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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& e3 X+ q( U! V% _' b' z- G: }
globals[: b( g; c3 M* Y. \! w- ]' L2 j
xmax1 B$ t/ V! ?0 N0 M
ymax y* l/ a: e0 i) p, U
global-reputation-list: F+ X1 G+ T2 _. a2 H8 @$ S c/ o, K
4 p# t8 C3 q! `9 D: d;;每一个turtle的全局声誉都存在此LIST中8 k2 C# W( L; M% k1 I
credibility-list) h$ C) j" \& C4 d7 a
;;每一个turtle的评价可信度# I* K8 q6 ^( b# H
honest-service
/ i& V$ Y A0 o M9 Kunhonest-service. L m% f% v. v, O
oscillation1 B1 a0 R9 a' j" m9 l5 } r; m
rand-dynamic' d" B. |' v: g4 d/ s
]* z) R/ o9 a1 H0 E0 w% K9 y
9 p, D* I3 m% H& Pturtles-own[
! D' q! @( }2 D0 ]. Ktrade-record-all2 P0 N0 `) _) n' J$ F* Q9 t- Z
;;a list of lists,由trade-record-one组成
. Y. \1 c; G# ?# [7 ]trade-record-one
( P5 K# k, \- M5 k1 `% ~;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录1 M+ x( A7 Q3 k5 A& B
# ]9 [. T/ a- Z# n9 A2 _8 p;;[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]]
/ v8 S* g+ p* H l9 `3 Rtrade-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]& x3 N$ Q: p. w( O# v& H, h1 U
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
0 \* z7 x5 h0 Q! M/ eneighbor-total
7 t! l3 I* \8 l2 e S) r& c8 Q;;记录该turtle的邻居节点的数目2 Q0 t' s0 U( d& Y8 E
trade-time1 g4 B' |+ r Z, F0 [' u: P
;;当前发生交易的turtle的交易时间
3 u- [ x: E( {( |appraise-give
% Q1 E2 C. a. X Z% i5 e;;当前发生交易时给出的评价/ A- {7 q% D" |$ K' B
appraise-receive
9 m t9 ^" A! k9 T;;当前发生交易时收到的评价$ R( P+ r) N% _2 k) u
appraise-time
: O% k% h" V$ z0 g# Q. y- [8 {;;当前发生交易时的评价时间7 I) ^9 v- l' o+ N/ [& q3 G
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
9 d: k# J5 `) E6 F/ U7 rtrade-times-total
" D! r& t% l5 _ o* ~;;与当前turtle的交易总次数
( G. p+ |- f1 a) Btrade-money-total
R! ~0 {! X1 @+ M9 J5 Y( J;;与当前turtle的交易总金额6 y! Q$ K- q: G6 r" n
local-reputation% z( M2 p8 u" s
global-reputation4 Y0 X9 q& Z e, o/ V+ m
credibility
( C* H& \; e4 `4 i;;评价可信度,每次交易后都需要更新3 L |& ?3 p3 n: d( g7 Q4 ?
