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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
$ s- Q: o+ Y9 ^. L0 A! oglobals[
R) I2 h7 z3 y5 H8 gxmax5 H& W8 [0 p# k2 q' C' j: R$ L/ m
ymax! `3 N1 F/ z) i# w2 _; L
global-reputation-list$ d, m5 O+ z* [" t: X0 v8 f$ {
+ \3 u" e7 @2 M3 g
;;每一个turtle的全局声誉都存在此LIST中
) G7 t2 ? s1 l3 l5 s2 vcredibility-list$ Y5 ]% a& |# ^7 h4 F6 ~
;;每一个turtle的评价可信度3 d% D2 m; T: z9 @, X; r$ N8 [
honest-service) Q2 ^# Y5 h, X" \$ x4 o
unhonest-service
4 ?. P3 |! f4 g1 zoscillation
7 A# \( {- h& t# ~/ o; r& i8 Mrand-dynamic% B# \: A% n+ u2 {
]
4 l- u2 Y& w. ?1 p! f" O
! C r9 d1 y" f! Hturtles-own[
* B( i8 W. ]+ T$ r# S0 ktrade-record-all
! Q2 a9 k. j) V: {4 d9 Q;;a list of lists,由trade-record-one组成
) {( P' [6 L& K# \; |, U; D7 Strade-record-one
/ i: V r: O" g5 G3 K) r6 I' X;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录 f( c4 j' { j6 r
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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]], |5 Y2 g: g4 m
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 Y& O/ m' l+ X ~1 b% Ecredibility-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
0 o- M8 j( I R* Zneighbor-total
9 p7 S+ N2 K% o; f( q6 K1 H;;记录该turtle的邻居节点的数目
9 U: X4 O; b4 Ftrade-time' K, l" Q8 q2 b. u
;;当前发生交易的turtle的交易时间
6 C# _7 n; ]; j, w: t" \appraise-give8 M6 A" }* I0 l5 X) J* l) l
;;当前发生交易时给出的评价
, a/ d) j1 O( O/ jappraise-receive6 @( D* G! x! \ m8 r$ m
;;当前发生交易时收到的评价
" F% z' B" _* e Sappraise-time
; D4 M0 R/ v2 i;;当前发生交易时的评价时间
- j9 w$ G2 T9 nlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 ~8 x, l! j- C9 ]# c% B8 i" Utrade-times-total$ Q6 U8 |' j |# T) L
;;与当前turtle的交易总次数
" E% Q: j9 r! C; }9 V: Btrade-money-total
" l0 q. ~4 B0 ?. u9 Y0 e;;与当前turtle的交易总金额! Q! S- b" D; E0 i/ L
local-reputation( F* j0 d/ w- O# [
global-reputation( X9 V3 X/ w' |# Z6 y7 f
credibility% E0 K5 z) B Z( c6 c5 P
;;评价可信度,每次交易后都需要更新! s5 Y1 Q' h/ z
credibility-all
# a, ^' L+ N4 J n1 m" u2 b;;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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" J: ]- N' s3 P* C1 A* P9 a/ w: p;;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
5 c# V. C7 I# ]5 G; K; P+ acredibility-one: t$ z4 I/ ]7 K
;;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) X' k$ n- {1 u! X5 K
global-proportion8 Y2 a: J/ |' U: c3 {
customer
9 z6 l! x m% U% @customer-no
* D: h+ U$ A g: S0 Rtrust-ok1 a( \1 a g0 j, f* x9 t |8 }
trade-record-one-len;;trade-record-one的长度) K! v2 g1 b* P0 W: B
]
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' ~9 ]# U. D! C6 F: K4 |, O. D# n5 L;;setup procedure
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& A: a" h ~& D' p% l i3 vto setup
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ca
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initialize-settings- K0 F4 P0 Y* w2 N) Q& ^3 @5 @7 F
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crt people [setup-turtles]
# p7 U$ {# I" ?, e% X( e0 G( T& ]6 \9 N {# c4 n
reset-timer
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poll-class
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setup-plots
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do-plots
