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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 a9 _( T4 `% n! f: m, ~
globals[- M8 V, |. V( l: N
xmax
2 O/ V1 A, f2 `- `" e$ oymax
3 i# y1 j+ M7 B# X. H% [! oglobal-reputation-list) r6 s- b, j$ _2 y) l/ G
# w( o4 W7 i5 I1 A4 \
;;每一个turtle的全局声誉都存在此LIST中
j5 L* C# {9 c4 ucredibility-list" L% E& T2 {6 U4 e
;;每一个turtle的评价可信度
4 T$ f9 {- F% ], g5 Shonest-service4 ~2 r) U7 _$ K7 o3 a
unhonest-service$ W: i8 c7 _0 `3 z/ {$ m' n! B
oscillation
8 P/ m4 _& I: Q' }rand-dynamic+ E* ~/ d$ q |6 m' @. P# K
]
9 Z" O! x9 R# J7 _+ L0 I9 W& t8 H$ y, _5 d: |+ ~+ o
turtles-own[. o8 E( S: r& ^8 o1 V
trade-record-all
' \7 `, o( \9 e;;a list of lists,由trade-record-one组成1 U& X; }6 Q8 o8 N5 v% z
trade-record-one
' N7 q" `6 Q% Y$ C3 g2 k" S! d+ V# R;;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]]
4 T" q' G( h7 E: N; I8 T7 F: 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]) Y2 O T+ H0 y0 w! L
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$ o: ~: O' ]6 n, g- o) A; q( V
neighbor-total
. W9 M0 |/ N, W* };;记录该turtle的邻居节点的数目 p/ C3 k# Z( [, F6 w& B" ~4 P
trade-time
$ k2 H0 O* P" M; S0 F;;当前发生交易的turtle的交易时间
: w/ F4 P6 M" \) [7 H7 q7 ?" Uappraise-give
, y: W) K0 R% q3 l* G0 Z;;当前发生交易时给出的评价/ v; u! w& M2 I$ Z- W1 Y. p
appraise-receive# e/ ` r7 C1 V: x6 y7 z. x
;;当前发生交易时收到的评价9 C E( d4 h3 d
appraise-time" S1 [2 [0 J2 f8 p! `" c l9 U" A& d
;;当前发生交易时的评价时间8 q0 T' O/ `7 H0 H2 ]( {3 E
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
- O4 t( c. O0 Q6 s% itrade-times-total5 V* w1 \) g" K, |
;;与当前turtle的交易总次数
7 W+ J3 W. b! G7 @) ]trade-money-total+ l8 Q( B& i/ t. Q# Z
;;与当前turtle的交易总金额 X1 y5 e" m0 n0 J X6 L( w, y! R3 \
local-reputation: s9 s8 C/ `4 R! }6 j1 m/ O
global-reputation" j0 C4 W5 g' ]6 L/ o- h/ j
credibility* o) p8 o; ~( L0 ^
;;评价可信度,每次交易后都需要更新
. |& U- U' L3 M2 @# A5 bcredibility-all1 v# q/ \. O { p' P0 l6 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
' F# @. s/ s+ W6 I1 d' E1 T
. [# X: B# z% c;;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/ E5 K' ~, g% o: P* ]
credibility-one8 @+ t/ H9 \- A2 C# t, v# l. 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- ^" O7 C: t/ w4 N
global-proportion0 J: C4 Z4 {6 _: X! Q, ~4 W
customer
D7 M& O. Z2 }2 ~* Ocustomer-no
) s9 @/ ~$ [% u) Z, ?trust-ok
: j' ^0 q3 k, `' F v0 l& V9 |trade-record-one-len;;trade-record-one的长度
0 r' p( g( R5 i. ?6 |]8 i4 U0 N5 A$ ~' D* E
' O: _' L( T ^
;;setup procedure& h: B. K0 Y& f; l$ W
; L. p' t4 m! W1 k+ ito setup
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ca
o6 n A* L# P5 }; q! F- @4 }+ D/ d' b* W, @5 p7 L- L
initialize-settings
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crt people [setup-turtles]
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reset-timer
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4 W0 K4 X: l& h, Ipoll-class9 f1 q5 L) W- s$ r3 L' W0 r
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setup-plots! j, v9 I, i4 t+ T4 i3 K1 h
+ d+ P9 c# y' j
do-plots" }: f* s( g6 O6 P$ H: j9 h
end# g/ q* ?& L9 Q9 e$ T9 Y
' n$ W, q" V+ \; x7 y& o. s, d, q" Vto initialize-settings7 H+ }/ s% @; S5 G( f9 b
* D+ [* i2 I! j* Y+ Z) ^set global-reputation-list []
L# I+ W; d8 i# m: Q" e& E
4 Q( X" @) I# N4 C6 aset credibility-list n-values people [0.5]9 y- I5 ?, L* r8 E
) x) ?7 X# W, m( e+ A4 yset honest-service 0$ |+ c8 U/ n; u% a6 j' ]1 \
7 l) M' R, @* {: J
set unhonest-service 0
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set oscillation 0
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set rand-dynamic 0
% l/ J+ V8 f2 j! S7 d" _end3 v, B3 s- Y3 V: e0 o$ C
