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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: ~' Q. V* m. n5 T* R5 p% }; z
globals[; o( Q( F$ i- O9 W4 P7 i, @
xmax
8 K) P! X: I3 ], [ymax
1 w& I* I! y. i+ G; }1 rglobal-reputation-list' j- V) M5 B- \
; S9 P1 s4 t+ _! _/ M; p9 N5 u;;每一个turtle的全局声誉都存在此LIST中
$ {6 ~4 a& W0 _ L1 z9 vcredibility-list8 ]& T5 F' e1 `* {
;;每一个turtle的评价可信度
; ~- o+ Q* V/ zhonest-service
: \' ]1 k- g. p1 o0 n8 iunhonest-service: d, m4 h. R( p2 e5 J7 Q4 b4 z
oscillation: J. s) I- P% M
rand-dynamic" Y+ t( }* f" E
]/ X O* T! C2 x
6 B2 m! g, g& E# [* p- L$ Sturtles-own[
1 y4 s( X# s) w9 D e' Ftrade-record-all4 [9 F$ n& A7 {, x
;;a list of lists,由trade-record-one组成
) L z7 u% E. ]+ g2 J# ?trade-record-one+ A! W6 l. o0 u% K4 Q
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录7 f% s/ o2 C; D$ h$ b; q
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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]]
2 R0 `/ }% d; v1 ztrade-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]
+ N5 ?1 K' d) E- v7 ~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. [& E" y* c. M% a) S
neighbor-total
1 A* `5 E, x8 {' t;;记录该turtle的邻居节点的数目8 D) n8 F5 E/ A0 ?. s
trade-time
+ Z1 c, R' D' e4 R0 B$ X( N p! _;;当前发生交易的turtle的交易时间/ W: t) N+ U$ ~' q: z' Y
appraise-give* m4 H0 _4 |8 j5 R- ]" P
;;当前发生交易时给出的评价
& a2 n4 s& U5 ]! Rappraise-receive% k6 L1 v% O+ R3 n
;;当前发生交易时收到的评价 A( n) |' `1 O6 G8 o: ]8 E* H
appraise-time
" c/ ~+ [8 Z0 M# S, }5 n! ]5 H;;当前发生交易时的评价时间- _& @0 A/ j$ Q2 L1 {8 D
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
& r, }" y: _, ~, t6 t2 ~2 E( strade-times-total' i3 o& i. `, z7 T3 L7 D
;;与当前turtle的交易总次数
0 i/ ]8 }/ O4 g% ^5 J5 qtrade-money-total
2 i/ }( N% r5 i# a7 ]- j8 ~0 H;;与当前turtle的交易总金额
3 U# i) y, F) V1 U$ Xlocal-reputation Z7 A% K7 Q& V8 T8 X% K
global-reputation* _% T# u$ j$ C; N$ E' S) E
credibility) L; E& r' o( \/ y1 t
;;评价可信度,每次交易后都需要更新0 j4 A! H. W$ ] o2 ~ D$ y
credibility-all& s- Y5 x0 t& [; m5 R Z2 R
;;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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5 L0 a" }; u- z* f9 u- b" Y;;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
9 Y4 h0 R: d: a0 R% C6 O- N8 _- Tcredibility-one2 Q9 r* Y' d" p' S, x' x3 f. f
;;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# l7 F+ ?4 o- ^! n4 n! q; `6 `
global-proportion3 B& q/ w1 e) }' t8 e5 m
customer/ a& o# n5 V6 l2 o) @7 ?
customer-no
, D) U8 Y6 f: g, ttrust-ok
' u( M8 B' v* Ztrade-record-one-len;;trade-record-one的长度
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$ f) ?9 B% B: T1 d( e6 N) n& E% p% j, u# H* {5 x
;;setup procedure3 M/ X, D, w; h) [4 T( K* ?
