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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; m6 Y4 ~: S; E: ?% x9 E
globals[, `! \0 A& Y8 [1 p' ^# Q% v% `( L0 z
xmax
: A) _3 g; U0 {; ~ymax" ?8 @$ |1 j1 u. h
global-reputation-list. d' g6 j) ?( R7 d [0 \/ K4 t
9 c3 G8 b. y; R;;每一个turtle的全局声誉都存在此LIST中. n5 Z! w; n/ t" O( ~. L
credibility-list
# J B; l) R" K! ?0 n;;每一个turtle的评价可信度
" \ E) I# F/ P) K7 hhonest-service3 }/ t1 P6 P" d0 y) I" x% n6 v7 z
unhonest-service4 ^3 X) S, W" R$ o
oscillation
2 ^! w8 A- |# L5 {rand-dynamic) \: C; f9 ]6 n, G9 i j, k
]& `7 z0 u* l1 h! y# ?; a
+ p2 A! ]' O+ L* O; `! \turtles-own[
# P9 b3 r8 W+ ?+ btrade-record-all& d& B8 d8 ^- E! y0 I" Q6 H
;;a list of lists,由trade-record-one组成( v2 o; w0 | K' e
trade-record-one4 n7 |, ]- E: {! S
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: B9 U4 t3 h/ h6 q- n. L
% a6 u% [1 H7 A; r;;[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 j! U: S- {0 I/ ~' U( ctrade-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]9 a4 r b, x# @, f. h
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* ~6 I4 J! M2 t c/ T- _
neighbor-total
5 n/ @2 ~* X) i9 _;;记录该turtle的邻居节点的数目
' S* f1 {. n# g# @: H8 d8 Otrade-time, o, d$ l9 @, P
;;当前发生交易的turtle的交易时间) ^7 Z7 B ]# {9 f$ `$ a2 a
appraise-give% t) A. S2 g* e) D5 s
;;当前发生交易时给出的评价, @9 D- D R/ r/ {1 A
appraise-receive
# A2 N; h4 J5 @( D;;当前发生交易时收到的评价
# n+ Z, J5 T: m1 fappraise-time
! @3 ^/ U) r0 h8 [& I;;当前发生交易时的评价时间
; J$ E$ Y8 i% z. d4 Blocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
K, l- \* V+ G& rtrade-times-total
. m7 R- w3 x, }: _: n;;与当前turtle的交易总次数
; k6 T3 ?$ C. b, L# etrade-money-total4 r, ?' ^7 d, Z# b! E" _% C8 H
;;与当前turtle的交易总金额
' @; P% ]$ j7 W* u8 Wlocal-reputation
( N1 z4 O( W* E3 \global-reputation
* T6 ^% ?5 d- G3 O, `! J; ?credibility2 a* b4 d1 I+ h% X- [6 G: p0 W$ T
;;评价可信度,每次交易后都需要更新/ I" H4 {. {+ I
credibility-all5 S, D* ^7 r2 S) R s# I
;;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' V3 y% f8 Z; e( v( ~/ z
; v0 U2 k W) ]0 |3 T- j, ~- H;;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0.57 X1 Y# ~# P5 ]0 _9 |- G
credibility-one: Z% X% K2 _3 {5 W0 C0 d
;;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
1 [" q( A J1 L. s: Lglobal-proportion
" o {$ R. k6 f- W" j& g: d l% Scustomer* E; n& w0 F$ h! P
customer-no& r/ K- ^; g( y' I9 N
trust-ok F. T: O' f( P* R* o
trade-record-one-len;;trade-record-one的长度( w9 Y8 A) e, }0 ]
]2 P% O5 c: Q4 r& {& I# c
' a2 d' z5 E( i% A5 h; ~
;;setup procedure
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to setup* ], y' P( s# h6 o
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ca
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initialize-settings$ H4 V p4 ]6 ?" u
5 P4 J9 H' s7 [# a4 b: ~crt people [setup-turtles]
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reset-timer! W/ ~( \: }" T0 ~' c
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poll-class: V# t7 a d B7 o2 I; y6 E) V
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setup-plots3 e- b9 _# B$ d- G/ T! A1 c
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do-plots8 I! ~7 T! I/ \& G# u$ c
end$ w' x6 ?! i8 L7 e9 t( p5 d, K
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to initialize-settings
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set global-reputation-list []
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5 h9 g. j8 n% Sset credibility-list n-values people [0.5]
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$ I: d. Q: `& E0 }& d( bset honest-service 0! `" v. \/ Z& ]+ L