credibility-all
. u/ E0 w4 o. a5 a: 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
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! P8 A' n% g$ n9 d;;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& t0 K! _8 ?* ~* A8 y! [
credibility-one6 S% i, g/ r7 l' @/ n' q' w) N( L* n
;;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
3 z1 P7 ]: b9 F4 t! `global-proportion
7 P: q* u5 |) y$ O& [customer
+ R) K2 O$ U3 w v6 ^customer-no u- o# P% X9 d, h$ _
trust-ok
$ S L) k5 K% H/ r. F" x, q# k# }trade-record-one-len;;trade-record-one的长度
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% C; p0 j: C" J+ y9 Z H0 f. J& D
;;setup procedure
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to setup
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3 U8 ]; ?& ~4 l1 k2 u' c5 v8 Fca* D- X' U% k- Q2 T
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initialize-settings
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' p6 g% p9 K/ y Wcrt people [setup-turtles]# W6 e. O, A c5 @- V' L5 |( u
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reset-timer
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poll-class
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+ _' H! e$ N# M9 P' m' J5 tsetup-plots: ^, m1 [ {4 v) a$ c
# Y' q! b* k4 W) C4 Y9 }% Qdo-plots- t% z! c3 Z6 }) K. z
end
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$ o' s; ^% r2 h Y7 [/ Pto initialize-settings
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& x, {: T! p5 Wset global-reputation-list []$ [1 a% C$ q9 O- m- F4 I0 B" |
: `. N7 ]7 M) P/ D& h' `+ m8 S1 s, Bset credibility-list n-values people [0.5]/ \& P( }! Y$ t
* s0 \5 R0 B1 Z& I. E: V6 v
set honest-service 0
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" }+ y! k3 L* P0 c: u5 B% Aset unhonest-service 0 [3 Q& G; a9 A7 D# G9 c- P
* q1 j& g" E2 r- r2 _& cset oscillation 0) _9 I6 p5 m) j/ c; u- v0 v9 E
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set rand-dynamic 0
0 g ~8 J7 w- N& Q4 Tend' g/ |8 b- R3 H0 @5 ?/ D0 P
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to setup-turtles
1 g$ h; G$ z4 j) {8 ~% F1 V( qset shape "person": L+ s5 n+ C. _# U3 }9 a3 ^
setxy random-xcor random-ycor
8 W, r1 c/ b0 R Sset trade-record-one []/ u; x* i: ^9 e0 q# t8 l3 b
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set trade-record-all n-values people [(list (? + 1) 0 0)] % c& Z/ r! e) t
3 Y0 I! g7 }" B) Q6 Q$ Q) k. z% ]set trade-record-current []6 r V' S ]7 i+ F
set credibility-receive []
# a+ H8 u i p9 R8 Oset local-reputation 0.5
( B- d3 s. w- k, e2 T! T" kset neighbor-total 0% L5 c7 S5 ^6 ?, x* u4 H
set trade-times-total 0! X0 i0 ~: z( u: |7 S
set trade-money-total 0. j7 \- _6 s p/ I% O
set customer nobody
$ l K9 ?2 c; aset credibility-all n-values people [creat-credibility]
$ h2 p: f. k' y) ?: @" j! g( jset credibility n-values people [-1] N* X- X$ V5 |
get-color
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+ o5 p) T, j1 E4 U: e. J2 O- vend
( ^, m. l2 R/ z$ t; `- u
" ^- O. j, p! \4 x& W; G6 r) x7 pto-report creat-credibility+ g, g) ]# D# B; v0 M
report n-values people [0.5]
" {" `2 V. l$ `+ a! j/ W* Gend
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to setup-plots: h) S m' [9 X% K8 k0 F% p! ^+ c4 w& }
$ [' @* i+ v( b7 U" }6 M% T% w" Kset xmax 30
& g I$ {. B5 I8 c% D! w! A+ `" T, c1 A [3 a
set ymax 1.0
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6 d2 |1 A& R, g- m) y' R+ z v' `* dclear-all-plots5 q9 T: W( b- a1 o6 V
$ ~* H; c# I. v; f$ U* d
