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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
3 K$ A: r/ E) ]1 w% o% uglobals[
: ]& \4 Z2 _1 h* v9 t" T( fxmax9 N* `* T7 m t/ f' ^: ]. ^* W3 r
ymax
" ]/ t( R5 K: Y& Kglobal-reputation-list- i+ v O9 p# _
9 D% w; G3 ~8 S7 x7 Q6 \; |: u
;;每一个turtle的全局声誉都存在此LIST中* L& n% k' Z' Y" L' g. a
credibility-list
e" ]- N/ U8 F% U; D, g; i& }0 z;;每一个turtle的评价可信度$ D1 J% o# ~' j8 l" Y/ J
honest-service- O1 Z# }. \5 \% r& ~
unhonest-service
- m/ ^$ g! H; Q( E8 B. `+ q5 uoscillation
; R. b2 |3 r' ]0 w6 D% A6 krand-dynamic' r( V- C6 C9 E K
]5 k: Q4 _$ q3 i! L' }% k6 |9 I$ |
5 ?4 b# D8 [4 J4 ?% fturtles-own[
* P( e$ X5 m: K6 Q G" Vtrade-record-all) P4 ]" W. m( Q$ e. h C% z
;;a list of lists,由trade-record-one组成
8 M0 p# G/ ~% X! i2 W1 Btrade-record-one
$ ~& Z/ |: `% Z/ `/ 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3 W( l9 K6 I& T. w% T: x
+ {- Z4 h% B4 W
;;[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]]( R4 _ s/ v' p3 i, K# r1 k8 z) E
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]
: q# W7 S; B+ h" k8 i- `" Dcredibility-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; a# Z$ ^% X& q$ s: o1 ]5 h
neighbor-total! i! n$ x5 F' \7 Q0 M- R5 T
;;记录该turtle的邻居节点的数目
) M$ F8 n3 @# g- {3 F/ \ j3 itrade-time; H2 I3 S) E" r& P( F0 P+ o
;;当前发生交易的turtle的交易时间& i& B- h0 x; ?+ T" k5 r
appraise-give
5 g/ Q8 H; z& d# d/ p7 w;;当前发生交易时给出的评价
6 Z( Y! ^6 Y* r+ l/ s* eappraise-receive
9 f- _- `$ y( p/ k' q0 _;;当前发生交易时收到的评价
" U% u5 ~% [1 d$ W2 C! P4 xappraise-time1 A9 C+ S8 r$ @% J% r! L" r1 U8 Y
;;当前发生交易时的评价时间; m; q* S6 @7 J, x( S
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
D- O/ p+ n7 H% s) k; D- Ytrade-times-total, T& f2 a! h( q: g
;;与当前turtle的交易总次数8 n/ U& c( @, A$ a$ z w1 i
trade-money-total" o* {8 c+ n3 ?+ u3 a+ I ], o# ]
;;与当前turtle的交易总金额2 |7 N }6 y: r: J7 `
local-reputation: ]0 F* [( H# q4 }9 `' a
global-reputation
1 P7 j0 v$ `5 Y4 o8 Xcredibility" C8 D' b8 a& F$ Q3 \% w( m) B
;;评价可信度,每次交易后都需要更新
M6 O# T+ E' F! Y5 N A, tcredibility-all
- A7 I0 T: W k! b 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9 i5 R" s8 A$ N
" t: c$ B; v) A;;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0.52 R2 A3 N1 a: v) K+ n5 w3 T+ c, k5 Z
credibility-one
5 s" m0 p( Z5 A6 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9 D& H: b- U$ D' S5 E* `
global-proportion
" i; ~1 I* k8 M( S6 h# y9 Jcustomer" x! W2 x6 y9 r0 D- Q
customer-no
. z3 i% Q9 U2 g u" Btrust-ok
$ O5 j! y" }" I4 _6 j9 ytrade-record-one-len;;trade-record-one的长度
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; i# o$ Z+ K0 {: | b;;setup procedure
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to setup
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1 }% \9 M3 \5 G0 Hca) U' Q+ c! O& p7 C
; b" G) C+ C( o9 w0 a4 |$ f# p2 uinitialize-settings5 a$ e) S: S/ l
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crt people [setup-turtles]+ d8 \+ [ l+ |) G5 ` M- }0 @
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reset-timer. }8 R# n5 i8 s8 a
; s l4 w( A' L8 B4 ?, }: upoll-class3 {! S: O V& Q5 W1 Q: u# N' g0 J5 f) u F
+ U7 k" z5 W8 Nsetup-plots$ `6 @) q9 U& K8 ~9 u0 w
) P8 w, N9 @' x% H0 ?4 ]. \, {do-plots
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to initialize-settings
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set global-reputation-list []: s) B2 a( G* R {
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set credibility-list n-values people [0.5]
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/ {$ q! v# K9 g) L/ Kset honest-service 0
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$ ^" g) a( X6 n! r9 Vset unhonest-service 0/ @8 a+ N# f$ F
* ^: ^! Q: Z2 b( ]1 `set oscillation 0
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# q! x: p p/ _6 xset rand-dynamic 0
. p) V l, Y& d; P+ T0 `" _end$ o0 C& C1 v% ]; l; q( `3 ?
