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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
8 f4 ~8 D- z% k! l8 g5 Aglobals[3 Y+ Z" F. \) }$ s* o: A6 C3 V0 S
xmax
# U) T+ ? @' l, A$ iymax) B# {: R& L9 z k* c! K
global-reputation-list
% B2 K+ q$ I w x# x; V" T0 M
0 s( R) h/ c6 N/ w( B/ C;;每一个turtle的全局声誉都存在此LIST中" K: h8 a: D7 x8 E2 d: d
credibility-list2 ~& U+ Y T& a; A. O+ r
;;每一个turtle的评价可信度
( z! }+ Q3 y, T/ l' R ahonest-service
$ _- J& v# J3 M Vunhonest-service
& W3 ]8 W7 n/ q# Voscillation
8 v. [) Y9 p" s0 ]5 ?- N! w# lrand-dynamic# d8 S8 |8 E* Z) N: \ R- o
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& N6 w9 \$ n/ F# H
turtles-own[
6 A! `- ]9 B5 m9 \. r& k0 U) E$ Vtrade-record-all
2 v+ Z& [1 D* J5 n7 G; O;;a list of lists,由trade-record-one组成1 b6 R8 I$ R& ^, k
trade-record-one
; e" R, o* a( g2 a;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# s5 T1 R( s8 }! j' \) [$ C
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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]]6 R: H* a$ q1 n5 O, f
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]9 w% V1 h2 ~3 X. w. H$ a; x( u- O, 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
4 A+ v4 Y& l! D) h7 @neighbor-total
# u3 Y/ ^* Q# t! N' l;;记录该turtle的邻居节点的数目2 k9 V% {& a! ?( g) S
trade-time3 Q' K3 v! l- k) c& \) q9 Y( }. k
;;当前发生交易的turtle的交易时间
* u% b- m! [( D4 s$ }) J, [appraise-give
5 z1 e, ?: j8 n' z5 f* l; r;;当前发生交易时给出的评价' d. U5 |; I b1 K
appraise-receive! C) s3 L8 i- a# `; b: r8 p# k# B
;;当前发生交易时收到的评价. E' F0 Q+ @# j3 I( V2 T R& T6 o
appraise-time
; D' l3 g0 p" c3 e1 l) \% q- d;;当前发生交易时的评价时间5 e1 Q% Y% ~, W4 ? b
local-reputation-now;;此次交易后相对于对方turtle的局部声誉3 g& \! B3 ^ B6 _, P. J% X
trade-times-total
2 i6 }0 w% N: a5 v;;与当前turtle的交易总次数& B4 W r) R: n* U
trade-money-total7 ^* v- y' T/ i+ k
;;与当前turtle的交易总金额
U5 G/ }) W# ?; q9 ylocal-reputation
' Q2 I1 W- o; k- l$ Zglobal-reputation3 X4 G3 U& g! n- B; p
credibility
! N1 `9 ^3 H5 k* ^8 e- z5 ~6 K;;评价可信度,每次交易后都需要更新
' A- b* t' I- q1 A1 V4 h! k, lcredibility-all
5 t. H) f+ v$ s1 C- u' r9 n;;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7 H$ G8 g n4 R( U6 @2 i
- [+ t+ z1 t; z3 ?0 m( N- ];;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
( U& x- b1 f" Q9 m+ r" dcredibility-one* F1 k4 f% b4 c! y4 E
;;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 |, Q/ e l" Q: I( _
global-proportion9 S0 r( h+ u1 |. ]
customer! `* h' O% Y% c
customer-no
/ \* l9 J& Q6 E& atrust-ok
/ ~/ A) E+ `' P( Y) s. gtrade-record-one-len;;trade-record-one的长度
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; K9 g, d4 d+ u, r;;setup procedure
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+ f) A! F+ s' R7 ^& O' J. V0 p1 dto setup9 ?7 @) W" l2 C: ^1 T/ _: u( I
+ b) g, f; l \5 N, t9 z
ca
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% L: z$ t5 O9 A# u. Finitialize-settings% n# i% e2 J" ~" F
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crt people [setup-turtles]
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$ e& Z' ^! A. M$ Ureset-timer
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+ ]& V4 ^) d) F$ Epoll-class