setup-plot1
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setup-plot2
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! X/ D5 O2 i# }8 \( ^& Xsetup-plot37 ]9 f7 x2 K5 |
end
/ ?) o; F7 l" W E* _% F* h1 Z! N- @% Y7 D% j4 [* p
;;run time procedures
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+ h. Z' V+ y$ P9 Tto go
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5 I: s4 K& s9 c( K% `8 Rask turtles [do-business]
& J* l T3 M1 b+ zend" y( w) ~- }5 f$ O, U1 I$ V* _
, {( g; t* r# }8 J2 h) h; h# kto do-business ! v ]7 @9 t, s; ^
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7 E7 {! Y0 {: p# }3 lrt random 360
0 ]( A1 @( a+ h4 V) Y9 B8 g
$ ?; {% h. t5 k ]# ^/ K- ~$ Dfd 1
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& X1 A, {% [+ X& @ifelse(other turtles-here != nobody)[
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4 L& U. L" S) I4 t- T* k& @, ` Yset customer one-of other turtles-here; y! Y% I0 f% R: E4 Q& f' U) e
. B5 u/ H, D# {& f: u* G;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)4 N9 t8 M4 D2 p' {1 t: V( Q4 z
[trade-record-all]of self
6 q9 R6 [! ?" {+ ` };;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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5 r! @, M, b" `set [trade-record-one] of customer item (([who] of self) - 1)
9 O% h! s% z6 R/ P' q& y' i[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self! F) |' s3 f, @. j8 j" y# w2 Z; l
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
9 W I: R& n) a" M# q& N;;先求i对j的信任度
6 ^6 P# c, G4 D' D4 ]
4 u: e/ x/ U [* }if ([trust-ok] of self)9 ]: F" k) A; k' \ o
;;根据i对j的信任度来决定是否与j进行交易[9 o! b$ _1 w& P2 P% d
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) V1 ?# i8 x5 K, t7 W. W0 e
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+ q5 J) `; H7 u& l4 r1 Z
do-trade* u- {+ [- G' q$ _2 P2 w
+ B) e0 y) Y& s- ]' U! w9 f( Bupdate-credibility-ijl
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! L6 R$ I2 [! O' x# iupdate-credibility-list5 D% y( [/ j6 Y i$ H0 f
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/ J e9 b4 h+ |4 Eupdate-global-reputation-list# K, h) j1 g2 E A& {
# x0 F' o9 h) ~: o2 u) D( j% e$ cpoll-class! U/ o, ?/ ~6 t- v4 L$ W
7 _% F4 ~/ A( E; ]$ W/ k; G" I0 j0 J Nget-color' w2 }4 j' K1 Q3 E2 H
7 a' q) t+ j; D% g]]9 F3 w2 c# L1 k: K4 ^
9 U! N. Y: M5 K `" N# d" x;;如果所得的信任度满足条件,则进行交易7 i/ _6 q- |. d! N9 ]) q. B
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[
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, N6 k+ p% {% Hrt random 360
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fd 16 |8 J# b* m* w0 `3 K& P( u
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8 m3 V. z: D' uend( U) a/ m9 y. R+ p: a1 D
% ?' A3 j6 ]& I4 T, v5 |to do-trust
+ w1 V0 n3 S& ]8 i, b3 Uset trust-ok False5 y3 N v3 j3 D8 a, }' @( [# E
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- ]* N- c1 \* k& E4 S# Y/ n4 P2 dlet max-trade-times 0
2 W6 P# q# r7 t3 I6 H/ K1 Zforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( c7 s" r( B) u
let max-trade-money 0
: B8 ]3 O c! X& }2 y3 Qforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) F" C, l# W7 [( [. Llet 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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- t+ W% k5 X/ J6 D/ ]9 X$ U) w: b9 qget-global-proportion
3 I- S4 e& Z8 ]9 blet trust-value" R; u# \9 [2 y8 u7 u$ @% @" x: v
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)8 N$ }4 `7 M# T4 Z& ]
if(trust-value > trade-trust-value)2 F- _$ J O8 a7 k; B; {7 U