9 C+ F( S) l$ k4 i" Xend; y9 a. [+ L' r' p4 ^" ~$ w
' T: o- d' B: E: c6 j4 gto initialize-settings' z8 m! B8 W# `% v" R2 R0 ^
0 `2 n$ u+ }& i0 s6 aset global-reputation-list []
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- y: q' U X% j2 Lset credibility-list n-values people [0.5]
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+ j4 c8 `% a Uset honest-service 0; {& d* O- ]3 r6 S- p& L/ h
7 m% u9 ^8 J% t& \. H- B/ y* T L$ ]set unhonest-service 0" p; z; O4 p' Q: y8 h: I# O+ K
7 o2 l8 c* |1 S; d% a; r, _5 Q2 T Rset oscillation 0
* \ K$ a3 z6 M( e; t0 Z2 H/ n( e P: @9 h( r
set rand-dynamic 0
" v+ A4 L2 D- z+ T- ^end0 u1 l$ k8 g8 ~" ^8 Z+ C8 S
7 S) o2 Z1 O( M8 H1 Q" \7 b( ito setup-turtles 9 F; { s( P9 G& [
set shape "person"4 k; H& u1 Z+ ^9 n6 X$ N
setxy random-xcor random-ycor1 f3 P- N, s6 W; M# B
set trade-record-one []
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8 s N. l$ ]; O ?2 c' uset trade-record-all n-values people [(list (? + 1) 0 0)]
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3 }8 l5 d+ \' Q" ?( u) @$ aset trade-record-current []# {( m( a9 p+ [+ F+ H# T/ J5 W
set credibility-receive []0 b) s. q L% y
set local-reputation 0.5
% f/ i+ `! e3 F; T( hset neighbor-total 0
) Z8 r4 K! ^4 D( Fset trade-times-total 06 B4 ?, w6 B' J9 ^$ b
set trade-money-total 08 Z, e( c7 a% v
set customer nobody1 m& [) ~ d( ~
set credibility-all n-values people [creat-credibility]% x- e( W/ i: n' B
set credibility n-values people [-1]
3 e5 _% D7 f2 Qget-color1 w/ d1 T3 }9 r7 z+ \5 v
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end
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to-report creat-credibility1 P+ g& J+ n, i2 ~! y
report n-values people [0.5]
3 L3 @8 u, e+ [1 jend
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# {: z9 ~6 Q: D: c0 ~to setup-plots( `8 b- y0 `' F U# }& @, k5 M
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set xmax 30
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+ |, v( B5 R+ M+ Zset ymax 1.0
2 }+ H4 o" V: u8 s9 r* V3 M, A4 v' Q/ r% h( e3 Q
clear-all-plots
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setup-plot16 D& [# O- D; Z/ g' L
3 o; G* h* i5 g" s+ D- F# nsetup-plot2" [! E! S3 d; A" E! q6 a( b
; [( h, Y+ e+ }3 x; e' C
setup-plot3
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4 m9 H. U R0 o7 V: |6 H+ H! { l. ~6 \/ T+ T
;;run time procedures
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to go8 t" w& S, l! [1 i% n$ F& k
; r! Z# n4 `" w2 k0 \( Vask turtles [do-business]
: x1 r) ~( z; b: G0 eend1 {# J8 [' }* n* N. h
* o0 l3 H0 s4 T+ ~! K- A, ^3 T
to do-business
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# s" n( h5 q3 N6 z$ \4 T, ^, ]rt random 3609 q8 X7 _6 R6 R0 s" ?# L
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fd 1
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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# ~8 S7 n$ {) F6 P" i6 O0 m;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
; [% \; X# \/ ~3 g5 \2 |; _+ J! K[trade-record-all]of self7 m% i, V4 ^/ V8 l1 Z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self, b( a: A( o6 h0 K. \& Q; W1 p
. l9 t3 {# W, }) v9 H- k( g
