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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/ V0 H7 q# h1 j0 x2 K
globals[8 a6 ~. H' W% n- E) Y" |. W
xmax0 m" S. i5 A; f3 L7 g7 M3 z/ @
ymax' H; B7 {9 ?0 \% N2 O
global-reputation-list0 J; K( l( S, c% W" K U3 H
! ^# T0 Z3 X d m" V; e) z
;;每一个turtle的全局声誉都存在此LIST中# b; X! a& _+ ], X5 X0 B
credibility-list3 J! Q9 I) X- R8 r- a
;;每一个turtle的评价可信度
/ B! k9 T7 p9 o' khonest-service
+ _; l( P- L5 g% {; s. X0 @unhonest-service
" u6 p) M/ F( c/ s7 p xoscillation+ q' I) a) W3 L9 u
rand-dynamic" S+ X( T' d9 {* m
]- y) ~" X+ j0 p8 b
, @4 E1 }- x) I; K6 z' {turtles-own[# ~6 Z" Q3 [5 G% v3 B9 r8 o& M5 g
trade-record-all' d3 Z% m' ~" K t) [
;;a list of lists,由trade-record-one组成- w8 F+ u. [; w3 D
trade-record-one& J( n2 K% I1 W/ s g0 I
;;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]]% b8 u! |3 t7 Q# x/ k1 I* H
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]- O: ?4 G3 {9 s1 O2 f5 }
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list5 b* v, @: u+ e: |0 Q3 O& h
neighbor-total, l5 f. z" Z. {! v
;;记录该turtle的邻居节点的数目
( Q T0 F' K" N: N1 O5 y7 K3 Vtrade-time' {+ \8 E0 l! `7 c8 {
;;当前发生交易的turtle的交易时间; p( [% M9 W1 g$ |- R
appraise-give% W0 [3 H2 ~. n% X1 q# @" r9 |5 y
;;当前发生交易时给出的评价! @; e% g7 k) {# T) ?7 I+ ]% v: ` |
appraise-receive
1 n6 E6 X1 O! B5 \3 F;;当前发生交易时收到的评价
5 r! n" S" j. x# A: K& e. lappraise-time+ x2 h4 m: G! L' }; w% n2 l
;;当前发生交易时的评价时间/ U2 ~9 K6 ]' y* C7 E! k) |8 }) Y. r
local-reputation-now;;此次交易后相对于对方turtle的局部声誉% Z2 }. P W0 L- Q- E3 U. B
trade-times-total
9 S. }) N/ E6 B2 M5 [2 y! L: R+ |;;与当前turtle的交易总次数! n) i, T- ], D& ]+ f' T
trade-money-total
! {( _7 i5 t k5 m; J. \;;与当前turtle的交易总金额
" r' R7 s0 r" q$ I4 |) _! plocal-reputation# @( ^: P M5 J
global-reputation
3 [( Y) [) e' ^1 r ^6 kcredibility
: c! J3 {& @% B5 h;;评价可信度,每次交易后都需要更新
/ f; b8 ]0 O4 D. T. }0 zcredibility-all
- E' B! i6 @( @' j3 f, H;;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
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;;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/ C, n q9 N/ c5 z- b5 \
credibility-one
7 v9 l) q6 Z& f" N2 {;;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( z% b, U3 [* b, L/ i: M/ e- j
global-proportion2 i& R& `* `. T$ w8 R
customer! W, k( _6 s: b& a# M
customer-no
9 k b7 B% u: B3 b* Q4 }3 i5 Xtrust-ok$ V5 \& f% F" n- w
trade-record-one-len;;trade-record-one的长度
, k; E; S, q3 p2 A9 O) s9 ~, F- e( q]
% F- s4 M8 w* u! O7 Z- C1 u- v( U
;;setup procedure9 M, r. V) k+ d
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to setup- V8 P$ A* i$ z" C6 M* `1 l
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ca+ k* g; n/ d" Q" T% F# e, F
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initialize-settings
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crt people [setup-turtles]& F+ J0 D+ B% Z# ^$ m% t
4 S- f7 ^3 w7 ?8 c. d; ]+ Z; c2 `4 v# [
reset-timer9 ]( s- ~8 S+ y: j( N+ I$ ~) {6 G+ ^
9 V# C9 Y+ l6 Xpoll-class
; {: W* R5 P' i( b& d( J+ s6 L2 J
setup-plots+ }- w5 b2 f/ j
( l# [5 ?! z( W+ y5 vdo-plots* @9 |! t9 K7 a- K4 Y' W6 w# m
end
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D( d9 w3 }3 U) z5 t; k! Ito initialize-settings