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set unhonest-service 0
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set oscillation 01 |5 `5 e7 ]+ O% n
+ M/ e. k$ [2 }$ z: Y
set rand-dynamic 0
6 @3 w( `& h6 t! M* |9 Pend
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to setup-turtles
. n; P: {8 J, H2 g! M, Xset shape "person"
$ S9 a4 T0 b" C$ W! tsetxy random-xcor random-ycor
9 x4 I5 \( y' N# F) F1 a4 iset trade-record-one []4 w" T5 N' ]+ l& i2 K: H& S1 R l
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set trade-record-all n-values people [(list (? + 1) 0 0)] ! d# e' b# {! j8 A. H2 ?7 y2 X% p
1 e2 N3 x2 ?2 P4 l" h" q
set trade-record-current []6 h, P7 I' u* U
set credibility-receive []
$ [9 P# P0 C# }- Aset local-reputation 0.5& y* l, ?6 z* L6 |7 e/ x( Z
set neighbor-total 0 m- L6 g' r( H9 }/ g, S8 P
set trade-times-total 0
2 p% `0 ]' I, ~- Zset trade-money-total 0- F9 W6 x- B T! a# t) _+ X2 P4 K
set customer nobody
) i4 {. w' H5 h1 ^* W7 Wset credibility-all n-values people [creat-credibility]
0 G" x+ ]( {- B% K' |$ S+ d! nset credibility n-values people [-1]7 K5 y1 i8 |5 E& d; w
get-color, E* E& d- r) d# k7 P5 g. |, R
K Q( ~* r$ ~# }% a+ y9 L
end
* E- a, f8 o- D- }
% G' X; ~8 b, U$ _: p$ pto-report creat-credibility
8 v& D$ D% F# \- P2 x- s* e- mreport n-values people [0.5]* J' ^6 v* I" e, n) W
end. k' @8 c. r7 H1 y
6 }+ j% C' J, v% {- @- U7 n" I
to setup-plots
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set xmax 30
+ H5 e# v" R. [8 \/ }' _! v) R& o. c, _" |' s' u
set ymax 1.07 d8 |( V2 e% H# H& Q+ [
4 ^8 d' ^; C2 a0 s, X$ r
clear-all-plots
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setup-plot19 s9 w/ j7 w! u! K5 C" Z
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setup-plot24 ~0 a4 [" u, ~% T0 j9 ]6 q
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setup-plot3
& e3 U; R% P+ c0 b$ I) g3 ]1 Uend
% `! x9 i+ ]: @7 y* E
4 ~, G2 v. I$ ?, ~( Y# Z;;run time procedures8 V" Q- F9 M9 W7 k$ n7 F% H
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to go0 l4 @4 O6 k& _2 U
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ask turtles [do-business]
H2 L- c1 Y1 W) E: lend
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8 |$ P6 ~# j9 B* O' Ito do-business # Q i( ]4 a- j7 C
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; h5 Q/ r2 I- Y9 u! q7 drt random 360
# M6 M$ A) ?, }& s$ J1 W* p$ Q1 o. S2 b( J: g U
fd 1
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ifelse(other turtles-here != nobody)[
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; |( E. p( ~% @7 k( lset customer one-of other turtles-here
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0 K* }1 U/ p. x# `;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1), J. D- O% |! Q/ ^6 I
[trade-record-all]of self' s2 u f G$ I# G0 @
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
& C7 i$ \, }5 b& j+ s
& X6 ~" I3 n5 S5 g* Rset [trade-record-one] of customer item (([who] of self) - 1)
* ^7 [. K. }' U) i8 c! ^[trade-record-all]of customer2 q7 Y% r6 i2 z N g% \
# ~# g$ M8 @5 Uset [trade-record-one-len] of self length [trade-record-one] of self
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" ?5 F/ k2 Y) x' Kset trade-record-current( list (timer) (random money-upper-limit))* Q. J7 J, N5 E. o* u' b
2 j/ g+ h, s/ z0 D# z5 {
ask self [do-trust]
& w# v3 s) S: ]* Q# H;;先求i对j的信任度
- e1 r3 h* _. e" {% C' l7 p1 [! P5 I
: V9 |: Y; X t& Aif ([trust-ok] of self)
% o9 m4 E9 Z4 }; G9 G8 z' V+ E! w;;根据i对j的信任度来决定是否与j进行交易[
$ f1 G* Y' ]( H, dask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
" @ l- L8 V; o- D+ X& y8 ?