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setup-plots
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do-plots
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: o6 @/ t( M' b, M! |) O; Q1 ~to initialize-settings
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set global-reputation-list []1 n! ^$ Z) i9 Q& U
; f2 ]( v- r3 _/ bset credibility-list n-values people [0.5]
/ w9 ]7 f4 U; u' D$ [. o
& H/ P" s5 b/ W7 z# vset honest-service 08 L4 s7 R2 i5 s/ W+ p% R
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set unhonest-service 0+ y% y5 c$ k# a- |' `9 ^7 I
( ]! z5 t1 f2 x1 k! ?set oscillation 0
% Z8 b. e' C6 l: c5 y
1 V8 t* y! q+ O: X! k4 Oset rand-dynamic 0
! y0 i0 F( |+ [9 S* u% Fend5 g3 L- \" p- x
$ ] f2 {8 }& ]5 J% ~( d
to setup-turtles + G- M2 p& S4 y) _
set shape "person"
8 G! D' e5 j: T* Hsetxy random-xcor random-ycor
; ^+ r1 c0 ?# Pset trade-record-one []+ ]9 O5 i) X' x3 Z4 I
4 J; y& L4 m! E0 D3 W+ m
set trade-record-all n-values people [(list (? + 1) 0 0)] 7 p1 u' q# ]$ l6 {" A8 V; b
* t! ?3 f6 E! ]% Q, K+ tset trade-record-current []9 [& S- I8 @9 j8 d4 E+ g
set credibility-receive []
; F9 {- _6 F5 C7 _set local-reputation 0.50 u9 y0 b& j% E& t8 F% o+ @
set neighbor-total 0" I' b! \* }% w/ k3 G8 L
set trade-times-total 0% {" W9 \7 h1 b' g% U1 P, r/ y8 @
set trade-money-total 0: D" \3 i# C6 x4 j) j
set customer nobody
v+ x& _/ n! [set credibility-all n-values people [creat-credibility]' k/ z0 e% h+ s) d: o) e" w
set credibility n-values people [-1]
$ ~9 d$ T5 e4 O& H9 _get-color2 R5 b( |; l' A/ T5 U* { V- w
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end
! _* {& l: \; v$ C( \
. b+ S4 m* P: l5 c7 \4 ?2 M( m" Dto-report creat-credibility. N8 n9 q! _8 H& \; B. `& T# D
report n-values people [0.5]# j1 ?& c+ R. g A- h& \9 W& t
end
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to setup-plots' i. M$ j# D3 G- b$ C
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set xmax 30
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! y$ K2 B _6 hset ymax 1.0% Y m# ~: ^# V+ c1 d
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clear-all-plots4 W9 i% Y/ W l9 w% q: G6 n
N6 w5 p/ {4 k/ O$ `: Y/ X: Wsetup-plot1
% w( @6 {0 r R3 H3 d. E4 O
* c4 Q9 k" }; G5 @: N3 Jsetup-plot29 f: i% ~" t8 i- B; ^
& n( {, i8 n5 J3 P' k
setup-plot3
2 P" P% G( r6 [; s+ Hend
0 h) m8 d) o9 | K4 N" D8 S3 }$ l- y& r; o/ {+ g( M5 J
;;run time procedures; [3 R0 p3 M9 M9 M/ l$ Z: J6 H& Y
; F& {& r( w0 R1 mto go
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ask turtles [do-business]
0 n* N# m0 O' N Z' {) Rend( Z/ x: ^- ], ]- L. ~
( S; ~& \0 r8 n2 }6 K$ z
to do-business
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8 H) i, s3 C8 `+ V9 o& S% }rt random 360; P) |& h$ E3 g N9 a
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fd 1+ @8 {$ z5 |% W
9 c3 e5 w& X0 ]6 W% |+ F& ]. ~# difelse(other turtles-here != nobody)[
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set customer one-of other turtles-here t. u( e" |$ {6 u# {
0 S1 M# r; Q, }& r( y;; set [customer] of customer myself5 j9 \* N. ?3 l4 e