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set global-reputation-list []
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6 r: [& u0 T- Eset credibility-list n-values people [0.5]/ n; c+ ]; t( h; q( C0 D d( z1 a1 [9 I
" W# h% V' u) lset honest-service 0
5 U3 {% S( ~1 {* r" ^( o: D$ n$ J! K4 ~2 z3 Y0 @0 ~8 w9 W
set unhonest-service 0
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set oscillation 0
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set rand-dynamic 0; L: Q, r/ v1 N
end: g1 q+ m+ ~- x/ y
* J2 u) Y) q# ?9 J% S" U* Oto setup-turtles
1 r- y* A0 `3 N6 F5 H) S0 @set shape "person"6 f- v$ k" r0 G7 ?- S- H/ R
setxy random-xcor random-ycor# u5 j$ Z; |0 ]2 Y% V2 B
set trade-record-one []/ _6 ~) ~7 {! p# ~5 h3 c$ r' C! {9 L
+ i6 o" e0 [, a+ H I, S
set trade-record-all n-values people [(list (? + 1) 0 0)] ! {( x9 P3 v. ?2 Y4 Q9 j7 G
# C- _7 N; X$ b* cset trade-record-current []
6 U% Y- \. F4 ~* o9 kset credibility-receive []1 s- m1 i+ O/ W' `& _
set local-reputation 0.5
1 X2 A3 ?4 W/ ~2 M; J( Dset neighbor-total 06 |1 _9 d8 r0 z3 o2 e
set trade-times-total 0
4 `0 Z$ b; F5 y3 p7 J9 D# c& yset trade-money-total 0" \/ Q+ W/ }7 |$ {' d) x, }6 J
set customer nobody
) R- F8 }' E V1 Q: Eset credibility-all n-values people [creat-credibility]
: P8 D2 A/ A% F0 k& wset credibility n-values people [-1]# H9 M3 r) N" {" y8 ~
get-color
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; r% _' e X% ~end
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* O/ P( n; q7 N! [to-report creat-credibility
4 G& H3 T1 f! A/ f5 D- P% kreport n-values people [0.5]# A: Q8 s: x* o
end% O2 l! k) @6 C% N$ o7 X2 b
( p' P' G0 m3 x: x( q% dto setup-plots$ G8 a D/ ]# f. u1 e" ~
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set xmax 30
6 c" y8 h+ Z$ a7 S- @. @6 X. {# J d+ c' V
set ymax 1.0+ }. o' ~ V# L* H( O0 N7 ^2 ]
6 N) Y1 ^2 B: d/ D; qclear-all-plots) c# }6 T0 N3 y: x d" e
# I( {9 C4 _8 Y( U2 e) L7 d5 _setup-plot1
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3 p" A$ G5 ^$ Xsetup-plot22 d+ V% L& Z N
* T3 W; `" G" l8 Vsetup-plot3
A9 U, l: {" s+ c# }8 }0 Z8 E: eend
) z) o4 m8 |+ Z7 {( S2 n' r: l
" u5 h1 ?# D' b6 @ v;;run time procedures
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3 h0 B( n! Q9 a- \) t j' Oto go
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' Q5 e) i/ v) T: F0 e5 Wask turtles [do-business]' m' @4 a+ J( j" o
end
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9 z( x+ D) q7 C( S# g; Rto do-business
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9 ^, y% P+ n1 q% t/ G6 t7 Drt random 360
* U, E: e/ _6 R$ e( Z+ ]) [: [$ a! K/ }. R+ a9 J
fd 1+ V6 `- j' |+ G3 }( W% H( a
( x% \- t5 C6 y: r7 ~( c. u
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here# X0 d+ J7 [# W7 }
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;; set [customer] of customer myself# I b$ }( D* P- u- Z8 f
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set [trade-record-one] of self item (([who] of customer) - 1)/ |( o; X: R9 d4 e0 [- \9 M5 L
[trade-record-all]of self8 E9 b8 ]7 j9 ?6 _# L0 I3 ~
