {. b! d- ?8 O8 D% t
$ ^5 [9 U5 o7 p' f( Z# ]$ G2 L( hif ([trust-ok] of self)
( K7 L2 |/ P8 O% G) c5 X0 u1 j1 P;;根据i对j的信任度来决定是否与j进行交易[
4 Z: S' q3 ~6 u5 M# yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself- M9 o; H4 {1 C% y
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[
% v! @" K8 J$ O$ Z) f% T7 b M$ t7 ?. t. S V
do-trade6 e3 d0 E4 [) M7 s g) G# Z; ^* L
! y2 d6 h4 P/ S, l% ?: z) T7 i6 O3 ?
update-credibility-ijl! F2 z1 |* ]; f
+ H4 d" `4 k/ `' R9 R9 Jupdate-credibility-list* ~4 c [9 h% u% K$ _" \2 U
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update-global-reputation-list
9 _" a' n8 n% ?# I* O$ [
- f m' C$ e; e$ a6 R- Opoll-class& k R0 R& n% H
B9 K& Z" r) p" ?% |. A5 oget-color
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]]1 W: X( o6 _( o- H$ }9 l2 ~
- D$ i/ q+ l) v
;;如果所得的信任度满足条件,则进行交易
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[
" ^' `0 f4 X* n" }/ _& i! w% w/ x# B, H9 o& ]
rt random 360
r' i* w& O# j: u. D8 q* e6 ~0 C' N- m6 f/ d ]" u9 Y& B
fd 1
9 ?+ \ N. U* O( P+ J4 ?" _8 x c. `7 H9 ^0 d L! n& z/ p
]' G" M+ I# S1 C* X
+ [6 J. M' V' M H* Cend/ r) d' T: U' n5 O/ e0 U
% b9 @ b9 ?2 L% vto do-trust 9 `8 b) e' f/ n# i2 V
set trust-ok False5 Y/ N: o& I w3 o: ~
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let max-trade-times 0' \! C# x/ O2 f6 q, M
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 `1 X5 e6 s: f+ s# S6 q5 l. O
let max-trade-money 07 h$ w/ C/ i, L2 l
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]- L. s* L% p( x& w0 T7 J# ^# v
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) \ a( C! l3 D
5 k" `, g4 C; J3 Y" E" e
" b/ L4 v$ g5 @& U( n& a5 F' S: Kget-global-proportion4 u- s6 u0 \6 T5 z: u0 N
let trust-value
( J( J% c: u9 tlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
* l4 j; j1 S" @6 T0 oif(trust-value > trade-trust-value) c% H4 ^# c6 O+ e; y" I) }+ }
[set trust-ok true]8 \6 Q+ m5 k4 d6 _. D$ E5 K7 c
end- _/ @" D4 f$ T# o: k' v7 t; P
/ B, n4 ^$ G$ u. A8 @$ ~; b6 `to get-global-proportion: L9 P& Y4 x9 R' U% U& h
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) ^% p7 N5 p# K' O. J/ v0 a, b! U& E
[set global-proportion 0]
9 g; O" b- f2 a X3 W[let i 0
, _& r" E1 a: I6 R$ _! Hlet sum-money 0
$ P G4 N& A- u9 m7 x9 Y) Y" Owhile[ i < people]3 m8 u# V% m7 @) a$ D+ Y
[
^) b, s8 v8 Y5 A' @5 k0 ~if( length (item i8 s9 E. {% A0 c' _# L6 q
[trade-record-all] of customer) > 3 )
% i0 x) K9 a0 q; F[1 T7 n0 A6 v3 S: w5 q' y- N
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 ^( u+ b/ J4 S+ } B]
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let j 0
( Q: }6 t' }7 Y& nlet note 09 ~. ~; V9 o. s9 \
while[ j < people]
" J' k3 [3 Z+ n, |& F" C4 a1 q[, T: d* t- T+ U2 s( t
if( length (item i
0 U0 X$ y; h( Q9 R7 v+ Z8 R[trade-record-all] of customer) > 3 )1 N3 X2 S" S" b- \( w
[