9 c3 |% U) t! D3 `+ Q0 [ u6 N' qto setup-turtles . E3 o7 _! X# K
set shape "person"
0 O" ?6 Q) x, i! ]setxy random-xcor random-ycor4 U$ J" ~! j4 b( p- \$ U I
set trade-record-one []6 Z, x$ i" x9 J4 c1 Q* ?6 E7 g
) a! H6 a* ~4 Q6 M) B# ~# W3 A$ Eset trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []- | A1 i& o/ D
set credibility-receive []
2 n" q H* {$ p& C5 Z) mset local-reputation 0.5' b" _! n" w5 V
set neighbor-total 00 M9 C3 f j0 e; I" z2 y, d
set trade-times-total 0. R5 I2 {% k( u2 a7 }9 g1 e6 m+ p
set trade-money-total 0
Q: U8 S' j0 c/ `; k/ B' G$ Wset customer nobody
0 G# e ^4 ?, a# ^$ b- n8 kset credibility-all n-values people [creat-credibility]9 l5 v: V' z3 h0 v) H, }: c9 s" g- U% B M
set credibility n-values people [-1]
* H3 z9 R; }$ P5 L, c. Pget-color
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; \2 O9 i9 l1 w: k) E0 ^0 Lend$ G$ P8 ]' s. Y9 [6 V" b
+ M3 }/ n1 p+ y# K3 X5 tto-report creat-credibility8 I; J; k# [& g* ], j$ B D1 E
report n-values people [0.5]+ ~+ o" |$ z' w8 ^3 ^: |* @* S" p) i
end
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. Y" e5 i1 s- b* R jto setup-plots
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set xmax 30
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! F- m. R& v! c6 U$ W7 Cset ymax 1.0
+ V) ]% a. G6 X- }% {3 i6 J8 O* W+ X9 b& `- |1 ]$ y
clear-all-plots. U; g' T: Z3 A; p
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setup-plot14 B+ z5 q2 I0 D: ]- h: [9 x$ J# W
8 b, Y' _" F6 m \setup-plot2
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/ E. b/ P9 J$ }* G1 bsetup-plot37 @0 Z* @- _8 f; M/ c+ e
end ~+ K8 l' g" U
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;;run time procedures! Z4 n. d# d( G
4 S/ O6 U) e' z, M* q4 p8 Sto go
- K6 @ q, Z4 ~: b/ \9 z/ ?* Q: T7 m( {5 i/ F" }( k9 k# g
ask turtles [do-business]# \0 e" h2 G( E3 W8 s1 S
end
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to do-business % L+ y3 O9 Q" \8 ]% ~; ]
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; U" h8 `* U- m, x1 p1 Drt random 360
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fd 1% }; \( K* N' E1 i" D
3 ^: h/ w: h, x$ b, Kifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here- P6 K( w, ]: K/ [+ B4 J
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
* K5 U `5 P+ G) D% E* ~[trade-record-all]of self
% j! o; l& Q) F% p' ^;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)
# o3 ~% J0 W& Y[trade-record-all]of customer
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G6 O: i' l7 `4 ?set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))
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+ |( z0 W; g9 z8 Cask self [do-trust]9 s7 X. @0 z6 r4 C2 y2 c& n8 B# @
;;先求i对j的信任度
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; g: L2 \- |! {3 B# Iif ([trust-ok] of self)
2 M1 k* p' F7 q: }; R;;根据i对j的信任度来决定是否与j进行交易[- h/ q! r" a* y) e. n7 h1 R0 N
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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7 y* a+ |) P; V( ?' C1 v! w. g5 L6 H1 p8 Y+ Q
do-trade
% h B4 z6 y' i/ G$ S6 Y' ~2 k; X- l* W# b" _0 z# m" q