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to setup-turtles
7 ]* I4 H- o+ d! Q( F6 Yset shape "person"
8 y E1 s# ?, G/ j# N( dsetxy random-xcor random-ycor% |; B' [2 V3 G% J# C
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)] % y* T0 { B7 Y, A) U& g! M1 @4 t
, [3 k! [. u8 A6 k: F
set trade-record-current []
( K8 v$ N8 ^. q) Z) \set credibility-receive []
% E4 M2 O# C( ]! F" h5 o. Iset local-reputation 0.5# f" ^* V6 i+ y* {+ R) w: B" Y) X
set neighbor-total 00 G; g w. D$ S$ O* F& k' H
set trade-times-total 0
) v& L/ I y3 z" t! c% o {set trade-money-total 0- i: P! X/ y- q, Y2 J
set customer nobody
7 r+ |* l# K H' ]set credibility-all n-values people [creat-credibility]! _1 h) [- ?& |) ?( M
set credibility n-values people [-1]
. Q* B O9 i: I% e/ G4 W, ~& _& xget-color
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end L* q# |$ R! F+ y6 d
- h }3 M3 |, ], R; {$ L& gto-report creat-credibility
3 g, w& B* R3 \4 |report n-values people [0.5]
0 y7 _& j' ~2 ?; A, ?5 [end
$ _2 a4 [6 w- h4 f+ F& m! H: E
9 [$ h7 z+ ~3 X' f* I. `to setup-plots9 g( s0 M4 [3 E1 S5 n+ C# X& A* S9 G
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set xmax 30
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set ymax 1.0( j; O' a; s- Z- J
. `% x. k }: X2 ~! fclear-all-plots
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# N) b' L, H/ L( B0 i' T# n2 J$ Dsetup-plot1
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4 w: Y1 |4 Z1 R6 Nsetup-plot2
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setup-plot3
# q+ u; Q' {6 R' h8 P$ `0 d$ {3 Jend2 m% Q) Y% u% Y9 e7 S" t
+ ~6 _1 W1 R9 j;;run time procedures
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to go
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ask turtles [do-business]
" ~/ z( w) c. B- Aend: j W; C. _% g; j& S- V% U6 \( o: H
O9 V* X7 C8 cto do-business
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rt random 360
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8 p* V1 \- h, C3 A4 M' q, A. O1 Rfd 1, c9 I, l. w) P, S
; H Q1 J4 x. q5 nifelse(other turtles-here != nobody)[0 _* ^4 B( _! s0 g, ]
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set customer one-of other turtles-here, p$ U( Y% S* z; |
& e( v& Z/ H/ M: h' k/ ~7 {" e;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)) J% h( z [2 U
[trade-record-all]of self3 u6 d! R3 ~% w$ V5 q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self) J, a/ @0 V5 }
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set [trade-record-one] of customer item (([who] of self) - 1)- }! l0 H3 L& ]* d; e( y
[trade-record-all]of customer
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+ X- {. W- x; y) L* V2 o1 y+ fset [trade-record-one-len] of self length [trade-record-one] of self/ [# b/ ^, R( p" `3 h7 A+ e
7 {0 E$ S9 i2 j
set trade-record-current( list (timer) (random money-upper-limit))- w, s1 {! B) z, `: `( n& s
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ask self [do-trust]5 z5 r( U* k( @) R
;;先求i对j的信任度' u3 }$ O& p& @6 _ `/ Z
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if ([trust-ok] of self)
/ A' r- R# U" R, l$ D6 b1 t. ~;;根据i对j的信任度来决定是否与j进行交易[$ m" v1 M/ T) f8 R8 G
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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$ z$ }: U2 ^( {% H3 j$ @, Z1 O& }" d2 U5 s8 q- P
do-trade+ |& N0 n# a# w5 }' G
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update-credibility-ijl
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# M( V2 s4 V2 h" j" _1 M/ W3 B) Supdate-credibility-list; |0 l: O, ?% V- j. f