# t u, z; ]5 `" J# r% mifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ s3 @; k8 s3 P9 l0 w& f2 r }[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ ~) [, G j2 Y+ g$ |. v5 G" A
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
: A; C/ m; [* v5 m* i]! { @, Z" O9 T& R; u
]: _! U4 D+ q( [7 ~+ @6 p
set global-proportion note8 C# Z: L6 H- \: E
]7 t+ p! _2 M. r6 E7 i
end/ x+ r. V9 c( u0 K' L7 P" I! V
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to do-trade
; ^3 c) J+ U; k1 O) C;;这个过程实际上是给双方作出评价的过程" t4 V2 M5 X: _" E# Q" |
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
, g( J- O: h* R( ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# ^& X: U; g3 b: @7 X3 K5 F6 D) P' n
set trade-record-current lput(timer) trade-record-current
) P8 r% W1 x7 R% f: s;;评价时间
1 E9 J( n/ Y- P4 u. cask myself [2 Y1 R* _( y; d U
update-local-reputation5 x0 a9 Z: S" ~
set trade-record-current lput([local-reputation] of myself) trade-record-current( X' s3 g( f; E# G& F7 P2 I
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set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself. _/ B' o' y( y4 w9 t
;;将此次交易的记录加入到trade-record-one中
7 u: r2 x8 B* q1 O* o/ Zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
- ^* @" K' [0 vlet note (item 2 trade-record-current )
9 J$ K E. @% M1 z6 Pset trade-record-current7 ^/ o1 M. Y+ U1 H" r
(replace-item 2 trade-record-current (item 3 trade-record-current))( k* p/ a# P7 H6 s8 g. d2 k
set trade-record-current
$ ?3 y) |2 J$ f; b% J(replace-item 3 trade-record-current note): L6 m& o1 L" O! }: L
I& r3 J% r+ E0 r- \0 z; r
3 i* T8 \) ]( t4 jask customer [
- r8 z, J- A4 ~5 v" m9 R/ {update-local-reputation' D* U' d* P% Q
set trade-record-current
" U* @, e, g& R(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : T5 O" Y) I; H% s5 a5 D0 a7 P- Z1 I
]
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set [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 k2 k+ n3 k5 V% X# t t2 |8 H;;将此次交易的记录加入到customer的trade-record-all中+ v" n) q' L4 ?
end3 I' r& S. U$ @8 u
2 ? H# ^' U+ F, w) B! J* _to update-local-reputation
2 H) U/ K# _' U: I0 R- Zset [trade-record-one-len] of myself length [trade-record-one] of myself& |* Y; M+ P! P7 r. ~0 n) H2 k% [5 }
. M. P* i b: y5 ~; g. x
% i, @4 s7 T# U% R8 w;;if [trade-record-one-len] of myself > 3
2 k! C+ }# I1 a( iupdate-neighbor-total! ~2 [) ~5 b n0 l
;;更新邻居节点的数目,在此进行7 A1 d5 M/ V7 J* d
let i 36 q7 r" O$ B/ V4 T
let sum-time 04 ^7 V7 a9 E. n% j4 d7 i
while[i < [trade-record-one-len] of myself]4 l- I5 X# O6 b% T: |
[+ Q& F* [3 v+ Y+ }0 v
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
% g; O! }$ ]0 [" y$ E+ C! ~" l1 R' |set i
# {! J+ Z' {0 N1 O3 H. z% @ [) Q& {( i + 1), m; p( H8 q7 @- z- n
]
t$ c: X$ X1 c9 n/ @, I9 c% C; T* J0 l2 Clet j 3" l3 m n+ |. p- g8 B
let sum-money 0
$ r c9 d+ k$ I3 y/ W4 ]6 wwhile[j < [trade-record-one-len] of myself]9 N' e# l4 x; s. |2 u& T* z
[
& R9 |+ }/ _5 u3 }2 [$ Y2 fset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)1 N6 f7 {, C/ m1 M8 d6 G' ?