8 `: E- V. [: ^$ ~# }
set [trade-record-one] of self item (([who] of customer) - 1)
( C+ \4 P0 W! [[trade-record-all]of self
5 O/ j, F, Q ^# q5 `( Q% F3 k9 z;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* P4 } W( r a" E% a% y# G
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set [trade-record-one] of customer item (([who] of self) - 1)
* c0 J2 P+ ~; w/ E5 x[trade-record-all]of customer6 o' i/ s0 K4 T2 I1 p
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set [trade-record-one-len] of self length [trade-record-one] of self8 c( t: \! R( }( N' p
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set trade-record-current( list (timer) (random money-upper-limit))2 t3 G9 @* I/ }7 w4 X2 Y
* [# T- L$ [! K/ Jask self [do-trust]- Z" W: j/ N6 c+ l
;;先求i对j的信任度
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if ([trust-ok] of self)
+ t" n% c/ U$ u- c. M;;根据i对j的信任度来决定是否与j进行交易[
; d5 L( @9 [0 b6 V; ^ zask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; c- K! j9 N! R# W+ D+ W; L+ W
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[9 p+ O4 k& _+ p4 d
# b" [, ]" G. @- f, R+ p3 k- Hdo-trade* b# L v" A" L) |
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update-credibility-ijl
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: i6 |) x4 r+ Z( U* bupdate-credibility-list
( w. A5 c/ w6 v$ Q! a- M$ D% B$ x1 @/ K! t2 s2 ^2 B8 s j
" E/ X, Z3 b) Z f6 Wupdate-global-reputation-list* o4 w& z7 p3 F( z# N$ H$ e
0 C! `" M! N$ Lpoll-class. \# }( V, m: Z8 r4 y2 D/ Z
: K% q1 J% K. E9 V3 e- M F I* Y
get-color
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! l4 R, G6 Y5 Q0 a Y
;;如果所得的信任度满足条件,则进行交易
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[
. a* l- A. X" G8 |: G) ~& O# E& \3 @% d5 u2 v7 `
rt random 360
% c+ }0 v2 F, P9 S5 s1 f! [6 Y
& N% `7 f0 B* e! n" K2 hfd 1
: D; G8 W% P: W! {0 `& b+ o4 R% U6 M2 Y" v; `
]5 d! K' @* Q% u# s( X
, \% o7 v+ `4 G+ y9 C Y3 x& K" Jend
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to do-trust
1 a9 e" c- A+ ^, B4 |set trust-ok False
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/ _" z: F6 |/ jlet max-trade-times 02 k$ r1 I; S% x- N
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% R' Q8 C4 e V6 v! B3 c9 S0 glet max-trade-money 0
& I$ [7 q# U9 n0 W1 Uforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" p7 K& A& \6 ~! b% g/ ]
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% ]) b8 E( V
1 l; i% m/ c" D- y0 M" [! y2 X! H. d) Z* K' A
get-global-proportion
$ R" R6 S5 A- l9 U* x! ?2 Olet trust-value* G6 p8 w6 N4 O7 x' R
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)4 i. A# m( x3 _* Z; ]
if(trust-value > trade-trust-value)0 G9 E( o: ~1 S9 |; A3 ?1 K
[set trust-ok true]
* D% ]% s' J! O& y- U& `/ `end4 p1 ?! n6 k% i( k. C
5 Y! H4 N2 @7 R5 K- O3 rto get-global-proportion
. K; D: X& G. k/ j0 Uifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 b9 ^2 u; P% G- I0 Z# m, |7 C0 G[set global-proportion 0]% J. t1 e4 ^+ k5 K
[let i 0: l6 S0 a2 R. U6 S
let sum-money 01 a) L1 o+ J7 t2 ]% e
while[ i < people]
) ~, g" ~1 k4 k) j. h8 K- b[% v9 U5 p6 M- F( ~, U0 v6 Z0 J