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, v; s; E0 H# k( D4 Udo-trade; ]7 t' B' |! C7 |& T* e H
( w2 l3 T- y" q5 uupdate-credibility-ijl8 `; \) Q1 Q, o' f b
6 `' ~& E( h+ C2 v$ F. e- Mupdate-credibility-list4 o1 U2 [6 N" l
+ m+ i8 Y. z! ?, \6 h
7 ^, ~" H; Z0 w# W4 h) g! Cupdate-global-reputation-list
& \- R w/ T; X% w
& _, U" k' t! }0 _# Q/ Upoll-class
3 q8 O& O. V, \8 k. T# S* J! ^4 t/ s
5 F& U! q. e3 R' Zget-color
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]]
1 R- o7 ]4 F# S
: G$ Z" Y) w' r8 {;;如果所得的信任度满足条件,则进行交易
" ]' Z* T$ z7 {
" p" h# Q. m) U! x; N# N[
1 |- E" b# o4 i& j
7 u' a$ m7 m z, Y0 Srt random 360
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, H L; H2 [6 V4 I( Wfd 1
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6 }" P. `$ o$ }
end
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% C- _8 P$ ^& L; Y5 z7 ^to do-trust
/ f, R6 C' y5 v. c/ O- J! Cset trust-ok False x+ x# L7 \) z8 E: V7 Q3 l) q
% V# r. T! H" r( P, v
2 b% a t7 M. \" o& [let max-trade-times 0
+ v2 v6 C2 v2 X/ v: Qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 }! I! G" l3 G
let max-trade-money 0
) D, v2 _6 g, |( p7 Cforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 o1 |% z5 E7 {) S, C
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
- L4 X, b* G$ r8 [; }$ |! e
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get-global-proportion
+ U. k( u' R8 Q4 A0 E5 [9 Mlet trust-value$ ~! E* q5 F b, M. h7 x
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 w" Z1 S0 E R# H* X9 q$ B
if(trust-value > trade-trust-value)
% `8 }. x5 T, V5 W) S[set trust-ok true]8 B$ y' x! N5 i7 S F9 f5 n0 R& r0 y
end
# W7 Z+ t( Q$ t* j' O3 `
1 |+ L, f) i( @2 Y2 _, J" Tto get-global-proportion5 z2 V1 J4 [& e4 s' W2 [9 ]0 r
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3), s: `! j U# a8 v% M: }* s
[set global-proportion 0]) @ f0 b& N9 K, E$ H
[let i 0
$ r# z: \0 t, X; U, `! k7 hlet sum-money 0* `: X: ?+ S" x: f+ ~
while[ i < people]8 [ b( l* A4 e
[/ t1 m; Y l+ }+ H0 J
if( length (item i- U9 j- A G) f
[trade-record-all] of customer) > 3 )
( \4 I- f+ A/ F Q4 w( H[
) z4 u5 Q; X# _4 A6 E3 |4 D4 A! vset sum-money (sum-money + item 2(item i [trade-record-all] of myself))" J2 z# m0 v; C- [" P
]* X, Q: J& D; ^
]
0 d, v1 b1 P1 B* ]: ~( P) Qlet j 01 \8 r2 w" b" N! c4 ~. e$ B! Y! K- t
let note 0
9 x# S7 W0 f6 J# O/ r$ dwhile[ j < people]! \- n5 p9 t0 A, v5 S# y- q, x
[0 w3 t! Y/ J9 e1 e2 A; W
if( length (item i1 P& l* |6 ~6 X; s3 i8 _( V
[trade-record-all] of customer) > 3 )
0 S; [3 b0 `7 R- j7 _[' P+ m0 z/ n: ? v4 P% \0 p$ ]0 G! H
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
: k5 Y- j7 ?+ k[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
$ [: I% B, Y( `9 B9 H: w+ |+ E[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 B5 u4 v# ]" I4 H7 s$ p( z6 `]
4 C1 E) m8 T2 |6 i) x]! ]# \# f9 o: s
set global-proportion note; S& N. C9 c( K0 H: v+ S
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end/ W# V- u! C8 M8 G8 Z e9 q0 v
2 F+ \, H" g% b0 s6 sto do-trade
* P7 \ e9 d3 {" L;;这个过程实际上是给双方作出评价的过程