set j
0 n! g# l1 }3 H" P5 K( n5 {! F( j + 1)
1 y }8 O! V8 p5 Y]
: w- w! n) e2 I1 X1 B" olet k 3
; G( w x1 g# d/ |& P8 y; v% ilet power 09 ], {: |/ B" h6 n9 D9 F7 f
let local 0
) ` A z; B" Gwhile [k <[trade-record-one-len] of myself]" T; E/ R3 k# s% Y, |# p
[
' l* K- J9 d H% T) A& Iset 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)
* I; B+ b# `1 e6 Pset k (k + 1)1 J3 ^! a( |% u# O( v2 `
]. C2 R" L S( q6 A; ~5 c& h4 S0 _
set [local-reputation] of myself (local)$ x% v; }# h& A0 S& g# n/ B
end; p: G& @0 ~" p; J: ^* o$ U5 `
) D- u) L! X$ D: Q% f3 w1 rto update-neighbor-total6 N* Q5 u7 O ]3 q0 _
7 C1 M+ e! e! F uif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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1 ^7 G' e/ u) e. j# tend
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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。% \& k8 m B4 {3 ]
let l 0: b+ q" K1 S4 ~7 o- I I
while[ l < people ]
& |4 o5 \' u) b;;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)
4 W$ A. `2 P. y9 X4 C. l7 B/ g6 k8 xif (trade-record-one-j-l-len > 3)7 j7 p+ }# N; F c5 z$ D. j
[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
# p/ B ]# I; D5 d% X3 ^6 b( Z; Flet i 3! ^' \) a- T. S( K6 r
let sum-time 0
$ j4 i( P9 ~1 N5 ]while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ). O# T* P# j- i% M8 {7 K: y* w
set i6 I' s, n1 O, P% [8 n' Y
( i + 1)1 A4 _! X7 U3 f' A+ l/ Z! \( `
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let credibility-i-j-l 0
) N) }8 _9 t. E: i( V) F1 ?. u8 P;;i评价(j对jl的评价)/ m* K7 u# R/ r& n" h/ @& t' m+ v
let j 30 [8 U9 T. C; T( z( C! v
let k 4* N( }/ M1 p6 f2 |% ]$ d% f. \5 N, @
while[j < trade-record-one-len]. f7 l# m" h2 W: ^) Q4 W1 x
[
$ ]5 I6 X* B/ d- lwhile [((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
, i2 e/ `0 f# D+ u! V/ oset 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)
6 |! Z. A2 x) B; s- Q. j% J9 U8 S- ^set j
9 N _& I1 v) b& }7 [1 s( j + 1)
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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 Y3 l# d0 d9 C7 f& F' k
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1 o+ A3 @. C: Y" g* }. s, Olet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ A' C$ S* R. T1 M2 Q;;及时更新i对l的评价质量的评价: U/ c$ E. O8 T0 y
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]5 F! v7 [% n2 t I8 _8 O
set l (l + 1)$ y+ R q4 q) g: L2 h
]8 ?; g* E. g% b h' `8 ~
end$ d" Q7 d; I+ \
9 I& w4 k0 Z9 g5 p+ i* G& xto update-credibility-list' i; @$ d: _8 e& {
let i 0
0 ^0 F/ g* m8 uwhile[i < people]
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% _1 k8 b1 g1 E8 x. H+ Ilet j 0
* ~" b3 l( ]6 C1 R8 Tlet note 0) }7 a, Y1 s6 [0 }! q- S! {/ C
let k 0
% r+ U' ?; x9 S;;计作出过评价的邻居节点的数目6 G) [& A, l3 y; _
while[j < people]+ z/ n& V8 a5 }0 P% U
[
' S- Y _. k% v, n% d1 k" h9 ]if (item j( [credibility] of turtle (i + 1)) != -1)& Q7 r; p; j& c+ N
;;判断是否给本turtle的评价质量做出过评价的节点/ e- g3 H( I! Z: G
[set note (note + item j ([credibility]of turtle (i + 1))): P0 l3 I7 {4 Y. B3 _
;;*(exp (-(people - 2)))/(people - 2))]
, h2 Y" P4 b! Mset k (k + 1)' N* S& y" _* R9 C5 k
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set j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)