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: h! d* x. M1 z9 P1 S+ eupdate-global-reputation-list
+ M/ z, K* l# F, m" Q* I% ~* N4 |4 V$ ?; P' W: ]
poll-class+ y3 b! ?! E* v+ D4 _
0 W; d+ ^9 k2 z) ^. p
get-color
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$ h6 B7 z+ D% O5 h( y* j" Y
;;如果所得的信任度满足条件,则进行交易) M; y; L8 r$ C% K9 }4 k
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[( r) w7 K5 b# x; Q* ~2 C" z5 M
+ G0 u3 `/ w g4 @# L2 \% Mrt random 360
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fd 1, u' l) {$ c- h5 V
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( n; C( `; K/ i+ [* S, w. j. Bend1 H; D. D" D: S" X
$ r2 Q- ]: a' d' p6 J/ xto do-trust ! P- G8 G$ p3 D. n }
set trust-ok False. f" O3 `- F+ {) M# H* a
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let max-trade-times 0
' @( s! B9 I# n2 C( l, I [8 e* ?foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
9 h. |6 Q' L' o' B! J0 Clet max-trade-money 0
1 b0 m5 i0 o: n, M/ |6 Dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 U0 _3 P( h+ K0 @
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" \' i9 C, H1 q3 X% G$ K2 y) [6 N+ S
! }- o; K a3 N& \, b5 K, aget-global-proportion9 S' P' k1 V5 ]! Y1 G- e
let trust-value/ K5 x O/ M7 T1 ?- G- V |8 s
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)% l4 L/ c* W" u; Q& O; q6 F1 B; \
if(trust-value > trade-trust-value)
: @; t% T& N8 p# @ { h! W[set trust-ok true], s0 ~' R& o8 |+ w1 C1 \7 D
end' S' h8 B! `$ Z# H) O$ h
6 n! V$ p/ Y5 R7 B. j
to get-global-proportion' p9 [- {! `' O; ~
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
|% Y/ J2 v* M$ Y[set global-proportion 0]
* Y/ E+ t5 l" U8 M[let i 0( p( B5 T* e4 W3 @2 E! r1 U3 Z( ~
let sum-money 0! H8 u) N$ p# u( M
while[ i < people]+ i) T- M$ d b. F5 e
[: Q: E9 C" Y) {" M, g% |% L
if( length (item i5 b ]$ m/ d3 s; Q; A" v- m5 s
[trade-record-all] of customer) > 3 )
0 a% I [& d( ~ _[
0 N* {& x0 c$ K' Lset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
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]5 {/ x" x& J Q, n( |6 |
let j 0. ?( I7 u7 {" e6 s" [
let note 01 i, W5 |% w1 a. v! Z
while[ j < people]9 J% V% f% ~6 P1 S
[0 t9 T; `& I, E
if( length (item i
! G. W5 R7 r. _$ b[trade-record-all] of customer) > 3 ) M0 f& m; X- y8 A; Z8 N
[5 y/ s3 l1 v7 y! M/ u* I' k
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)2 o' o/ B/ g4 N! G
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
U3 F% [0 j& ~- \! J8 k[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& Z. N8 n q4 v$ |3 ?6 `
]
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( Z8 y& I! U' ~* @# G* ]2 Tset global-proportion note8 j3 q; q* y4 E
] ~( ~+ ~. D7 Z/ Y
end0 B" Y* J6 H/ k) c
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to do-trade
$ x, E! Q3 r4 w5 X( n;;这个过程实际上是给双方作出评价的过程7 U7 @3 l5 e+ d3 {. h- F+ c
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( G9 k" \" G* @) S; R
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价4 M2 U# G. x9 Y0 }( A
set trade-record-current lput(timer) trade-record-current7 d, X1 l% ~: i; U
;;评价时间, Q3 w% C' C S* W6 b; F+ i0 ?* _
ask myself [6 r5 ]$ A8 |% E: c# F
update-local-reputation$ v' g" R7 ~& g3 |0 L' E
set trade-record-current lput([local-reputation] of myself) trade-record-current
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! h. [: H7 C& F/ N# L3 S: i: W; Iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, u1 _, Y6 b" _$ y h;;将此次交易的记录加入到trade-record-one中
# a' O* U$ h7 s' l4 D0 `1 Jset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( \$ t" s' J, p0 V( W- R9 e" R
let note (item 2 trade-record-current )+ k3 {3 I4 Q) ~