set [trade-record-one] of customer item (([who] of self) - 1)* ^8 j: A$ N, z l+ ?/ a3 e$ H& s
[trade-record-all]of customer
' u" y4 t+ |: ` h7 x: J+ j
I Y% {; {' `& r& D; cset [trade-record-one-len] of self length [trade-record-one] of self9 i+ D3 U- E; X* L1 T: s3 _
`2 ~6 w; P0 C+ w+ W2 }4 ]- Jset trade-record-current( list (timer) (random money-upper-limit)) K$ m7 M9 A/ b, r9 H0 D n
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ask self [do-trust]+ b" A: x7 g+ y. `3 x% }
;;先求i对j的信任度
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if ([trust-ok] of self)
3 i) ~ ]- |8 ` K;;根据i对j的信任度来决定是否与j进行交易[5 N* V5 `0 f6 r% X! o
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
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. o1 @5 h$ s2 E" s& G" K9 B5 |do-trade
; @ P! f& t5 V* N& e0 `' W5 u8 \9 d+ P2 ?7 g% n6 e7 d* N! V( ^
update-credibility-ijl
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update-credibility-list
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. e. x1 f6 Y) x! b8 tupdate-global-reputation-list
a( m- a7 j q, N6 a
}/ o3 f$ r- x' J6 ^poll-class6 ]8 h$ b& Z1 d! }
2 e2 {+ Z2 |2 B& N( O1 n
get-color
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]]
, E0 R4 j- x% `' Z7 H0 g4 f. P u3 G- q! Z+ `0 a
;;如果所得的信任度满足条件,则进行交易
% c( j) B# C- R4 [$ ?0 _" \ G6 c& q4 E( b
[
2 r5 |% ~$ r5 Z! g2 ^/ h
8 B9 ^( {9 ? r3 j0 Z' Prt random 360; q' r3 v- S4 M3 V9 Q! Q
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fd 1
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5 {# ? X+ f4 C]$ m1 h. C7 ]% \% a; F( \
5 E9 I5 P6 j, g5 O) Tend$ G* r" Z6 p" A. |
, ]0 a6 C! J; i. [to do-trust # C( C' q W4 V
set trust-ok False l8 d0 I7 R' Z! L8 F& _, r) |
6 U2 N' W- v' C w- p) z
3 M# E$ W; N" J' z; [let max-trade-times 0
& |" F. ^, F F1 I2 o( Gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]' L. j' G* y3 g9 d6 s! ]8 n
let max-trade-money 0) o9 d7 @; @8 [- x8 p
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; C: t( ]1 n/ Plet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))2 K) T8 w) A0 q& _) P3 H
! T( _4 F" g0 ~* y
) a& w! ~2 i& H9 G& j5 b. ^1 S2 nget-global-proportion
; D1 B" M# h' N4 jlet trust-value( z- r6 s: V6 }
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)
+ S7 w8 E" {3 e8 F9 Q4 Qif(trust-value > trade-trust-value)
6 V" R) J e2 U4 F) Q3 B[set trust-ok true]8 w. W( n+ d0 Z
end! ?0 _0 u- a( s; W: d
: z* Q$ A0 V8 R% ?
to get-global-proportion' g% U( |# }; l. F
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' X2 I J o! F' U2 V3 I$ l9 e[set global-proportion 0], u* i$ ]$ ?" V; e
[let i 01 ?7 }. K& \& {: x
let sum-money 05 T5 l9 |. j& t/ W6 R' U; @2 Y
while[ i < people]' Y( ]0 d7 }/ v/ {" n. F
[9 f* ?+ a( H! j( T
if( length (item i
! a: }7 d+ ?: X2 d[trade-record-all] of customer) > 3 )
# i! `$ z- \. I[
5 s S$ Q$ R* U" L0 uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))2 U$ i) G; V0 o
]0 t0 v# G& n3 H' x! p5 [7 R
]( F9 T9 r: Q# p
let j 0" h- h/ d; ]& k+ ^' ~: z
let note 0% I" K( v" t! U8 w
while[ j < people]; E9 S# F8 I9 o! C# S
[" h9 Q- m* }7 ~& u( B1 d& R
if( length (item i& r9 {% X6 x( O1 Q
[trade-record-all] of customer) > 3 )3 N. V# v2 s' G6 Y$ O0 Q" ?