! Q8 I; _ K. Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% H" r6 d+ e! @6 X- _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
& q8 L) {1 V7 P6 Wset trade-record-current lput(timer) trade-record-current
& `2 P- j$ x6 T;;评价时间* _! S. o# T( |8 E
ask myself [/ n/ D# h" T, ^" q$ E M
update-local-reputation
& V. \( n1 z/ ?* d; dset trade-record-current lput([local-reputation] of myself) trade-record-current
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set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself( ?9 W3 G& o9 W4 ~& G; A* H$ k. u2 i
;;将此次交易的记录加入到trade-record-one中
/ t4 ^1 p, {8 V9 N4 N) wset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), P( V6 w! J. y1 ?; Q, b
let note (item 2 trade-record-current )
% T2 b4 R6 V: L9 [set trade-record-current
/ @6 w' a; k0 \, o: N. F" C(replace-item 2 trade-record-current (item 3 trade-record-current))
) B, O% o$ _/ V! R+ Pset trade-record-current! V# q1 U5 m/ r i! O
(replace-item 3 trade-record-current note)
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0 z, t/ e- [) F. k$ I4 kask customer [4 k0 P. C5 b/ Y% v! w+ L
update-local-reputation
3 H" p) [1 J6 kset trade-record-current: @( T5 l8 S4 G( u+ v' V9 h
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% A# W( I" @0 Q- M# r' }]) C4 b7 T9 A' v( s
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. J2 J' \& A0 s) n. }set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 p3 i& V9 D8 e
' B( ~- Y. o5 T. g; Nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
6 s1 t: [( t7 Z$ t* X+ ~;;将此次交易的记录加入到customer的trade-record-all中
& s& o- z W& l# y( N/ r; a- R2 v, o$ |end
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to update-local-reputation
& q7 a, @6 r2 X; x- u7 @+ lset [trade-record-one-len] of myself length [trade-record-one] of myself& X6 N, ?2 |# k! U3 a
j) ]* u1 u7 j$ w' F( r$ R* ]% Y0 h4 K6 m' B/ K( w2 L* a( Z
;;if [trade-record-one-len] of myself > 3 2 f$ p7 Q' g4 ^/ s% I- u' X4 O* N- d
update-neighbor-total( [5 O4 l* H( P: i" R: q
;;更新邻居节点的数目,在此进行
: ~" P$ D9 w g5 M8 w6 Glet i 3
P |; c' p5 r1 y9 |let sum-time 0
3 U2 N1 s w: R' }4 Fwhile[i < [trade-record-one-len] of myself]
3 w6 a/ N0 B! s( b& g0 T6 I[
- `" v( K( }, N- {+ a/ Kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )* U' E5 {/ d* _6 m6 B3 u ?& r$ ^+ h
set i; V9 r X) U8 w7 _; L
( i + 1)
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* }, ?' V) j5 o% Z) ylet j 36 G+ X- L! J. U# @; w$ E- s- s
let sum-money 0. a) ]' ?4 i- b1 `4 I3 o# n! l
while[j < [trade-record-one-len] of myself]
^$ F) m5 ?. l7 [ C8 `6 K[& R3 q: N7 I: D
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)
2 [( q- X3 o' Z/ i7 t: dset j
" J& d) o4 K' y; l# X# O( j + 1)
* ^! T. t9 f" U3 A6 l; I]% E8 N. C5 q# g3 [9 k
let k 3
: X8 L& B8 l1 E& J. s1 Qlet power 0
, v4 M& |" x+ l6 i8 }let local 05 S6 |/ S8 W* N9 {* b" R: ^- ]
while [k <[trade-record-one-len] of myself] w2 M2 N8 Y6 s% d. t5 F, ^- z
[0 U& G& I+ {) N+ F: S( }
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)
: t# U4 X9 @! s; Rset k (k + 1)