set trade-record-current" c' m( T$ s1 C" Z3 c& \
(replace-item 2 trade-record-current (item 3 trade-record-current))
# F `/ v/ _: k- y) ]: l' tset trade-record-current
# ?2 n4 P! h/ K& @* H8 q ?(replace-item 3 trade-record-current note)
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2 C3 Q+ s# ~7 r
# o8 F( c( C* t$ _! lask customer [: @3 o4 g4 {4 @. T! o
update-local-reputation
D" {2 w) z4 W2 v$ F1 B7 tset trade-record-current+ w: Q2 ~/ h; M; O1 w
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
2 h P# x% r4 N3 z0 h7 A]3 ^( ]& }- Y7 l9 b! c# S
) d$ c0 h0 `( l, s7 m: S) ]
$ @8 y# m1 h4 ~/ c4 Kset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 k7 T% O( s+ A
8 \* S5 ^$ d3 p. |: g2 R7 I; J: D8 k! bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))- h+ R4 n7 m' n+ r" r# k
;;将此次交易的记录加入到customer的trade-record-all中3 v! y8 Q# D% K' C( Y
end
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to update-local-reputation3 t- j" ~0 @! n- [$ |* [1 D# `# U+ ^
set [trade-record-one-len] of myself length [trade-record-one] of myself, P: j5 z4 A! O0 A, r2 S4 h( R# D! k
4 K" w0 J: F8 _( G$ D& y0 H, O
) u$ K0 {3 j8 W% T f4 b9 {;;if [trade-record-one-len] of myself > 3 ' U& W6 Z4 W! z
update-neighbor-total
% n+ G; U# Y! k" S3 r% I;;更新邻居节点的数目,在此进行8 F5 ]7 o$ S6 F& R; d2 D
let i 3
* Z; X( N" t' E. S- n/ X! M7 b4 N) q% Zlet sum-time 0
9 r9 m& Q. W6 {2 G0 Ewhile[i < [trade-record-one-len] of myself]& B( n. @( J3 C
[
- r5 T9 ^, G' p& U5 [6 J; `4 wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) a8 ^, ]* e: T( \set i, O g8 n+ R' Y# S
( i + 1)
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let j 32 y$ e. r- @. N8 B+ g) {: o
let sum-money 01 c9 g/ f% r1 g3 W7 W6 Z
while[j < [trade-record-one-len] of myself]
' E' n) D4 d* u/ ~[
' z& e+ U& c* C* u2 W: S! Aset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
! C6 P/ X$ {' oset j
/ u* `" b# @- n0 G! m( j + 1)
( Y+ p6 u5 h0 z1 o1 w! B# f]
8 n/ G' p# o& u0 M; |, E/ S! ~let k 3! l% e- E4 [" ~$ @5 E8 u& f
let power 0
2 O* d; k+ @0 O ?% R% l. `let local 0
4 u) h) H% G' T& f" V, j/ v$ Kwhile [k <[trade-record-one-len] of myself]% i) m% y, d6 h
[9 ]- w# Z9 V5 V4 S$ n
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)
) ~0 |. y1 w' m' }" kset k (k + 1)
8 ?9 P B! A8 a' o! P4 n]
\8 M5 i; P( L7 a, e. bset [local-reputation] of myself (local)" Z3 n/ Y* @6 b5 ]8 M
end1 ^, J7 L6 n- Z2 q# t
' F' q$ w+ N2 x, r2 {7 oto update-neighbor-total
* d3 z3 O, l5 A$ Z9 E2 x% n. A6 `' ~3 f) b( Y& h8 t# g* Q i
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]- M. S% S' n4 f8 l# }1 y1 Z7 S! s
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9 P \, I. M% _0 x9 Vend
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/ {5 R4 B; P2 Z$ ]1 R* f, O! Wto 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。; k! [- \# d# ?9 h9 J- o$ O# ~
let l 0+ D) C7 C+ ]7 S4 f
while[ l < people ]
" x. G. d% W; H6 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
% _, X2 D( r' X[4 m8 ]" Q; ]3 m, Z
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
* ~& y9 D% R) x2 L& k. M- T$ Bif (trade-record-one-j-l-len > 3)
9 m# o. l" o4 `" G/ \* p; n9 f3 u[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-one7 H0 y; X/ x" K
let i 3
0 H2 K1 h% i8 ^7 k9 ^let sum-time 0
* E7 t+ j) e9 K& B) o: I$ }while[i < trade-record-one-len]6 V3 T: I' n/ s5 g. J+ ]9 F0 I
[1 f; D0 q' m8 r& v' f- Q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )+ k/ j- e' s# ]
set i/ j+ X6 W/ ~1 P' q# P: Z8 \. l
( i + 1)/ Z+ j% I6 ~& ?$ X5 ?- d. y
]
! I4 g, c; i; j( Olet credibility-i-j-l 0- j4 f M. i: }0 X# ?