if( length (item i
$ W: {) i$ h0 q: U9 a9 S[trade-record-all] of customer) > 3 )
5 ^7 d6 l' `, _. o. o, a[2 n( p& w6 k) w1 e g
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
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+ V4 I% i- W$ o9 l+ e+ ]2 W* L]0 P' I" ~4 k& }0 d
let j 09 s9 `/ z6 M$ Q9 v4 \
let note 0
/ |( l. ? W2 Rwhile[ j < people]% w3 D, r" l9 y5 A+ ~
[4 f! D6 ?, V1 o
if( length (item i
+ b1 C) e6 S4 v$ L0 t[trade-record-all] of customer) > 3 )1 E. T5 s; x3 \+ H* r) N* g- M. p
[
9 R: k0 e8 y4 h3 Z4 {ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)- n1 J7 ~7 Z) r8 b/ H
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 D! T, t7 V, n
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]# r0 x2 J7 }! z0 B1 C& E1 _, I' x
]
: s% h( m2 E/ T+ `' y4 e]3 S9 e- s% M- N. e i0 n5 W
set global-proportion note1 F4 S+ T, x- Y" e" U
]
$ S; x6 d3 A6 T2 v- s* lend
3 q7 h# G0 j; B, |
) @5 p& d; |6 D8 Zto do-trade
" f# O @( ~3 ]4 z& H7 C# R* l;;这个过程实际上是给双方作出评价的过程# q! x) l& F4 K7 Q! L& T" {
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% N1 f1 K: Z& w" ]. ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- a* b7 Z6 b& U* J# j5 r- m9 f
set trade-record-current lput(timer) trade-record-current
& l% a$ Y# x5 o. t+ e4 h- R- J;;评价时间 e/ m3 a7 Z$ O u0 B
ask myself [. P* O3 C V3 ~9 G2 A2 O
update-local-reputation# O# G, m. [0 l" W; J! t: l0 {2 D
set trade-record-current lput([local-reputation] of myself) trade-record-current
( ^2 d ]- | O5 M* x3 M- m0 D; b]$ s! q; d* N+ z4 {9 c% ~& N
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, i& | x4 j. V4 p# m. y8 }: Y;;将此次交易的记录加入到trade-record-one中
5 L# {7 h( A5 p: e {" T, _set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 L9 s3 J- f8 K9 b" f% z l
let note (item 2 trade-record-current )
$ V0 c' b5 n6 M' P! B$ u& v& nset trade-record-current
. d; V5 q1 f- s+ M+ S) ^, @' G(replace-item 2 trade-record-current (item 3 trade-record-current))$ D# f7 m3 t. `4 j5 C# Y
set trade-record-current: u6 C" T) b# e
(replace-item 3 trade-record-current note)7 Y; {0 \: s. L% d6 k
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ask customer [
* Y* H, T! u! v' g' v, H, [update-local-reputation
8 J! |; D$ { g' A) Q$ ? c4 u$ M* Oset trade-record-current
; d( A& j5 C6 {(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / k% S3 d* D4 O5 [
]) R; P# P ?2 Y, i8 u' I6 B3 b
) K& L: |# ^" o; ^/ [7 j7 {
8 ]- F' y# _3 yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer' {% j: X1 \2 U( s t! J1 v1 B; Q
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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))
* ^0 ~( z7 J* M2 \% c0 \1 D;;将此次交易的记录加入到customer的trade-record-all中$ j; p5 H8 x; p
end
* | `9 M5 y! V5 Z3 P7 e9 j
- d- w: T: O! [5 cto update-local-reputation) v& z c6 X. F+ h
set [trade-record-one-len] of myself length [trade-record-one] of myself! N2 Q) J2 S4 u8 U+ _7 u% c) i6 I
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% }! x! ~+ N$ ~;;if [trade-record-one-len] of myself > 3 : T1 d' n! G2 Q
update-neighbor-total
3 A( y! s L b4 P, X/ n3 h- Y" J;;更新邻居节点的数目,在此进行+ {$ I0 Q$ f% }3 b