[" G/ \, O5 O$ q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)" O% \) w, J* P# T
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]0 X8 ~ R8 _4 u- \: H0 T) M& Q* M, s
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 d9 N- H K2 ~8 g8 Y* Y9 L C]
" n1 S2 z8 }0 D/ h" ~- z]0 A8 ^) v8 s8 s( n' |" c% }3 i
set global-proportion note
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end. t6 `2 |( I9 x* [9 k
( K6 N! ?+ V" T, ?+ ]
to do-trade9 ~9 j/ L+ f. J
;;这个过程实际上是给双方作出评价的过程$ {9 l9 Z( k. H: a8 G8 \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价# ~( U2 B5 X& Z+ U ^# b# B
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- X4 k7 F$ p- M& F$ }" l+ i
set trade-record-current lput(timer) trade-record-current: {( M; p, B+ c+ F) E. j8 b
;;评价时间8 s3 Y; m; {' |0 ]1 u; J
ask myself [
7 f0 K1 q7 Q$ [/ q/ Uupdate-local-reputation
7 E& s4 }7 b* {/ X! M3 {set 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% F2 h. M" @2 m% V
;;将此次交易的记录加入到trade-record-one中. ]3 o4 x+ q6 ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 V& W! i# Z/ }let note (item 2 trade-record-current )
6 u* { t D5 k0 K$ j# Bset trade-record-current# h! Z) Q6 u. o$ {
(replace-item 2 trade-record-current (item 3 trade-record-current))6 k) W' t5 [* u- V: `
set trade-record-current$ j3 B8 D% }- c0 O4 X" Z
(replace-item 3 trade-record-current note). K8 _! Q4 Y, b, }: _/ ?
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% K$ L( i9 y, N0 E6 q0 e% g; u. sask customer [
2 O0 _, ~' ?+ J9 Supdate-local-reputation- S4 j9 Y4 H% E+ l0 v h7 [9 _( s
set trade-record-current
: |: `, v) G% }# o: ?0 M; z0 ](replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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( x3 i1 z3 L" u* }9 ?set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% S/ K3 U- F d1 b8 D6 h" @
;;将此次交易的记录加入到customer的trade-record-all中
' n5 M0 p7 T# Tend' I- r7 `+ I9 d3 S. `/ M7 \/ ^& ]
3 O8 z/ U0 d1 g. d1 Q. c9 F0 e
to update-local-reputation6 `1 r1 O1 w8 c1 l& E. V1 b
set [trade-record-one-len] of myself length [trade-record-one] of myself
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4 k, [/ d! h" R4 V1 Q. x2 v, H;;if [trade-record-one-len] of myself > 3 # x" d w, `% ?2 ?3 w3 {
update-neighbor-total
7 M J" |+ m4 |* n( A N) ^;;更新邻居节点的数目,在此进行2 R) | [5 W! F9 Q9 x
let i 31 i4 p8 Y- b" u9 Y. L6 w
let sum-time 0; c! z" r# ^, G2 c
while[i < [trade-record-one-len] of myself]/ I9 s" A$ r; x. a" j: \. d0 D
[) `* n2 k! N1 ]2 O' i- Z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). M; v# w4 z g; K K
set i
: ]4 s+ P* W# }# D6 t/ N/ w3 {( i + 1)
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let j 3) E# I, P5 s9 m: H- M1 s2 J
let sum-money 0
7 i e& J6 ]& Bwhile[j < [trade-record-one-len] of myself]5 C, K! b4 ]* {/ \$ G, I# P& D2 X9 x' x
[
" Y: A* G" d0 Z% J) x1 Mset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)( Q; z+ h0 B. R, z% @
set j6 E' ]* t/ K# S: G" |) m6 }
( j + 1)
) v3 ~' E8 t' ]; I/ c]
- w$ z$ ]! {; F z) hlet k 3
/ z" n& q0 o0 H' ?6 {let power 0
$ o' e3 c0 S' {0 l+ \let local 0) S8 h/ |8 m1 @0 Q1 b, p: z x