1 |3 y9 ?3 L1 n0 m]+ ~1 t4 K4 m( D
set [local-reputation] of myself (local)
( S( J; w( S8 [3 Tend
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L3 k- e I+ Lto update-neighbor-total
# P$ x, m2 _* j5 m" G' s; f
. Q7 f9 z. Q$ G' }$ \% C+ dif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ], n0 W* D+ T2 C. j9 x6 w
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+ E, t# B# i9 s, Y( i7 N8 m
end
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% a8 F/ N" Z' a4 c8 _to update-credibility-ijl
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3 i! W6 u; }8 A( r/ f6 G0 X;;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。
2 `6 W: X% L& ~0 K$ x, `) Klet l 01 @3 g) P: |" v5 I6 J
while[ l < people ]" F: R7 J0 T3 V
;;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
/ P# X4 k9 i% u' P$ k[
9 ~" `8 P0 h9 ^let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 v' x+ p" N6 _$ S! dif (trade-record-one-j-l-len > 3)1 N% y8 L% X0 ~! Z6 q
[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
1 w& ^: L& ^ S- g! Plet i 3
# Z5 b8 W; K3 r! \( M e9 B% Olet sum-time 0
% c2 _" y9 D- p+ ^while[i < trade-record-one-len]. d% S5 d$ Z; M2 B7 i: S
[, s- \1 o# Z/ A# S
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 `0 ~9 q& \ t# v, n- U" H* D/ a
set i- p8 P6 x- @& k& J- n
( i + 1)
' Z+ `1 x$ n7 v]* Y. } _7 Q; p: V5 m( Z
let credibility-i-j-l 0
8 Z0 I$ v- ?: i;;i评价(j对jl的评价)
# h6 |: X" s) }7 @4 wlet j 3: i; t: e4 d! f+ R" X7 b A
let k 4
* \; t+ E$ C4 q \0 ^while[j < trade-record-one-len]
' w& \, A. j- w- y3 T[) `& b) `- o8 q& J7 G2 t. w" W0 a/ d
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# [2 p' j1 b1 Z$ H$ E; F5 F
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)" w1 U# u e3 x1 L8 t
set j& T5 g% T' Y4 D9 h0 H! s7 w
( j + 1)
+ r3 j. G% c! b]/ p- p9 q3 |7 W
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 ))
: ]& i' ^! k0 s( S9 C
- Q, H. K& e( X1 o) w& d& L$ @
6 M6 \7 \" g- ]( C" Tlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
: Q& n+ N# X$ \8 E;;及时更新i对l的评价质量的评价
5 r' B6 x9 N$ Jset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: j5 C5 ~/ w; j$ }set l (l + 1)7 r: u O5 a6 J7 p% ?: {" j0 @
]! ]$ x$ B$ m" H
end
% [# ^ p: v* D( ^8 Y
* M6 E$ i3 J* g& r3 N! E+ u. F2 vto update-credibility-list
( K0 A* g( E+ s$ g0 y Tlet i 07 ]4 i0 z, K: }* j$ b9 T
while[i < people]
0 X: U. h( V- J3 i2 y7 Y' e[
" {5 F2 Z( \1 c [1 R& b+ Flet j 06 i5 f$ y2 n n( F5 b
let note 07 Z# _7 z+ r ?. O4 N: b+ L
let k 0
' ?0 h8 \! N: q. S$ ` J7 X8 [* @;;计作出过评价的邻居节点的数目
+ ^2 H8 ?6 g; G/ vwhile[j < people]
# f1 X3 s2 E h# A% j[4 g; y- j9 y0 c; O' l
if (item j( [credibility] of turtle (i + 1)) != -1)3 h. I" F" r6 g9 v! v" p& k4 V
;;判断是否给本turtle的评价质量做出过评价的节点
1 @# A6 X* U: x" s! i% B[set note (note + item j ([credibility]of turtle (i + 1)))
. Y4 H' t8 i, q4 X$ P7 C;;*(exp (-(people - 2)))/(people - 2))]& x$ g3 O; ^0 J6 r% h+ i
set k (k + 1)
# t& l9 ]! r' {] `9 T" v' u/ r, b) ~( w( L( j4 d
set j (j + 1)6 S9 G7 f: a; J& l
]: e! G5 {- p/ d4 C
set note (note *(exp (- (1 / k)))/ k)! ^$ V0 D; {. H3 E& \0 |1 R