let i 3! h( M/ w& L7 d/ P
let sum-time 0
% F# O' b( X/ _1 Q+ jwhile[i < [trade-record-one-len] of myself]
. E2 @7 ~6 w* h- b, [! S[
7 z _% k# A1 k5 _3 t. \set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 O% t6 ^! v+ Y6 ]7 |+ S- p* Z
set i
8 `/ _ [ q5 A/ b( i + 1)
* g, J; G! q' ]) D]3 n* `2 b5 O- `, I5 o, {7 s; s8 z
let j 3
9 s. m+ N ]8 T, J) rlet sum-money 0+ x% M- l, ]0 X% g. f; L5 A
while[j < [trade-record-one-len] of myself]
# X9 O5 \% ?* c! o; |/ O7 n7 R# }[
8 E# T8 [ g' r4 _0 I1 Uset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
9 V7 c- u# l" {: S7 W wset j2 K1 c% ]! ^2 K
( j + 1)7 v; K) G/ i5 [3 n* O+ H; t
]
5 Q- f8 b- |. ^5 ~: i( y4 Rlet k 35 ~- p' M I* q9 m' f
let power 0
6 x. [* |* } x/ [' p. u! ]let local 08 b, G9 N0 a' ~$ u/ a
while [k <[trade-record-one-len] of myself]
) @( x2 V1 k- }[
. {+ A+ w; h+ B3 g" hset 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)
+ M( o$ J' C/ Qset k (k + 1)
$ W! L" h0 c6 w! o# v6 Y]
& n _4 U+ K( g& B8 l/ qset [local-reputation] of myself (local) w/ K% s( }# R7 a, T
end
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to update-neighbor-total w4 ^, ^" n2 _5 j
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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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;;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。5 r5 e" t% `- h- f6 d
let l 0# Y" t2 b% R# ]9 b0 S+ W
while[ l < people ]" O, H; b1 M2 r
;;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 N# T/ l( R Q, l6 v' Z0 z
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ r* d: L. A0 a5 k
if (trade-record-one-j-l-len > 3)
' ]0 W3 k; h4 b+ A: Y9 d[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
/ _; E, p6 h, d. M4 I) ~8 S5 dlet i 3
, i' D) I/ v, G8 X' clet sum-time 0( y; |3 E7 ^/ f; S+ T, P- Y
while[i < trade-record-one-len]- r" b7 i* B9 j. [) Y2 n
[6 h6 x, Y, p/ y7 F7 i# w
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 v. w- i, t* c/ hset i
- }# b8 `1 I G, S; B, D/ _( i + 1)
. w: d H7 ?' c]
2 G) `, I6 Y* D/ Jlet credibility-i-j-l 0. L5 O0 r8 j0 I7 R" L3 q
;;i评价(j对jl的评价)
4 w8 f5 Z* v* J7 flet j 3
% b' w: l7 t. g7 X& \) olet k 4
$ X+ i# U8 _9 X' p. @while[j < trade-record-one-len]4 o$ H& k4 F' R7 @" f" v( p
[
7 z, \, P4 D! 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: z0 [( o7 W# D, z; I' 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)
# k8 W" I# x& L9 |9 e3 xset j
4 s: Z- w) z& q$ _' m( j + 1)) u/ |8 n2 w" b R
]1 @- X! d5 w6 Z; ^$ O
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 ))
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/ a; A6 Z# B3 Y6 rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
0 ?0 u) V) N' N" i% z z, _+ i;;及时更新i对l的评价质量的评价# }9 c( h% f0 Y9 h
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
$ `6 S3 x3 h; V6 O' O1 z" ?: ^set l (l + 1)* Q2 @ t, c5 W d% n, ]3 e) Z
]7 h: G T) d0 ?/ D, K
end. e$ n) z8 w9 t" M, L4 T/ L0 {3 W; l
5 ^) J4 F% }8 v; J4 v+ S' J4 sto update-credibility-list
/ X0 S# @! L5 `! f* M8 v5 Olet i 0
; B. G1 P/ w: |/ Vwhile[i < people]8 `/ S0 O1 e5 W$ {, R6 _0 _. ?