while [k <[trade-record-one-len] of myself]2 E$ y# }6 ^0 g$ R
[3 U( R% [' l- b: p: ?/ h
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)
4 d/ ?- m) M5 ^/ z& jset k (k + 1)5 Z; u+ S; {4 V Y: h
]
0 i; A1 ~$ Q- vset [local-reputation] of myself (local)0 F- `' x2 `3 B4 t; N
end6 L% t/ v% l' R8 W
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to update-neighbor-total
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% U! M9 r) v" O% n& \if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] |( b5 o4 `! Y% R# T3 X, [
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end
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to update-credibility-ijl 7 K0 p }. d. m1 k3 @ e/ l! S: v
& A+ M; G0 c/ m6 k* K# @1 o0 q
;;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。3 M/ m# o, w. V3 [% L( g
let l 0! c$ I7 @+ X$ W4 U
while[ l < people ]& v* p5 D* Z0 @$ G- J+ P6 A9 [: [
;;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
6 i: }, B2 Z i4 c2 j2 Z[
* X0 z+ B- O' R( Rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' u; z5 y1 h, Zif (trade-record-one-j-l-len > 3)! ~. K3 @, c$ e5 m" j' d6 @
[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. k5 b# M' Olet i 3
7 B7 c- Z7 X$ q/ ^7 Blet sum-time 06 Y% S r0 |4 K& g9 _
while[i < trade-record-one-len]
( t( P8 z7 _, V# M2 H7 n[
2 o" x1 I% Q* w' F1 R8 yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) N" |0 [* x# W) ^% l% t
set i
7 }8 T& J& f# b6 L) u$ z( i + 1)4 P4 p6 i5 |. h. d0 ~* U0 l" e
]3 {/ b- J" E$ W$ y2 r( k3 K
let credibility-i-j-l 0
( W/ {7 `7 ? o! U+ H7 y, E: X$ O;;i评价(j对jl的评价)# A. W3 _+ c* u! i! O; O
let j 3
! y! O5 i G$ {. P3 }* Llet k 4! O8 `6 V6 v+ M
while[j < trade-record-one-len]% p* L1 ^; u/ M9 c
[ y- A5 X* \( 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7 B% A1 Z. j- c7 B( A& A" ?1 K
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)7 U7 z! i2 h4 r: t& W0 a
set j
& J% l) h( M& a5 ~4 T# G9 y1 y( j + 1)
: _ ?# M1 @$ ?' w. G) x2 u]) x7 @& d' u9 ?! K# m
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 ))& R8 S- P) T, Z' J8 i) R. a
7 v3 n1 Q* G/ x+ h6 u( v N1 G
: O" K8 i1 o( U" w1 E6 U- @let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
: P. q9 d2 N/ {( L+ M8 ^;;及时更新i对l的评价质量的评价3 `& m. l0 O% Y
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
; H8 J7 m2 x) a- fset l (l + 1)" o+ E' p" P' \7 H" |" W/ q1 z" S
]
* q1 f Y W. xend
: N( v8 |3 K7 v. e, A5 @! B! d/ [! r
to update-credibility-list
) e/ R. K* `7 o, C$ L. Vlet i 00 A" Q* |; b1 |
while[i < people]& y" H; t$ t* A& L8 b& D
[+ R5 |; Y7 a. p' @' |
let j 0
, v: B) Y' n m7 flet note 0& i2 P" H' T. x8 w: l( e8 ~
let k 0
5 n0 ]9 c9 P S9 G& y;;计作出过评价的邻居节点的数目- R( G$ g4 n) y# m; P' V3 q: e% c
while[j < people]8 n4 x8 k R2 o C0 n& U( O; l1 g9 r
[' o9 Y! I6 P. j( h8 O/ ]
if (item j( [credibility] of turtle (i + 1)) != -1)6 K7 x* V& s- Y3 u
;;判断是否给本turtle的评价质量做出过评价的节点- m. S9 X1 F+ D6 M
[set note (note + item j ([credibility]of turtle (i + 1)))! o, A: o6 u* e4 n
;;*(exp (-(people - 2)))/(people - 2))]
! C" Y/ M3 y0 N; }, Gset k (k + 1)
) D# h( F7 U; N! a# r]6 T3 Q) k. q7 u0 z6 O0 |/ N9 t