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self% d6 i7 n _# L$ ?6 ^$ b
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set [trade-record-one] of customer item (([who] of self) - 1)( p- k( v, n) [2 ]) H1 q
[trade-record-all]of customer
0 X+ {# a+ H# v8 d& R
; m% _ V+ G$ C; q7 l4 P0 J/ dset [trade-record-one-len] of self length [trade-record-one] of self: I) K3 m: m" G' n P% ~4 J" Q, K
, l/ Z* {) X% L7 l, T) Y: O2 uset trade-record-current( list (timer) (random money-upper-limit)): L" l n7 y4 K
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ask self [do-trust]
`6 G: W. ~$ w; B4 h4 d i;;先求i对j的信任度: _ I5 n% m/ a5 t: K4 M6 s2 ~, G
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if ([trust-ok] of self)% g. A* i+ L; f. ~ ]
;;根据i对j的信任度来决定是否与j进行交易[
% L2 e1 q- E3 B: c9 ?3 q, kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[- a( ?2 ^4 }* h
: s4 ]$ L6 V; y- Zdo-trade8 X @/ L3 E2 J$ S# r$ M+ H' Z7 ]
* B. |( [1 q% O! |3 Q* m2 |update-credibility-ijl P' }/ c6 s% p! r/ Y$ X
1 o+ l- k7 q! l4 [update-credibility-list* F3 |8 y4 f. N( A' W/ Q; }/ C- e
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" y) I8 i. E' g$ y* Vupdate-global-reputation-list0 X" Q4 \+ R+ @5 Z, Z' t
3 S! [% X0 s: T" K4 S& V7 P5 xpoll-class
% {, I/ y4 B8 L# [$ r* I
, f: j- h/ g1 K' k- s; p+ t$ @- hget-color" l1 S3 W' N% o# L/ L6 i9 X
, d+ ]$ @* o6 J
]]
* S" A; M6 i, e( V
% v, w% ~6 z y4 r8 ~, U;;如果所得的信任度满足条件,则进行交易
( B9 l* T6 w( S1 R4 }4 @% ]" L9 Q( `; U, A
[
1 m( V; q- t1 z) X# [! e8 W
. @% T$ q) W0 k' u Crt random 3605 w, K+ ~; n* N: j) n; N9 b
0 A8 W( \3 x# P, {
fd 1
" t* L0 r& O5 `" l% o% K/ `6 l. s
6 _5 \! o% Z) P7 S+ H]6 d) k& b% G& Q8 d# k& O
9 v9 G% F6 G3 }% l5 Send
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6 j; z7 k, K& H0 Z* P$ w0 B* G x; bto do-trust
" _# Z" p+ ~4 Y# V5 y" z+ L2 r- _set trust-ok False
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[! _$ S/ |+ g6 g) wlet max-trade-times 0
* ]) w. t1 m& V1 I1 oforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
8 c, n, ]9 e% N' n# K+ S7 `let max-trade-money 0% r4 N- G6 Q7 T& H
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] B _! \5 Q3 s$ ~+ ^& _4 f7 s5 i
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
: T2 V0 \) l) c) E" U5 F' N, F0 Z) ?, X
' ~& C) i; k; }' r
get-global-proportion
$ m; C1 {# }* J: D1 vlet trust-value, W' U. o7 J. ~( E: w% ~
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)
0 T' Q- v |# A: {if(trust-value > trade-trust-value), L+ m1 }3 t& m9 F
[set trust-ok true]
9 a: u+ ~ [8 x" t6 Q) {end
( v. E L5 Z7 b- P' v; b' L, v& K9 u% G
to get-global-proportion5 H( n8 {9 _7 k. _, }
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)3 N2 _4 X% ?( G1 g
[set global-proportion 0]
) S6 S/ {) h! |[let i 02 F) N& s K g. f% n
let sum-money 09 O% ~. P6 H) R; K8 F" B* i; H
while[ i < people]
" ^0 M. X$ w( n: }+ a. r[1 |2 S7 }' i8 v; [! `
if( length (item i
0 Y2 b1 E W' U+ ^! O% F2 z[trade-record-all] of customer) > 3 ). C( b# T9 E ?9 ^$ Q! O1 z/ K8 W
[% c6 Y6 o8 ?: Q' m8 F) U3 v5 N
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 _& T, V% u# z4 J]; F3 P9 x7 D" y$ Q
]
' Z$ x2 L( }2 m, ylet j 0$ I( P5 }; T9 p3 r ?