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to setup
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ca
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initialize-settings6 C8 a [/ I, _& V
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crt people [setup-turtles]
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reset-timer
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poll-class
+ u, C; c B, a( L; x& Z
V/ \ T6 @2 Xsetup-plots( O( `% d+ H. v* ?' e ^
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do-plots
, s3 A7 ?* Y2 Z, p0 K. R7 Y nend9 Q& {& {$ r( ]3 H% W* K0 W8 q
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to initialize-settings
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set global-reputation-list []
! h6 l5 m9 f* e! d- S5 {7 {) b' a* o0 C" z9 G: w1 N* z6 h
set credibility-list n-values people [0.5]
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set honest-service 04 j2 u7 Y" k9 {0 ^4 x
" \7 f; Z. j- Z# ~set unhonest-service 0
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set oscillation 0" B( ]9 R; R$ c
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set rand-dynamic 0
$ E) I' j/ D! O2 u( y: r: Pend& J3 U3 S; O2 S. D5 }, d1 U- F/ C
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to setup-turtles
& p* ^, r v/ K: }$ @/ p9 e+ ^- Mset shape "person"
" y I+ T* X3 z; {3 x4 [) ^5 f& ]! @setxy random-xcor random-ycor$ M' ~: |3 G5 F
set trade-record-one []7 U! w8 E+ |8 \; ?. ~; u% Y) T
. B2 T4 x- h/ ~8 aset trade-record-all n-values people [(list (? + 1) 0 0)]
( C; u' S" p+ K3 m
* G- e1 d2 ?5 M# W8 Z4 U- Wset trade-record-current []
# e* G/ D! `- E* J! ?# _% P+ ]set credibility-receive []
. q6 ^& `- H p' C8 ^9 V9 Yset local-reputation 0.59 C v) y9 |/ ~3 W f
set neighbor-total 0
& d r6 V7 J' Sset trade-times-total 0
+ R n/ D* l6 Z6 T4 iset trade-money-total 01 A$ L" m. `9 c7 e; {* J3 p0 D
set customer nobody
, z1 D: x+ l/ ?* P- lset credibility-all n-values people [creat-credibility]
" p9 l+ @0 w7 r! |set credibility n-values people [-1]
9 z% _% j9 z6 I3 V2 m4 ?get-color8 ]0 ~* \3 t( z: ?# Q- R! A4 R
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end
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. E Z, o, _ N3 p4 @1 v ]to-report creat-credibility7 d B& A6 I% U. d
report n-values people [0.5]& J# c: o$ K, o2 d* L
end+ a% e$ e9 e3 c0 \8 u
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to setup-plots
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set xmax 30' |9 j, K0 G# t8 D
$ a8 ` L3 M; c; x( q& xset ymax 1.02 P' c' A! n7 m
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clear-all-plots$ v% N; U3 w/ b) J0 I
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setup-plot1% E$ m. g; h, x; B: w! f
y: a5 G* X( H3 f- u) c( W: ksetup-plot2
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setup-plot3
3 c5 K9 D. N- `' g) g" a3 \end9 x+ n) P& y* K( b
. g3 }" x4 _" u1 ];;run time procedures- Z& S5 X0 ^, B! B( B8 ~' o
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to go
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, ?5 L4 h, ?4 g6 l( m, zask turtles [do-business]( T) x1 s" f' m3 [0 I
end: k/ a( u) |0 Y
b5 i7 R5 }7 Zto do-business
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6 c* E( _ f" `% V( M# q( }! c; Qrt random 3607 W" Y: x' X3 p4 c. _& n' j; H
7 ]( A3 g7 e' {7 v" d5 }- C4 Q- Lfd 1
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: |8 [5 p; v6 F/ \, gifelse(other turtles-here != nobody)[
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- J) g& ?( \& g' Zset customer one-of other turtles-here
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$ i$ a! [4 _/ p8 ^& K;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
5 c+ X+ @- ]3 G( A0 e[trade-record-all]of self
1 }# ]$ L! v6 p9 y;;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)* D5 K7 ~9 G( {% L/ h
[trade-record-all]of customer
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0 S$ b- N$ ^: g% Kset [trade-record-one-len] of self length [trade-record-one] of self. \4 y3 |" W" W7 S
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set trade-record-current( list (timer) (random money-upper-limit))9 n$ {4 Y3 q3 l- h# Y& \, d
* y6 ~5 o5 Y# Q# qask self [do-trust]
# W) @7 P& \/ K' G;;先求i对j的信任度# |% n' x! o- b/ S
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if ([trust-ok] of self)! W, _7 v) n' f5 w