[set trust-ok true]
, p. Z8 Z! r. ~6 x1 u- h( ?end
6 w9 d% s& ~+ L6 J' ^
* g6 {# r, S$ i1 qto get-global-proportion
( M4 R- m2 ~* [+ D) vifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* ?7 ~$ K9 a3 O ^3 f8 Q[set global-proportion 0]9 v+ D0 ~8 H5 e
[let i 01 O a, r7 n9 }1 N7 J
let sum-money 00 f G: X9 v8 X. T, R( s
while[ i < people]% ?4 @0 y7 i6 j
[% F: u* Y9 L4 B0 j" \8 T
if( length (item i
+ ~# Q/ _0 Q8 T& \' v. H2 i7 R; w[trade-record-all] of customer) > 3 )8 G! f& ?" h, v
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set sum-money (sum-money + item 2(item i [trade-record-all] of myself)). q0 ^3 E3 m/ W& g% x( B) r
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]
. f" {/ J/ s" ]let j 0$ V' c- X; O: h+ f3 K m6 V9 ]
let note 0+ B/ B# v: I0 F! o
while[ j < people]* ?* F8 ]- q- v
[0 ?2 t. F' X. ?7 Y* d$ _
if( length (item i
% T& W- V2 n$ E& k4 o3 y[trade-record-all] of customer) > 3 )
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ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
" f( S9 O7 ?" k[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
% \2 A+ U8 p) W. x2 S" H[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. V* C( C* g U6 Z2 X7 `
]% e6 D0 f! R2 b. l( @5 y
]; ?4 K* |+ C1 c7 d) T* ? M/ [
set global-proportion note
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% G6 O6 b- e3 c% K( E _, j2 Kend& h2 D& Y. A3 D8 T: G; S3 g
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to do-trade
& W j! e9 h3 x$ @/ z# L- H;;这个过程实际上是给双方作出评价的过程$ d% @5 D4 {: d8 q, w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价+ @- }% H! H+ d' C3 ?3 s A
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. u7 a' E7 ^2 |1 w8 v1 X2 s9 X- rset trade-record-current lput(timer) trade-record-current
* \6 T$ h7 \7 g2 Z;;评价时间
$ @# G# @ [( [/ w2 \1 Q8 f Hask myself [& H- @: v: c. G3 P6 I1 [" I
update-local-reputation c1 l% x. f3 x
set trade-record-current lput([local-reputation] of myself) trade-record-current7 W! J, j y. |8 [: W3 y* D! O; A
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set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
! D. C1 x4 F7 n2 i# q;;将此次交易的记录加入到trade-record-one中
% H$ }. U: v4 T* H: ~2 tset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# O+ e4 t+ e7 W. D" [7 o; Z3 blet note (item 2 trade-record-current )
# S- J, | ~. a- tset trade-record-current
7 ~7 r1 l# W# R! p4 M9 S(replace-item 2 trade-record-current (item 3 trade-record-current))
5 g+ i. p( N& w1 P4 ~set trade-record-current+ g5 `! ]2 x$ A% [4 P1 V/ z
(replace-item 3 trade-record-current note)& W5 {* H! t, u( d6 I( l- Q) t* S
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0 l7 }2 h0 H, l# Q8 bask customer [
0 @' Z2 U3 {- dupdate-local-reputation9 f7 ^ z- s6 v1 i1 c1 a4 T8 w) ^6 X
set trade-record-current
. k+ @1 K1 y9 j4 d$ ](replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + c- K" B/ R/ G
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 o- k( T* w$ g8 q7 V/ J5 K4 c; L
2 R" V) m# Z7 _* ?set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" s5 S: l; o/ O8 h, g, S& j1 J# y
;;将此次交易的记录加入到customer的trade-record-all中2 ]9 T4 I; ~" b6 W7 k8 F
end) _2 v0 p: t3 h5 {
% g3 C9 N% [9 S& e D2 jto update-local-reputation* _3 T: E: y: a
set [trade-record-one-len] of myself length [trade-record-one] of myself
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+ b1 U3 _0 ^% s* X. r
;;if [trade-record-one-len] of myself > 3 " L3 n: n B+ R# g/ w. x
update-neighbor-total6 O% O8 s1 }/ [: `/ b