set credibility-list (replace-item i credibility-list note)2 o6 w' q9 z5 L g1 u
set i (i + 1)
4 U& ]5 b6 O5 K]
. v7 v+ {2 ~4 jend, v# T6 s+ i4 w+ N. Y4 ?8 H
. B( D% \ ^! R0 K, vto update-global-reputation-list
9 y. v7 I: v5 M( |9 X+ M2 r" ~; ?5 Hlet j 0% B9 k. B& U' ~
while[j < people]4 o; ]; q) E6 B- H g! z( ^- P
[8 }) f9 Y% {: Q6 V$ M
let new 0. b* B+ |5 y% h' W& G& P" V1 o
;;暂存新的一个全局声誉
3 [8 |1 L v0 X( E- rlet i 0) P0 G, @5 c J' ^* B: j4 f7 r& G9 a
let sum-money 0
: Q0 I. N2 @ T' S7 F% a1 C4 m$ Dlet credibility-money 0' S3 t1 f" ` e6 k! A3 i1 x
while [i < people]2 H# i5 X4 D, I1 e) D; _( a: x" t
[- Y( A. z# i' T+ f" j+ m% h
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' g9 \* Y5 W! x( f% mset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
# ~6 P d( U: I, p0 i6 Mset i (i + 1)! ~7 ]& M- @- g- }
]
9 [" n# i# l$ y% j% G0 G9 c3 Zlet k 01 c+ V0 s! e) O4 c3 S( f; \
let new1 0
" _0 e. Y9 `8 Z7 ~. e, Twhile [k < people]
' V9 N# ~3 B# m* X[
! y5 a" K! r- fset 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)
% C8 E4 m! G) g% Y7 `# nset k (k + 1)
) D( f' |9 f$ V0 @+ j7 T9 M7 E, q]
/ _+ T7 G5 P! B" D& Xset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
r8 x8 [( a7 i9 F% V2 dset global-reputation-list (replace-item j global-reputation-list new)
5 S$ Z, ~2 u( S/ S* F: B( Yset j (j + 1)& n( e; l- a/ a/ O
]
% o( M+ g8 X9 Q2 A2 z7 Bend3 x+ y% S1 S2 D7 P# w5 f0 h
4 S8 t% g& c* ^8 X% i
- f' V4 X# M9 D; S( M$ l! _- e% \ g
to get-color; H" V: S8 W: |* P, i
9 s, \* \9 P$ o$ B$ u+ }, ~2 qset color blue
8 n6 F: I: E7 t6 V2 \# ~5 ?! iend9 b5 Y' y- f9 {! T
* C5 o, G8 b8 B6 r! y- {to poll-class( ?6 R" d9 k; e& P! y+ s6 o9 n1 R
end
3 [" {) r+ P5 Z0 K0 d& @: c! m6 X8 b) f
to setup-plot1
! | s+ w# \% T2 C' A9 j; R8 y6 Y2 l. n7 f) O0 P$ z3 t* H
set-current-plot "Trends-of-Local-reputation" v3 x# w! ~" h U$ ^9 h) O
+ y6 Q; q- J3 c6 [* f' G9 U
set-plot-x-range 0 xmax' e3 |- p, |4 R4 {3 Z# S( J5 x( w
6 S9 |/ T ~. f3 m
set-plot-y-range 0.0 ymax
; g+ w, Y6 ]( Z9 \* d8 Rend0 k0 ~$ [$ s5 t8 w$ u2 I! \8 n
) O( K) Z$ k' }5 k( u$ Q Mto setup-plot2
% D$ ~/ n6 O+ E7 x% ]2 j& l/ u/ d8 H& Z7 B) [; M
set-current-plot "Trends-of-global-reputation"
- g: A4 l6 ]- r, m# g) a; r7 b
) b" X6 U1 W( G" N. k, Z( Cset-plot-x-range 0 xmax
! A- e7 N) [* X+ Y6 Y/ {9 ~( a) p6 \
set-plot-y-range 0.0 ymax" n# M' ]! t2 @7 A0 s* @8 a& e' a
end
' W, n v6 y5 f! W: o- t3 X! P' c: |5 k& X; q/ U- z" Y. T
to setup-plot3! U# h9 ?- j" L4 u
5 t5 C$ s8 l3 ~+ i% c/ f
set-current-plot "Trends-of-credibility"
2 h0 i+ I# K9 x6 h
9 e8 H6 d$ u& p: kset-plot-x-range 0 xmax- G3 w$ Y% U* [0 `7 g; Z" m* n
( I& w k2 r9 A4 O
set-plot-y-range 0.0 ymax( \" w% p4 D$ v* \
end
7 H( _3 L5 Q9 z1 F* s- H9 c. i# H( v1 d
to do-plots4 i7 z* H+ O4 W0 l) ^
set-current-plot "Trends-of-Local-reputation"* i. P) L1 I1 T% a4 O, j& F" b; F
set-current-plot-pen "Honest service"& s6 k& ~0 L) [- P4 m. M
end
A9 [7 {2 h9 ?+ N- h+ N
. K1 C% `1 Q( q1 I[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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