update-credibility-ijl
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update-credibility-list9 A( w# b/ k$ u h2 {% `+ E5 z
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update-global-reputation-list- p$ V" M0 g" ~9 r2 E5 Y _/ c
( v9 @" [: M! @poll-class
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8 E! l! Y1 ?* t' y3 q7 P- H+ D1 Qget-color
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% y# ^9 E* |# o9 {+ r( v* c, S, t]]
, O3 r) T8 \$ [# f9 y# X
% Z% X. {% O1 g- M) l8 X;;如果所得的信任度满足条件,则进行交易; v ^; I; d- c/ k' J
( P& W' Z* K7 `) U# V[
7 d" U6 o0 c: \3 D% I$ T) M7 }) f" O6 B. h! V. w$ N9 e9 r
rt random 360! }" Y' n- [/ m2 Z; H( p: i9 t* \' F
% {8 ~5 p7 A& W+ y: _: I K
fd 1
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]
+ Y0 z+ b4 ]# X5 f6 ^% F3 @. L$ D8 H2 [- e! u1 o- Y3 w2 r& q
end# f+ t4 Y) I7 ~4 \
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to do-trust
& \' P9 Q) k9 k& x* H" q% {set trust-ok False
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. w+ s- p `, f2 \. i% [) jlet max-trade-times 0
( b2 n! L9 R8 V+ i% Q% ^. r- Kforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, c7 E3 Y; j+ W9 D" e/ s: Ylet max-trade-money 0
r L5 z7 J5 w. \9 N% P# { `foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 F3 d. b. p* _3 c' N" Flet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
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, h: s& M2 |! f% C" e/ Iget-global-proportion
) i. T5 [8 b: Z' Blet trust-value
) J" `& C' Y3 |7 ?: U/ a! m- ylocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
$ T7 m0 B3 n. M5 S3 M- Q) fif(trust-value > trade-trust-value)
O! h$ B8 I: L; z* n4 v @" P, t* i: f[set trust-ok true]+ S( Y$ l0 v1 Y3 g; c. L
end% O: Y K' k+ }5 V0 q5 \+ d L
4 T- e' z0 `' V' w, m8 |3 E, `- E
to get-global-proportion
' q+ U9 I# j7 p; hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)' |+ ?' \6 a" ]8 L+ J( p
[set global-proportion 0], B" c: g; I7 E5 ^9 V+ f% _
[let i 0- m$ x. Z4 D( e' K/ f/ v
let sum-money 0
) X' h3 V! o! R$ ^. Q& s5 Y! Hwhile[ i < people]# G- c; @) Q: ^
[8 v1 G- D" t) k; v; a3 U3 @6 s% O! o
if( length (item i
! Y6 s1 q* A* f+ B[trade-record-all] of customer) > 3 )
0 S7 B. Z% [3 T' h9 h[
- b v- C& \2 L3 pset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
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]1 I$ ?; m, n" {6 s8 X+ o
let j 0. s4 h) n7 v& {6 } o1 O; @( p, o
let note 07 u6 d* a( T! A
while[ j < people]5 V2 J6 w- }9 K7 a
[5 z" U/ v7 e+ d+ _
if( length (item i
% M. J2 d% S' {( m" G, O[trade-record-all] of customer) > 3 )7 R7 \! Y$ B- w0 \2 L4 R8 L
[
( A0 s( I, U( E. u1 `ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% V* V( k. W1 l& c
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]3 f) L9 i6 |/ W0 Q* q
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], M1 a4 q. U& A$ I' J/ P
]
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set global-proportion note. M; i$ I9 g# y
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end
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to do-trade