;;i评价(j对jl的评价)
8 T! E/ k) e& Clet j 3
5 m# @2 l& J+ [8 X' d5 U, Llet k 4) z1 w$ g9 H" V( F
while[j < trade-record-one-len]
) H3 `4 @1 [) y& C5 s/ _: Q8 c[
; G2 K# I: g7 i: z9 ~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
& X4 A) w0 z: [" x7 j- xset 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); E/ X0 `( S5 C9 F: e8 i! [& e
set j
" W i4 Y8 \. i. _% C7 C( j + 1), v* T. }# t- Y7 t" e5 Q% W
]
9 h. r& D- p3 K" P0 v, rset [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 ))+ A& i9 N5 a( R6 v
3 U1 k1 g2 y# H, Y
/ O* D9 {. l q; u( Y; plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
1 y3 }6 h, p4 x6 v;;及时更新i对l的评价质量的评价
: E8 v; ^1 W3 tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
% W7 f+ Z9 `/ V3 o* H8 @! pset l (l + 1)
- b0 ^+ ?% r @$ o) h1 g8 q]
+ N! I3 ^! j1 J2 ]2 Xend. T; `4 A; P( f4 n2 B2 ?& b
; e2 y. q" V! Y+ ^/ g/ x ], Ito update-credibility-list& A' O) V; X# V% X( k
let i 0
9 q4 V0 A# @; V7 v/ u/ }# o8 @' nwhile[i < people]6 U8 \; N& U+ d' d
[
. m3 W8 t; d- t$ llet j 0
3 ]; G- e/ \5 i; y7 `: Plet note 0* m/ @) S, O) V7 I" D
let k 0
! a6 ?- ~# C8 i' g- y: e;;计作出过评价的邻居节点的数目 l4 {, |1 d2 Y j
while[j < people]/ ~; l6 o( i2 ^1 @
[& C( U6 @$ m+ {% n9 o# ^
if (item j( [credibility] of turtle (i + 1)) != -1)
9 ~7 u) _8 V- T7 @$ ^2 k+ B" n;;判断是否给本turtle的评价质量做出过评价的节点
* x, F0 o6 y; g" K2 ?+ h[set note (note + item j ([credibility]of turtle (i + 1)))6 |2 m) G+ i: Z1 I4 B) R+ a
;;*(exp (-(people - 2)))/(people - 2))]$ L% r/ n% I7 u& r( a, v
set k (k + 1)4 Z# K4 ?# _/ D; A
]) [9 |) m* k. ~
set j (j + 1)
$ M" k5 w. z- a- t8 B]
! e: M" q' b, O- Pset note (note *(exp (- (1 / k)))/ k)6 \2 V* r" {. A% ~# h! d
set credibility-list (replace-item i credibility-list note)
7 S0 K: G' }/ G+ s' I( Jset i (i + 1)& U) T& v6 Z$ R% N. S
]6 ~( q% [( r3 o
end8 `: Q. @7 v$ Q; e1 v/ X
' p' N0 R1 i5 d4 | c8 F; n j& M, o
to update-global-reputation-list
: F6 U8 p( E% ]let j 0* }# g* x) S: W
while[j < people]
9 U7 t0 I$ [) g) O[" [: q% `9 Y( P+ v* s8 F
let new 0% t+ i0 a+ Z- y: @" v% `
;;暂存新的一个全局声誉
3 j! b8 K0 z( D- nlet i 0. O/ a0 M" ?4 h% N6 c
let sum-money 0) l. t' I) ]7 y S. p, U
let credibility-money 00 l/ B3 j1 W0 u' D! B" {
while [i < people]$ O1 Z+ `" `3 q$ t o; m6 X
[: E( g% M! c" P8 u7 o. N
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' S4 C1 h( }+ Mset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& \( A5 K) d) g% p! R! Y, m