$ v9 d' i( o' e& y- T1 \7 jset credibility-list (replace-item i credibility-list note)
3 _8 j/ T! O$ o& nset i (i + 1)
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" f/ e2 M& m9 send4 m. D8 b, O& }. E q7 F9 [4 _7 ^
; F% i+ w$ h5 E; cto update-global-reputation-list
5 J- w+ b% z. {: d. }6 F$ xlet j 0
5 r" g7 O' I8 Fwhile[j < people]5 L- i" P: _* x* N
[
9 Z9 ]9 m0 q ^2 P1 Xlet new 0! _/ A) R/ E! m v' N
;;暂存新的一个全局声誉
9 @! g' b; R- k$ S3 r5 h" Dlet i 0& P: _ R0 f8 a& r2 o
let sum-money 0' V. Q1 S0 N, q; Z; p& W
let credibility-money 0+ r, J; s( M& g- H& T+ ?0 g
while [i < people]! u. M+ r/ {6 {/ ~0 N
[
4 ~; W c h; B: |' x. Mset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% s, q5 B3 f6 k
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
2 \; M" g p+ C7 L$ m. _4 Cset i (i + 1)
# [) H5 I' [0 q E]
. n+ G$ a! r7 S9 Y% n# Z3 olet k 0
1 V' w% j# D( i: Olet new1 0
F% H* Q' v$ q7 C O. qwhile [k < people]
9 t* y6 b5 |5 M9 ?[. o, p/ h& F' m2 e7 @* N( I* }
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) V$ P1 l0 f! S4 U6 D7 z5 m( o
set k (k + 1)
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
) |9 b) |. X9 Y! Hset global-reputation-list (replace-item j global-reputation-list new)$ Y' j M O0 [3 D' D/ z" v- d
set j (j + 1)
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! H& g7 Q9 j" g$ c9 D2 @2 Eend# S/ G- G8 m6 m# u
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3 j- c5 z+ Q2 Y) fto get-color
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set color blue% ~/ g% C" ^; c# e& m \
end
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to poll-class
: U4 W- A4 q& r- p' E4 r Y# T5 s) H4 Qend# g& d1 o% }, E: X( q) ]! ^
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to setup-plot12 i( T( z( }. e% V
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set-current-plot "Trends-of-Local-reputation"% @& k3 B$ s/ |
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set-plot-x-range 0 xmax- j$ b4 y+ T6 I3 C/ r) A6 ~
5 ?4 O8 f( i% P5 \ Q) Vset-plot-y-range 0.0 ymax! F! t# p Q( x! q I* o8 Q
end6 F" H) j! B: s
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to setup-plot2$ x3 ]4 Q5 D% V) D( ]
; f6 R0 W" U/ L6 |+ s; i uset-current-plot "Trends-of-global-reputation"7 D v, q) m+ z1 V @! t1 W
6 d9 q9 |( J$ m
set-plot-x-range 0 xmax7 z/ m; w1 v. M4 z
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set-plot-y-range 0.0 ymax
. A% n; d+ [& F. V; D! rend" q: m5 [8 a1 i0 W; ~' o, {
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to setup-plot36 ]: P) g% ~! G5 b2 N- ~$ O& T
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set-current-plot "Trends-of-credibility"8 Y! q' F: g/ W+ y6 U: g& Y' K
j; S! d3 \ e4 d: p2 w
set-plot-x-range 0 xmax
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) {/ h5 L' _) v! b6 gset-plot-y-range 0.0 ymax7 F/ w2 a4 r4 }& o* R' {) _ |
end
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to do-plots
6 U; m8 _* Z R* `. z. Y) d/ G) D/ Lset-current-plot "Trends-of-Local-reputation"
' J* R1 |; |4 |+ g2 h8 `' bset-current-plot-pen "Honest service"/ z- I7 F. Z* [- q' `% B; Z
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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