let note 0; W+ F/ M% o/ P3 z& u" g
while[ j < people]
! w" m: ]9 O) n0 ], G" n[% m" Y# r* V5 r* L E& ?( b6 d- |
if( length (item i6 O4 @1 |7 t/ H5 x9 r
[trade-record-all] of customer) > 3 )
; `' F' y/ K) S& P/ a. ~- K[
- c5 W' `1 u5 H b% Zifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% o1 g5 G% F1 J$ B7 R. z2 Y4 M4 j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 p- q& O7 k9 i3 O. Z" D2 T2 i
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]0 g# q, M8 ]. ^
]
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set global-proportion note
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end
: J8 h" }6 L+ X t, x* I
1 `# ^- o2 ?3 [; ?$ P1 p1 Nto do-trade' u9 j4 i; g" w; [, a
;;这个过程实际上是给双方作出评价的过程* g+ D4 i" m& l) b
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价4 {9 |$ D) p+ D2 c0 s8 l
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
; @9 U. P3 P" J2 D) k, @set trade-record-current lput(timer) trade-record-current+ _) |0 d7 d$ R( S
;;评价时间
; b5 ^1 o; v- qask myself [
3 {7 q; C+ L" C+ u' p! oupdate-local-reputation
2 d. n$ _% Y) ]. }3 Hset 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
( Z0 x0 Y" x& D;;将此次交易的记录加入到trade-record-one中
9 v$ c3 _! B; Z1 `# yset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)7 s1 ^" ^, v6 I3 N X2 u
let note (item 2 trade-record-current )
2 M8 w4 W" d1 }$ Qset trade-record-current
0 R# Z0 B7 Z0 ?# }8 D(replace-item 2 trade-record-current (item 3 trade-record-current))& ]% Q7 j W0 C' K
set trade-record-current( i+ S+ ~ @( j
(replace-item 3 trade-record-current note). B8 K1 U9 b% z
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0 Z: b; G; l3 J' }ask customer [3 `9 Z& W" k0 d: A
update-local-reputation
. A, T1 ^8 d9 Z9 Yset trade-record-current3 N( `( D3 C b9 g8 C$ D
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / i3 m; G/ i' v, |' ^! N
]1 ^" Q( P- q0 K
$ h8 K$ N' o) H2 t2 O y
5 ?% r# B: h' Z( b2 }. |set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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! c1 N, t) O+ `) Iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 y" v3 D5 G' h B& _! V# ~8 N# u
;;将此次交易的记录加入到customer的trade-record-all中
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to update-local-reputation
3 G0 v1 ~! K# N5 |0 {* {4 K, Lset [trade-record-one-len] of myself length [trade-record-one] of myself
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, M0 {* v, W; H: N6 x# K% n9 p6 j
;;if [trade-record-one-len] of myself > 3 0 Q9 U4 Y' A4 y, R7 B B
update-neighbor-total# ^2 Y" P( O5 h0 k9 w* F& }8 z9 j# ]3 K( t
;;更新邻居节点的数目,在此进行0 |( z" Z: j+ M; z- n
let i 3* k; J. e t; F( l3 Q) |# t4 O
let sum-time 0
- Z1 D- Z* ~4 n$ T" c% [while[i < [trade-record-one-len] of myself]4 j8 [ r+ D0 D, R* @$ ~# \
[8 @' m: z% w* e5 Y" z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )1 K) q6 g5 ?# l# [6 W2 ~" U* s
set i; X: l. Z: K' ]. [( p
( i + 1)
7 I7 f/ e$ o) w$ W8 z]& a, t+ n" W, D* A5 [
let j 3
: F- ]) M: `4 X8 y/ D( K7 v& Jlet sum-money 0
1 I0 y2 J& ~) V5 Kwhile[j < [trade-record-one-len] of myself]
* w( @$ X% e9 V* @; d: P[# U+ A3 z+ N4 Q
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)
& ?. a) f8 ~' X3 c: Z* k& g! ]set j; w4 B% E* q1 ~; S+ m% M; C6 U
( j + 1)