set j (j + 1)
* T) d* w& @; h' i: X]" ~1 J# m4 D ]: Y, s- o
set note (note *(exp (- (1 / k)))/ k)
& C, _2 e! P0 h+ qset credibility-list (replace-item i credibility-list note)6 z) D3 |1 q. _
set i (i + 1)$ B" a3 `: L) Y/ s- I3 }6 L
]
+ e4 j& r& l6 Z/ T3 j3 l3 H/ Zend; y/ }4 I$ d9 I T+ |
% \4 V* w* M& _& Z' B( @; {to update-global-reputation-list
# O5 ?7 `2 \# [7 r! N: E1 F0 dlet j 0- M& y& U& E+ ]) x8 p4 h+ _/ S2 \ _
while[j < people]
1 o. V! N9 S. u3 O5 B6 @" s[, |7 R) C; t$ b1 n
let new 0: ~( e3 L+ Z& B6 A
;;暂存新的一个全局声誉& o( Y: i, E! @8 F
let i 0
) y' K2 t* x) n g2 `* ^/ Wlet sum-money 0
6 j8 s0 z; _' T6 ylet credibility-money 01 V1 A3 T8 `. o
while [i < people]
& \( o: i) Z' R: m/ c0 {[
4 J* l& z1 F N( v$ V: D6 M& ^, hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))" _ ~3 F# k) t9 a6 w7 F/ `! M
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))3 @' v& R4 ^2 R! D5 {: U. ~1 Y
set i (i + 1)
5 ^+ K/ a# o0 A2 Y5 ]6 n]6 z- x! R, [5 l: i/ s2 n
let k 0% `1 Q3 b8 _# Z
let new1 0
* o+ j; C8 j K' p8 ewhile [k < people]
6 g3 j J$ w1 H% |+ V3 w[
* ^+ e/ O& N! ]1 {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)
4 e4 {5 m" K% E; H/ aset k (k + 1)
7 s+ Q. v, r6 ]]
3 g( y# y3 B( V# A, @! [* Aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
8 R! O$ Z1 b! C& ], f3 C/ |2 Sset global-reputation-list (replace-item j global-reputation-list new)
; A* c6 ~' }6 G+ {, qset j (j + 1)" Y4 [- u2 e7 N
]0 m6 A' Q, \# l# {% ?) R" m5 m
end
; @# j0 T6 P; s$ L2 b7 z. r9 d
6 J* _ \( _( _7 L( v; L
# \% r! n" k; J- e4 @; m! k2 U2 q7 q7 U
to get-color7 X, n" @) p1 E \) {! P% ~
; Y: B' R/ ^8 V+ e/ h; O7 h1 G
set color blue
8 ]* B' K3 ]% A4 a y+ kend
3 `2 v4 W0 q% h3 z# X6 q4 u' |6 u4 _% `
to poll-class( W$ G; G% v" Z3 j+ ]# y
end" p) l! C; T7 [ }
5 \" v& G0 o, |% @2 yto setup-plot12 W; H) u! Q$ M# S$ C1 l
/ b+ t( C" |5 ]6 X# T0 c, u% Iset-current-plot "Trends-of-Local-reputation"$ B) i& C: M5 |1 h% J2 Y
A! F: b8 `9 X- N; ~
set-plot-x-range 0 xmax) T7 R- Z v& m6 Z# a3 ]7 a& ~
; F p/ M3 @4 `- L* o+ c$ a' o
set-plot-y-range 0.0 ymax6 F3 j6 @% J# J7 C' O- h. c
end
2 G8 K+ a$ B; P) g% t+ t5 b1 z
% ~8 S8 {, [/ Y8 j/ e- ?* bto setup-plot2! L2 \( \9 p* p0 @. l
: T1 ^/ {. d Nset-current-plot "Trends-of-global-reputation"6 @4 b! e$ Z' S
- B- d; C- Y! P9 N d# W
set-plot-x-range 0 xmax) L: D, c2 y+ X, h* m7 q
5 q6 m/ }- B: p) l' ^set-plot-y-range 0.0 ymax
. u" s" D% Z# B+ G @end
* y7 V; y* a3 _% v0 h/ e4 j; h& g6 |5 W& l
to setup-plot3
; u- }$ A& a n2 J, y$ G5 p
! r: U+ U2 U# v* c; S$ cset-current-plot "Trends-of-credibility"
2 D C4 d. e, D" Q& w. f# V+ E9 v- q* u
set-plot-x-range 0 xmax
- u8 c- o, \6 a: A! }4 f
8 d' q* c% Y G* l- Rset-plot-y-range 0.0 ymax/ p2 r8 ?* Q2 |$ t. T+ o; ?
end
: }; M9 X2 m" t+ u8 n
1 ?* G# N3 B6 a1 nto do-plots
6 ~ V) b9 E$ lset-current-plot "Trends-of-Local-reputation"8 E x6 H" N$ c; ~# i& S
set-current-plot-pen "Honest service"
& v) c! Q+ L1 l1 S# Wend* b7 G( G: _$ X+ ]2 O2 B
5 H/ ~) C' \1 r d; y: H2 X. L[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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