[* Q7 v" G* r1 Y
let j 0
" R3 W8 u& C! w+ f h* glet note 08 E3 G& I+ n. y
let k 0
|# [# t# _4 k2 i1 l;;计作出过评价的邻居节点的数目2 P7 c) b" f% N5 c5 y! i. L
while[j < people]+ F# b, l* X% L: j+ ?& T
[
) }5 T; D0 Z9 ~3 Hif (item j( [credibility] of turtle (i + 1)) != -1)
, Y1 s! z3 o$ w3 c$ @;;判断是否给本turtle的评价质量做出过评价的节点
9 a0 N% K2 w v, L[set note (note + item j ([credibility]of turtle (i + 1)))
& D4 e( A! w# O/ [) S. Y;;*(exp (-(people - 2)))/(people - 2))]4 m! `2 W0 G( r8 M
set k (k + 1)
' W8 Q# G2 B' o& N]. ~" r' l) }8 P* t e6 l+ y+ j
set j (j + 1)7 O9 m l7 `9 Z3 x, F, P+ R* Z: z
]
$ x9 }/ | P5 p( V3 F k, @3 gset note (note *(exp (- (1 / k)))/ k)
6 A& G7 t U- E5 b1 {; U+ _$ }) Z, Rset credibility-list (replace-item i credibility-list note)4 g- T; S7 y( b, d0 w
set i (i + 1)
3 U: s" o" h8 g V8 s* U: A]8 C9 ~7 O7 b- _) p
end* g5 E( V, O/ G+ K0 Q# T
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to update-global-reputation-list
( h& i' w2 _$ k7 O* h8 H( blet j 0/ k9 x* q0 O0 ]$ Y; ^8 j
while[j < people]
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% u$ N% @! b, o7 d% G* Flet new 0
" i8 S" R* {7 c f, O;;暂存新的一个全局声誉
0 h, E8 W& j% H# T( a/ q5 h$ Zlet i 0
. f e" Q+ m ^3 X0 slet sum-money 0$ s. o# Z% U" m. \2 B: {, |9 V# L
let credibility-money 0
: x# G6 U$ K; f, P" E9 v' n, ?: d6 qwhile [i < people]$ K0 n5 B o7 ^
[% [2 _' B$ M$ N! i5 n
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 W4 W5 c9 D& U% a! rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& t- x$ I; ]& a8 H; k
set i (i + 1): l) h+ h; c$ J
]
& s4 i- [4 Y: ^+ ]let k 0
1 m8 k; C7 k) Q1 R {- llet new1 0: z; W9 m5 r2 P' ?5 |% u
while [k < people]. D; I4 K* L( Q* ^: s- \
[) p9 B. j" _* H' w* f& o
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)& |5 }7 H, I' W8 \8 n1 v
set k (k + 1)
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
1 ^, B4 X. @ K# {; Dset global-reputation-list (replace-item j global-reputation-list new)& D, q- y2 K2 G) ?& R
set j (j + 1)
: }9 }4 P/ B9 ]+ o- c* E0 G' P]
; Q/ i% ]$ c! mend
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$ v8 k+ _. G3 j3 t! i& i( J5 D; S
0 I: d: U, K/ c: j7 W# r
to get-color# C0 p0 v& c1 s5 t
2 k9 N$ N+ c: Y) d1 @! {! k0 qset color blue3 y. P7 b6 @6 B, q* w0 s
end6 d" Y" T3 B. z/ H$ o; Q0 f
3 q+ B& _0 q! ~4 { `
to poll-class
& T9 S/ S7 {3 h0 bend
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to setup-plot1; g6 A& O% ]* b4 w: o. {' z) i$ m
3 b1 g- `, x* a! \2 n& @set-current-plot "Trends-of-Local-reputation"9 t9 i% ?6 z! g: r6 _) g: H
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set-plot-x-range 0 xmax6 f: U2 O$ W: L$ @8 l, @3 R
6 l q A. q$ M4 J8 W: i0 vset-plot-y-range 0.0 ymax
* W7 Y* ]6 s/ ^- Vend
2 @# j% D8 {6 d1 X2 b
y* J2 l# x4 u( K4 s, |to setup-plot2* Y3 D7 e9 X& A: z& }" v
% | ]9 K! q$ V; zset-current-plot "Trends-of-global-reputation"
5 ~, |7 M% z7 F/ w) i7 N- L* ?4 T8 ?0 B j/ g, A$ V
set-plot-x-range 0 xmax6 ^& G# |+ ^: |4 x+ }, ?
" X0 }' c; z8 [1 E+ o8 Kset-plot-y-range 0.0 ymax
# F$ ^5 d3 h* Y( iend
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" B, z* S7 M7 f" I% Mto setup-plot3" j. J% f7 Q: |$ v- u+ B
$ }$ ?" R# f* Bset-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax
5 f, g$ Q! X- j- A1 T k
. j! Y% ~; G8 H0 `set-plot-y-range 0.0 ymax6 y: i3 x6 I3 C# W1 a
end) G+ V4 Z6 `5 B
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to do-plots
0 h; k- }9 C# Yset-current-plot "Trends-of-Local-reputation"
/ e6 f5 K6 n& P3 E9 Iset-current-plot-pen "Honest service"
2 ?( K ]& f' k' a- `7 dend ~% }4 e9 ^! u1 q; `
% o$ u/ Y R/ y8 v1 A: n: _[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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