* h+ t6 F) t, g; D$ z: B9 `]1 j, U. U/ N9 R5 O+ ~- v
let k 3
5 G2 N4 r0 ^7 i3 x; u5 D5 Slet power 0
( z; Q! O7 `- r6 xlet local 0
5 W) D/ y7 W2 h9 I6 Bwhile [k <[trade-record-one-len] of myself]) _- \4 t; Q! M7 U+ V" d% ?
[
. W0 q9 ?2 d9 [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)
. _, _) f; Y7 ?: @# F Pset k (k + 1)
s! d1 U& a" ^7 L3 G% D& U]% _- h: Z* }* O, M. l
set [local-reputation] of myself (local)
D3 v" } F iend
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$ \" a) s2 i$ r7 |to update-neighbor-total' y# a7 N' U; u. `% t
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
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to update-credibility-ijl
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' A) v# |" O# ?# [0 j;;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。0 O( z% \8 k/ _! d- ~2 g: x
let l 03 ]# O9 Q! o( S( }
while[ l < people ]4 h6 G" c; n* N! t9 Q
;;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. ~* i* e, V. @/ @
[
' {8 D5 z4 r' Flet trade-record-one-j-l-len length item l ([trade-record-all] of customer)- t2 u x, E- v$ q9 O
if (trade-record-one-j-l-len > 3)3 N3 r1 P/ e7 N) t
[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" v- G/ h9 K9 d+ E+ @& Z. S8 L
let i 3
! N2 m7 g4 ?' rlet sum-time 0) ]1 e& X3 H, D. \8 B/ ?' o. B8 O
while[i < trade-record-one-len]
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( h) D/ V9 r" g: j* v1 Q4 k1 hset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# b+ O' F W2 b ]% s( [set i( ?/ G, ~2 K+ l5 K; ~
( i + 1)
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' q- Q+ V! g6 T# D; Xlet credibility-i-j-l 0* y( \# X0 w) |9 O# X/ |
;;i评价(j对jl的评价)
! U+ j( S' e: Z9 Xlet j 3$ n5 X0 x$ M5 Q
let k 44 H% d- j8 ]. T! B4 C8 z
while[j < trade-record-one-len]
( e' K& M0 t9 P+ T[
4 h& P# l/ y9 Ewhile [((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8 i6 W% s# f6 W
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)
9 `4 s& t2 r8 p0 Q# o: Cset j% {3 a8 c* p* [: G% M8 z+ Y
( 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 ))/ k6 C( | p4 k. n1 h( k1 a1 V
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
8 p4 `; V+ v/ j% B& s, C' d;;及时更新i对l的评价质量的评价
: O* m2 R: e- A/ |6 g" x/ Sset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) g' z9 A, Y% d0 M7 V/ u
set l (l + 1)* O/ e# j& q. w* M" N
]
! S% j, B/ M3 n) O' Aend
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to update-credibility-list8 f2 R( @: n, Y: [+ d
let i 0
2 Q: O$ I8 y7 a0 }+ F( ^ Awhile[i < people]
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let j 0% ]) N3 W) [6 w/ i" v: L
let note 0) Y/ H% q1 h& R" H7 _
let k 0. p6 k3 I; ]- b5 ^1 ^/ K, C1 }; l
;;计作出过评价的邻居节点的数目) M9 m- {6 T# z
while[j < people]0 J& A" w9 Y. {% o( @5 a
[( J) [$ p/ m% s- J0 {( T! ^. L
if (item j( [credibility] of turtle (i + 1)) != -1)
) I5 z% {, u6 X9 g% U;;判断是否给本turtle的评价质量做出过评价的节点
* A" ]) ]- ~" c5 b5 \# ~: A[set note (note + item j ([credibility]of turtle (i + 1)))
/ H- T9 `/ ?7 d;;*(exp (-(people - 2)))/(people - 2))]. g# e% v8 q9 v
set k (k + 1)
+ D9 z( j# _0 }4 y3 Y& X]
4 G; L! `2 |% n- m4 t- t# jset j (j + 1)
) [" I. J; `6 u6 `& E) U* g& t; k]