4 B0 j+ x$ n6 s& V+ ]! W# `;;这个过程实际上是给双方作出评价的过程
: [/ ?/ K6 r8 n' bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价: b% T5 |9 P- X! O9 z" ]
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价5 Z4 J' v: Y* J
set trade-record-current lput(timer) trade-record-current& F( e( O. O8 S+ f2 p
;;评价时间0 w, h9 A1 W) X+ h8 o
ask myself [& Z0 v7 o/ K+ |1 G( u, V7 P& ]
update-local-reputation
' ~' R$ d N, O' E0 yset trade-record-current lput([local-reputation] of myself) trade-record-current
# ` n; _$ c5 [* A7 s: `]5 e7 E! @% B) ?# @& x6 [6 D
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) T) f7 W; e# O- O& s& t
;;将此次交易的记录加入到trade-record-one中. T9 y5 t" V3 c. y" o# [
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
$ T$ \: d/ J$ M: u9 X# q7 e! H& }let note (item 2 trade-record-current )
1 `: Z9 m& u9 i- G) X2 I% ]" `set trade-record-current+ ^* p6 ^' N/ ]6 m3 j1 M2 M
(replace-item 2 trade-record-current (item 3 trade-record-current))
4 P! E+ t! P; c D" J- zset trade-record-current
& K) V9 w7 A* q(replace-item 3 trade-record-current note) m' I/ i4 L7 a/ a
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ask customer [8 W; j! b$ X: o9 z
update-local-reputation
3 R9 v# A* z; y9 X* Eset trade-record-current
4 t& D" R1 [9 ]5 u: T(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ! _7 T7 n K( {7 r7 z) m4 c! q
]; S ~( }& Z# f' O# q
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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8 ^! O& f5 h) Q# P7 eset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& Y: }$ q9 I3 d
;;将此次交易的记录加入到customer的trade-record-all中
. ~2 q6 I2 t% a: r3 }& s/ i$ Q- send
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to update-local-reputation
# s: a4 c% A, q4 uset [trade-record-one-len] of myself length [trade-record-one] of myself
X9 d% e4 @$ q& S3 r4 C8 n! \2 [
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;;if [trade-record-one-len] of myself > 3 + @3 r2 t; }% i) X% S2 W% D, _
update-neighbor-total* O$ ?$ y& K& J9 G2 J K
;;更新邻居节点的数目,在此进行8 L! Y4 k ]8 Z: ^3 ]
let i 3/ w* d# ~/ A# u! k$ X
let sum-time 0
( x, P" @# T& r5 C2 t! o- Vwhile[i < [trade-record-one-len] of myself]3 P% K) u9 m3 c, Y
[
+ k6 l3 [& c; y! l& `( Wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 b) q& k2 }, \1 [6 pset i
* f7 l& l# z7 s: p( i + 1)
( a* a/ B2 w9 i]
: @7 K* C7 d& N9 llet j 3 N" m( n' R5 S; b( D/ D* @
let sum-money 0
( S; i2 I, x* ^while[j < [trade-record-one-len] of myself]
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x: Q' e3 J: m9 I& o: Yset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
8 m2 H' i! C7 s" _ Wset j
3 J; D( r9 i4 s( j + 1)
7 C. X" i% L6 M% ^1 }]
5 g$ d# m7 f6 n4 T( ]let k 3
1 z2 X, L0 O1 r9 f, ?# V% a4 n- llet power 0
h k8 H% l5 H; ~0 {let local 0
1 W0 O- a" N! N1 \: {/ M2 x8 _while [k <[trade-record-one-len] of myself]0 ]; D- x0 ]/ i0 u* T2 O6 Y6 [
[6 e: Q2 A$ k) O1 \3 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)
* b/ X3 E y: I. k2 l5 ]/ Eset k (k + 1)( S7 d) _, d% l" T4 X, h7 u- g# l
]
# V$ U* y- V5 o3 iset [local-reputation] of myself (local)* M# C4 I4 G' o5 P1 C
end