;;更新邻居节点的数目,在此进行
7 A5 ^2 L* m0 C& g1 ylet i 3
% Q w* y$ V7 g5 L1 ~6 Tlet sum-time 0
+ y {! l* s5 T. W0 Rwhile[i < [trade-record-one-len] of myself]
: S3 [$ d( [4 f; K* W& _. x$ W9 J[6 ?" ^6 f- B! p. o! [/ y/ b
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ), x6 a/ J1 L3 q+ i% j
set i
: K6 y7 u! g- _$ e% v( i + 1)
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let j 3$ ^; l' R- ?5 P! b
let sum-money 0
6 k* C/ e- s4 d+ Wwhile[j < [trade-record-one-len] of myself]+ ]" d$ |; m! M9 h9 u( P* ?8 p9 R
[, ]- u$ q ~7 G' q, X& L1 ^1 `
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)
* x+ |: N! f0 |/ Rset j
* w: A+ [- m% z) }( j + 1)# V# u5 m& c0 l) @( k7 n$ C; Z
]$ D/ T8 X x' a8 A6 R4 m
let k 38 ]! [4 ^& j G+ x. r, Q0 V
let power 0
g6 T: ^" L- R% _let local 0" ?% O/ t* C# k
while [k <[trade-record-one-len] of myself]7 z0 d8 t: `$ ] i7 m
[
! {' |! s" P# \. uset 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)
6 \) b x* E6 N/ p/ Oset k (k + 1)- b7 \# \) w3 B8 }, k# h
]
6 b/ h1 i( T: k" \/ vset [local-reputation] of myself (local)5 e2 z* y* s3 h8 q
end
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to update-neighbor-total
+ `: A7 V. k& N/ k) s
- {3 t. y+ R3 p" Zif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]2 p9 g+ L) i7 P% ~! l+ l1 t4 o
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end5 R" ^, [, K; s9 @% _5 M' ~
4 v! J7 z0 T' H% @to update-credibility-ijl 4 y# G; a/ J% A3 E! ~7 ]3 T0 s
# o% @- T5 |9 Y# U1 A& 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。
- o6 T! [' x4 S# V/ L+ I0 ulet l 0
6 X/ C4 T9 M4 V& Y' {2 E& g, ywhile[ l < people ]
7 M# E+ m* l @( ]& j;;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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1 T# C7 W- @0 t* N5 Plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)! a! h/ K0 N( f9 Q; U0 _/ d
if (trade-record-one-j-l-len > 3)2 X: J, `4 h$ r6 P
[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
+ ?7 A/ z( W, G5 Jlet i 3
5 M- [; }& _7 n7 ]! q& Zlet sum-time 0
4 q3 ^8 \' _2 j j$ qwhile[i < trade-record-one-len]5 e9 N- w9 q/ L7 O# ~0 F/ M
[
! @5 U6 p; d- tset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
' p3 `1 J7 x( v3 r3 nset i
5 S% {, m# y& }1 E5 q( i + 1)
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let credibility-i-j-l 03 y- Y# d* b! y! G
;;i评价(j对jl的评价)$ w+ x; S* a- c4 h; }! q9 b
let j 3! E7 H1 h8 G) w# p3 f H
let k 4
+ U( m' F1 `5 |2 X, S% i# u+ R- bwhile[j < trade-record-one-len]
* w+ F0 u# y p$ t, k2 v u[
7 O: H3 @2 w6 U, q) 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/ H D; h- {) E# R
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)+ E( N* J" w, u5 \
set j
4 u, @$ A. X# A- B( j + 1)
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( U9 P" f9 N# X, a- lset [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 ))* t; d( m3 z9 Q- a; w R6 D
7 c8 ~" w) `8 g" F3 v- ]
3 [% R$ P) I: q7 S X/ Nlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))$ s2 f" B- l# B; \0 I
;;及时更新i对l的评价质量的评价
1 {' j L/ T% Pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. }6 f9 R7 }# k' a! K9 B
set l (l + 1)2 I3 E) @- q, J/ Y
]
# l! o/ @- v) \3 o; W$ _end) X+ }; k- v A
5 w& ]: o, s* b4 yto update-credibility-list
6 Q7 j9 ~( X; n, wlet i 0; R( \. q% C; b3 X; h R
while[i < people]! C" H% C+ `) k
[
4 D; Q* u/ q; o% A) {& o, X. l, jlet j 0
. b8 q; E8 i" olet note 0, R6 |: z8 {2 D8 q2 _% Z1 d2 M
let k 0
* t# i9 {# Q+ y9 _/ V/ P% ]. O;;计作出过评价的邻居节点的数目6 a8 h* z$ j1 N/ _
while[j < people]
1 E; q7 c* Z3 U+ Z% y[