set i (i + 1) ]4 I4 p# j w1 o) [8 Z$ H9 z
]
( t5 O" k# O% i. x) J+ ]let k 0$ d' x, M: Z- P6 k* Z
let new1 0' ?7 L0 V" q' N7 l, @
while [k < people]
# D# e. ?( d2 }- r[
) b- a9 I- h: Q! a( O0 bset 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)
- Y/ |/ |1 o3 T; b" oset k (k + 1)
$ G8 B& j0 J: E: j]
" x9 o4 ?. b3 r8 c2 p' |, ?& `set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) $ F+ n) e; P" I5 \5 u0 |
set global-reputation-list (replace-item j global-reputation-list new)
: ^+ Z! s5 ^0 }) y9 z7 o) k8 o Kset j (j + 1)
$ w: H' C3 E6 N1 @5 a]
/ H" y% m" e1 g5 [end
: s% @9 ^0 [( \ X
3 G$ O+ l9 m* T' J8 c s0 i( h
! A F8 p; B; f5 ]$ w U* i' X5 [9 e
to get-color, U: V9 n6 `# h8 _
2 U% _2 `; G" R/ E! s$ a1 |& p/ \
set color blue
% v0 v" k" l$ U5 r; ?, Cend
- b* }& D/ x# j1 O* \, s) H; K
, q* u3 ?' I) Tto poll-class6 b, x4 [$ g( ?+ C% J5 O
end
. w1 l. K" y+ j2 F* r# u
0 g0 u0 Y: v; D7 M9 e: Q& y( sto setup-plot1, n3 P8 f4 N6 j( O- T
: {: {" N5 H* _set-current-plot "Trends-of-Local-reputation"% T" f6 M' g' ~) H: m j
$ C' h5 I. i4 W: E
set-plot-x-range 0 xmax
' `' O3 t0 P. @3 @* X- @$ ~* T7 v4 c& N
set-plot-y-range 0.0 ymax
, L8 k, N' x7 m, j$ q& Q8 r0 Send
/ e) O# V" D3 g( ?( Q* \0 x) x2 l+ H& J, g+ X P! X% |
to setup-plot2, d0 }, u& g+ U: D5 k
5 ` t* k. n! M0 D! Sset-current-plot "Trends-of-global-reputation"
8 T- f- M6 r; A* Z) h2 d5 d
8 d9 X: l6 `- `& q% mset-plot-x-range 0 xmax! D6 ^: G9 v2 W+ T
. z& d7 J4 t! `set-plot-y-range 0.0 ymax
) g r1 h, @. y, ?$ [end
# R2 {1 e, e" `; S. Y/ M9 l! ?5 S. M2 c% `( x% |( j" b1 ?
to setup-plot3
' C$ i. q; E( w+ Y" r& o( P9 y6 ~9 }4 K
6 E: F+ y$ g4 Dset-current-plot "Trends-of-credibility"
% ?+ H K# m9 }8 a9 i" m* v |3 f$ ^6 W2 s r0 q5 d6 E4 t: G3 B
set-plot-x-range 0 xmax E4 I+ T0 n F9 R; ^* D6 i; \0 I4 d
. X! r+ d( o: L: ~6 |$ ^) _- kset-plot-y-range 0.0 ymax
6 ]& F$ x9 r0 Y: m. S- Z \% a; J' W7 Cend) ~' e f3 R; z% P" X3 k0 m
, e9 z3 W9 |' B- q
to do-plots& _+ p2 l! M. {8 ], ?$ c' [
set-current-plot "Trends-of-Local-reputation"
8 R8 @$ E8 ^' A9 V) Lset-current-plot-pen "Honest service"6 t7 Y. b4 |, m7 {/ A+ B! D
end
0 w0 q( G9 a g: H f( h8 E/ C" d2 w9 U* P4 B8 y# r) g
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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