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to update-neighbor-total. A* }5 _4 n7 R. l6 A( o. G4 c9 P
- |0 [+ u a1 x5 Z0 P, N' r
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
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7 Y# l1 u: r- l5 B! ]0 Xto update-credibility-ijl
* m/ x! }- c- O3 l/ ]% A$ g/ N6 x) G8 A8 R# T4 \/ r- `0 X2 z$ u5 u
;;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。
+ ^# t+ N7 J; q! f- K+ [let l 0
0 a" t& @0 o5 k* I' d: \( Ewhile[ l < people ]* J# X7 K2 B/ 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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 r6 ], n2 A8 }' R3 E6 ~if (trade-record-one-j-l-len > 3)- P) h/ O q& f1 [
[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; f* k, {6 A! p0 n: ]/ k% I
let i 3
. B2 o N* A { Z: mlet sum-time 0
& s# K) T9 x) u; Mwhile[i < trade-record-one-len]
3 `; |9 d" A% _ ]( s* h[3 j( V7 a8 Z, f4 Z% A
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )5 \$ A6 ~; J. U* l/ l) m) W
set i; d1 z) e5 O* o' j' X0 n
( i + 1)% _2 l6 _4 K* i+ h/ \
]) g' W4 c0 Z; q; t9 [
let credibility-i-j-l 07 O% s* B0 [; b8 m ^# z0 b
;;i评价(j对jl的评价)
* m/ h6 t6 b; C" o! hlet j 3: w9 W' E7 E U! n) {
let k 4+ y$ `& O; f8 p% ^
while[j < trade-record-one-len]
! X) h4 X) t+ V8 n+ e2 c* V C[' d- R z5 j/ [- l; o- u6 @; S; l
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$ E7 h- r1 M q) W2 B3 _* M
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)# q8 S d- t0 U( Z, O2 G7 ?
set j
- }; f) [0 }( {4 A) O( 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 ))
" \. u: C [8 ^8 C& J& B) t
4 r& U% p$ g. @* V3 G& J- A& W: G2 W9 O8 D1 _" j
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
% N/ \3 k5 B$ O3 x& K# W( V9 R9 Y;;及时更新i对l的评价质量的评价
0 |) C# X# g1 x' Q* k3 K; {" |3 Rset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]8 u. c0 Y1 j. J, G3 e
set l (l + 1)( j) v5 m$ \* p7 b
]" F( u5 E" s; D. x9 j, m& g
end
. x" y4 q, w/ D* k6 M% ]( `, O3 ^ G- _- i
to update-credibility-list
* X1 @6 Q" j; v0 Wlet i 0
) k/ W8 i5 p0 }4 w7 |7 @while[i < people]4 {& f' K1 v3 Z9 [
[
9 N R+ t# Z1 z$ l: qlet j 0% L$ Q. v$ D' j
let note 09 @( ]$ ` P* M3 Z1 z
let k 0
9 S x, a) n# ];;计作出过评价的邻居节点的数目
% I: h- ^4 ?9 r H3 mwhile[j < people]" D( X2 w2 T; `& ^
[7 X4 d' _/ E4 r
if (item j( [credibility] of turtle (i + 1)) != -1)% W( B% |: q' o1 T5 v
;;判断是否给本turtle的评价质量做出过评价的节点9 ?* p! E$ \1 R
[set note (note + item j ([credibility]of turtle (i + 1)))2 B. H0 y }6 Y2 Y# q
;;*(exp (-(people - 2)))/(people - 2))]
. W3 K0 H6 q5 @set k (k + 1)
0 j9 p. K2 |: ^]" Y6 s2 V6 b% ~. a" D6 e* f9 @
set j (j + 1)+ u5 O% K6 q. q+ I4 F
]0 D4 ]' d N& O% d
set note (note *(exp (- (1 / k)))/ k)# L. |) {- \4 x/ H
set credibility-list (replace-item i credibility-list note)
1 G; q4 Q$ N3 V* A7 ?set i (i + 1)0 `& i' \! s( d$ f" ~" a- p
]
$ u% M, g2 V* Z! p" A+ P! k8 O* g6 Vend. k. ^6 W* P% M7 ] G+ H/ P7 g
s8 X4 d4 V9 J7 o' z1 `to update-global-reputation-list
: n& `2 u# Y# G+ P+ C* @let j 0
) B8 S) ^9 x% s2 Gwhile[j < people]' E& ?, O6 i* p9 p: h1 {
[. f* U# L* z4 A2 u8 ?