) k- T T) l" q$ k# F5 ~2 l+ gset note (note *(exp (- (1 / k)))/ k)! V; N `# R% ]2 O
set credibility-list (replace-item i credibility-list note) H0 s0 Z! x1 u5 Y3 u5 O
set i (i + 1)) C, K1 C$ d- H) q
]
* Z8 x. u% f- \$ C' Oend" l4 t8 A* v! A+ D& ~( A" Z
, b* `* O' K' T/ x$ [to update-global-reputation-list& f9 w) D% E: @
let j 0- n" ?; |9 a& e
while[j < people]3 Q$ i0 E' z) g' j2 B, X/ h
[. }* W; F: z/ a9 ]' I1 a6 X8 u
let new 0, o( _0 y7 |) `* p, {
;;暂存新的一个全局声誉
4 t3 f: Z" n5 X' R9 {; xlet i 0
9 d& d+ j9 P- I- i' f, Rlet sum-money 07 g( n# D% u9 U0 L+ i
let credibility-money 04 A9 P3 O2 t! L* ^
while [i < people]; @7 ~: E3 n' K' b
[
# A0 R: N0 h/ P8 U$ r; G# s# b) f+ pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 i7 ]% L' Z$ ^3 h( j1 r5 iset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
# D) [0 ?" ^0 ^ Q hset i (i + 1)
% e. X5 e/ Y/ G( g8 I( z, n/ `]6 z: t& u) T# [7 F: h W' R
let k 0" G, m2 C) `- T6 a- D8 h7 m
let new1 0) [" r" ]+ [) i- p7 o4 u1 P, G4 \
while [k < people]
6 e1 P4 y- @) c+ B[
# S# ]3 ?) S* N- _( H8 R! a! 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)( Q, _3 Y1 @# g+ x0 P: S+ [
set k (k + 1)
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 E8 c' D4 K- O6 V4 Y; dset global-reputation-list (replace-item j global-reputation-list new)
) C1 ]) F% y& Z8 ]! ~! cset j (j + 1)& I, I4 j8 Q# Q0 d( J% `
]
) q* b. Z( \+ _( Z& X1 ]9 gend
0 Z/ J. a8 \1 `% w* e3 D3 L
0 s6 J: Z# l$ c+ E! `5 Y. a; w( l) p" ~# F
$ \2 K" l. d9 D3 E; p( x% w) @& }
to get-color, @0 V7 f3 L. Z6 a+ k
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set color blue, n! A# |( |1 O' W. u) m2 k# v
end
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to poll-class
|) B, D2 g/ y( Uend
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b( C1 O& D1 {) S. Jto setup-plot10 G1 A' _, q3 W
( d% q1 j4 P- N7 [8 tset-current-plot "Trends-of-Local-reputation"; Q3 M% K& @' s; [. D
( B+ w5 x- {* a( X. Tset-plot-x-range 0 xmax8 }5 E) B) ^$ s5 X
; k5 v+ k$ L+ w. z E: _
set-plot-y-range 0.0 ymax
2 U7 I. h" ^, f/ W. D# i% T4 Cend
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to setup-plot2
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set-current-plot "Trends-of-global-reputation"4 C7 }+ m( g# J6 P1 S1 S2 W
! L; x4 F5 ?! x$ |( L3 y3 zset-plot-x-range 0 xmax2 j; m" }5 A! e6 F! D
. b- A' S* d; \$ _# v# tset-plot-y-range 0.0 ymax5 }8 U6 D# B: G: T
end
% E* p# R4 j# D8 U( o C8 s& o4 X3 x- O# m2 d, f
to setup-plot3
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set-current-plot "Trends-of-credibility"! g( K+ b: Z/ {
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set-plot-x-range 0 xmax
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! X& e: S0 K5 B4 Hset-plot-y-range 0.0 ymax
$ K# c6 |) I/ q& @end
7 j+ C R4 R: x! e6 ?; D
" l8 D1 ~# r1 t& Sto do-plots
& z* w0 a9 y/ L7 G; E# vset-current-plot "Trends-of-Local-reputation"1 U% t$ n. d6 ~% x& ~( N$ _
set-current-plot-pen "Honest service"
1 |# r$ \$ Q5 Dend
8 w/ H9 \1 H, t9 o, b
' V" r7 w9 [, O1 v% j[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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