3 |. ]6 g0 r" Rif (item j( [credibility] of turtle (i + 1)) != -1)
0 d0 G( i9 N q% |;;判断是否给本turtle的评价质量做出过评价的节点
4 l4 z( ~. q# E0 _& W, c[set note (note + item j ([credibility]of turtle (i + 1)))4 _4 n% f" X' h
;;*(exp (-(people - 2)))/(people - 2))]
: i6 i1 O2 v1 pset k (k + 1)
7 z1 @6 w2 s' M. w u]5 `* A Q+ n" v" w# `8 {
set j (j + 1)) I1 x4 T7 Z6 g k1 B
]
: w& j' ~: w1 S) i/ d. }6 R! l# oset note (note *(exp (- (1 / k)))/ k)
6 d! } l3 @7 {) I5 Xset credibility-list (replace-item i credibility-list note)- l' g4 M2 z: \3 V8 d8 H7 w
set i (i + 1)) ]: [, X9 N0 D( U% L, ~
]7 @/ q- s* h. ~( q
end
+ t6 t) c( H+ M% k- w/ _1 _( Y# t4 D; N- ~* l: F- o) V0 Z
to update-global-reputation-list
# s2 j: R7 `. ~' Q3 e5 [, olet j 01 q% J: Y3 h$ B9 J2 |
while[j < people]( V$ i9 V. y9 S" l. |% x* E) u
[/ j! v! Q; F0 y( U) u( ]9 I
let new 0 _' v) t) [$ v! U4 r
;;暂存新的一个全局声誉
) N9 ?9 Z/ {. f, Z Q: `let i 0
7 o( @# D$ q1 g8 q- Xlet sum-money 0
1 a1 U2 W8 D9 l0 a6 `let credibility-money 0- v! Z6 ~$ p. e4 n
while [i < people]8 l! x6 R% c, b, [
[7 o$ G" J$ ^; J9 g" ]: q; [" z
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) l+ t- j: X# P
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))7 o* E; U6 U1 @
set i (i + 1)
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let k 0& f& U' N( q5 D. `# p% l$ M
let new1 04 N G0 C; D1 d7 k; a
while [k < people]
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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)
0 R, |4 G* [" C! E V* Z9 x; W; W2 Gset k (k + 1)
8 P7 }- f1 V, z' Q5 Z]
5 Z+ r* E; K3 Y9 B! z1 W- i1 c$ Dset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
w9 V% C& _0 Q+ Q) D8 f0 ?set global-reputation-list (replace-item j global-reputation-list new)
" ] i8 h; x! `set j (j + 1)
3 f5 }8 p0 K! _1 e7 o$ Q]( Y( f" N1 }4 Y3 D
end
+ N! R8 ~2 I) R# _2 I) h# V. [
" k3 ] }, t$ J; Y) u: V& f$ s
9 {# b. `7 j/ ]$ x( b( P) t
to get-color
' ^# I" N# f# h8 |3 R$ W5 [4 V, X3 ^9 r
set color blue$ B) i% ]7 m5 o0 C
end2 c8 [* F3 D1 ]' J
" ^. @" a# v0 J/ }6 wto poll-class
% m* v; j( V8 L: C* Kend1 P4 n) j0 j; W
/ r2 ~5 ]6 C$ K6 P/ dto setup-plot1+ r J3 p0 @/ v/ N2 v8 @ Z" K' Y2 h
1 O) [ A! _4 h: j. G
set-current-plot "Trends-of-Local-reputation"- a4 e6 H6 \ G; H, X9 g& Q9 E
5 L% s8 O7 F3 i v. C4 }2 C
set-plot-x-range 0 xmax
5 ~& |' H" T% [/ X$ @
: O- p% W) {' U. m+ W; u5 bset-plot-y-range 0.0 ymax
' e* g' P- n( p/ v1 p$ ^end
u3 L5 P& Z% P6 R' Z6 K1 T: O, i3 d2 Y; L5 L7 }: k
to setup-plot2$ D. U& R9 u0 a( b) j, E8 w( W5 O6 z! ^, u
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set-current-plot "Trends-of-global-reputation"! H# Z. a$ ]. Z4 Y
1 I! x9 _- u7 T- `) }# i0 N' {: L
set-plot-x-range 0 xmax* h" m1 ?) q7 X L7 y. F
4 n/ s, ], v4 oset-plot-y-range 0.0 ymax, e5 k1 q1 {6 c, U, M( \5 l. K c
end! O6 `- T/ J0 N
+ T, U' [! R% w# h
to setup-plot3
9 s) U& H9 e5 P
+ z# \. R3 l9 S; `set-current-plot "Trends-of-credibility"3 q9 Z' u- |* O5 i' F' ]3 Y
/ N5 @* z" [! M1 ]+ l6 uset-plot-x-range 0 xmax8 l: R1 K5 e$ B+ W) n1 C
. J6 J+ o+ C2 ^) {6 i4 y+ ]! @% zset-plot-y-range 0.0 ymax5 O5 Z/ I6 H: v i
end
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3 U4 M8 D% h8 [0 `9 h, zto do-plots
) H& L V! \, n: Q" g& rset-current-plot "Trends-of-Local-reputation"
# n& q' X2 T% ^5 X1 h6 a, Nset-current-plot-pen "Honest service"' X0 y' w3 g( Z
end
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8 d+ R! e9 w9 }[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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