let new 0
2 s0 p5 d1 K! } A' h! X/ X4 o;;暂存新的一个全局声誉, }' q: Y4 t" D8 S' k @
let i 0
) @2 S( m) s+ I9 _% Q# ~3 elet sum-money 05 u* H, _* R( \6 B
let credibility-money 0; D, T# [1 m, w, N/ M
while [i < people]
7 R" W/ `2 J3 X# _8 R* c! n+ s[3 p+ l' l. |" w0 J0 {0 ?9 A
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 k, F. X% S2 z# C! c
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
# z4 E9 v5 B. K ]+ E/ Tset i (i + 1). S, y$ v. z" s
]
M( L0 j/ D' b( X" R, J$ Klet k 0
4 D4 t' F6 A' C" ~8 r5 Jlet new1 0# n9 {0 E' w- k% j
while [k < people]
: o! n" z6 o: y- _5 Z9 k[
: c' ?, K. _6 n5 T, r4 jset 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)
+ F* |3 x" T5 D( I1 Zset k (k + 1)# v1 o6 c! B6 w8 i# }2 X
]# Y$ Y' u& v! S& ?$ s( u
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) q) d6 Q9 ?+ W4 Q: i
set global-reputation-list (replace-item j global-reputation-list new)5 _) F4 a4 U9 h* L7 S
set j (j + 1)0 `; g) n, V) f
]) J4 |9 }; I+ |0 J3 s7 ^; a+ z
end( K& y' ?$ s3 A# k5 n
: G+ C! B9 M& N: v: j* [ w7 h
6 r# u% s* r( w7 u% ]4 Q9 }6 V; b9 C r L. p8 i8 m
to get-color/ q# L9 a) K# g1 f( u+ H2 C
! _& N- J; F! B$ X( a
set color blue
; L! Q* s; e5 } I3 y& y) F. yend6 z: C; F5 t0 U2 l
% D2 v0 r! y% W; dto poll-class
/ o* y; a9 t0 R2 W+ l; ?# C, p4 [end' ]0 G" L5 X9 G7 F, h
; d: P, O7 U* n: U% m
to setup-plot1% D' F) v3 `$ E4 X2 G# S+ x
( O. |, [# ~: M5 s; P
set-current-plot "Trends-of-Local-reputation"
- e2 ^. h: u6 B7 ~6 P( A" X' U, {. {' j2 @& B, |. F, |- G, ~% `
set-plot-x-range 0 xmax9 N/ R! x) N- h6 N7 G
+ k2 M8 v% P4 L4 ~
set-plot-y-range 0.0 ymax
! c9 e2 F) P0 i5 ]end/ a( E1 h7 t9 F/ Q
7 u/ k" C; M6 X+ p9 i4 Z1 Lto setup-plot2) N& t$ z0 w& b6 @* D% M/ c9 }
* p% v5 `( d4 o# Xset-current-plot "Trends-of-global-reputation"
! Y V& n6 F% g; c1 Z0 i8 t; Y) Z, h$ E% W- u7 X" w# S _
set-plot-x-range 0 xmax; _ M7 [* P8 l) z+ n/ q
: ?3 B9 z. e* ^$ F/ K2 p3 O/ O
set-plot-y-range 0.0 ymax3 `2 E) Y# v' ^6 K
end
" M" R H/ _6 Q* v+ p0 a; K8 j; A S5 ]( F
to setup-plot34 Z- y# {! Q5 E
" g4 O/ |! Y1 L9 i+ [3 Y3 C+ uset-current-plot "Trends-of-credibility"
& Q( x l# W/ P8 d, H
) G: F: M' u& c8 S8 [8 ? X1 |set-plot-x-range 0 xmax
3 p6 d3 L: P c) Y* R# {
, h2 h+ D! ~9 F, W7 Q1 Mset-plot-y-range 0.0 ymax) z& f% I( B. _0 L* y
end
}# d3 Q5 U$ k, W$ R& a: _5 S/ Q2 \1 A! ~+ ^6 j
to do-plots2 }, G! l1 F8 I. X, z! U
set-current-plot "Trends-of-Local-reputation"+ R: v; D) i1 L- ^8 M
set-current-plot-pen "Honest service"
9 |9 Y% V9 C2 x; N3 _end
0 T( D1 q; B; q3 R+ p @
- p+ i( X3 S( j2 U* g. k2 H[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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