;;根据i对j的信任度来决定是否与j进行交易[) d' {4 w4 k8 ^9 i" Y9 |) J
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[1 P9 T Y5 c9 W6 ]! k$ Q
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do-trade7 R% b, p! P$ l7 v' n) J/ I+ o' t
/ ]4 A; ~) T) i0 Y5 f4 qupdate-credibility-ijl
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update-credibility-list
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, N! {; V( V5 e# H& Gupdate-global-reputation-list/ ~, y& G! c% e& }# X% ~
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poll-class+ y) D% P% E+ S
* A5 C5 Z$ |' @/ mget-color
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0 W* W; a, }4 g7 {* D8 J;;如果所得的信任度满足条件,则进行交易
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; g( l# L9 O* ~/ z% ?1 vrt random 360. |% G. [7 C* ~. a
2 c* y( j' F+ H2 c
fd 1
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]
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# j9 }6 W+ E* ~6 Wend
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1 K9 F& ^8 d- eto do-trust G' ?2 y0 [/ }$ |2 L. n: R
set trust-ok False
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4 e: i5 d( @ \( _5 slet max-trade-times 0! a' ?5 T b) Y) B1 \/ N
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- [ w J7 u6 V9 X7 d8 H
let max-trade-money 0( b+ }3 @* b/ V5 j+ S9 n U3 W
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]3 r6 a: |2 a: r# w5 e. l* Q: o
let 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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! ]! r; L( k a, r. I
get-global-proportion3 m8 O% k- X5 a, V- b# g# i
let trust-value
) l2 W( x4 ~2 g3 }$ nlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
7 g& s* a! z; |, N. n/ e4 u$ _& Tif(trust-value > trade-trust-value)
o6 Y9 p& B+ o[set trust-ok true]
2 V$ B+ E; v4 g0 P# d6 b9 v- A3 Jend4 m0 }: |7 f3 C# T4 s( f S
[- k- V, h. Qto get-global-proportion: K# {7 k9 _! x5 J
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
7 a( c% d! [8 U& O1 T* z9 s$ u. A[set global-proportion 0]/ L9 w8 m6 @, V$ s; U0 z; |
[let i 0% U) [! j6 r- l
let sum-money 0
( C' @( j6 r& _/ W; L9 dwhile[ i < people]
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1 y* Z+ D* c4 Y) K6 S' r: u6 S# Tif( length (item i% @+ H& }' |0 Y- O
[trade-record-all] of customer) > 3 )
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set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( S M2 |% g1 L) u0 i
]
8 v0 }& U- _3 \: `9 B6 {$ u]- H: }- V7 k! ~. ]: B
let j 0
, N! Q% A9 ^- J) Slet note 0$ ]( W. F- O0 h1 j, L3 [/ J
while[ j < people]! H7 Q2 |" m# e/ b( V
[
% p* b: Z) s) W9 {0 ~ ?. P7 J% K- lif( length (item i& Q- W# I$ Z; @- T- ?
[trade-record-all] of customer) > 3 )! _; O9 I" W0 J: w% t
[
N2 l2 I& ^% r) L% J6 gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)6 ~5 u6 g6 }) K9 p
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]* b4 G( ]6 c4 {' |) e0 A* _
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]/ s/ `# [" n. m A. h* v
]$ ~( m, O' f3 a# |3 |) V
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set global-proportion note) X* D2 A- k4 j: g6 {
]
5 c, c: v2 Z* s. }$ eend
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to do-trade
, b. y. U R) h( _" c% }. j;;这个过程实际上是给双方作出评价的过程+ r- r/ y8 O3 M5 {
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. w, v: ~" S& z7 I
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! H* }6 [8 e: T# G2 Y2 }5 _
set trade-record-current lput(timer) trade-record-current
/ D5 Y4 v, @9 l8 j) x" Z8 f;;评价时间5 ?+ P5 G, X0 O$ J* U
ask myself [% B& k: Y$ T1 a. R3 V5 x: x f
update-local-reputation
* |& k# K8 y4 c3 Vset trade-record-current lput([local-reputation] of myself) trade-record-current
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& v0 P: O: O! V# A6 cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
$ k7 F- p0 O# F; Y& M5 B) K% p;;将此次交易的记录加入到trade-record-one中
- _; o6 d: d# h4 z2 \5 z+ Rset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), h2 T- ^; J2 Y O$ B" {
let note (item 2 trade-record-current )* x8 [' i4 o1 k4 w: {) U' k5 c+ z
set trade-record-current5 ~1 N" M( P9 Q, F" Q$ r
(replace-item 2 trade-record-current (item 3 trade-record-current))* a% _, T% w! T2 k
set trade-record-current! T5 ~5 k$ p6 k$ p ~4 q* W
(replace-item 3 trade-record-current note)
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3 t7 n/ n" ?) `! j. T3 l* W$ k" jask customer [
/ R7 c' g! v9 `4 p% Wupdate-local-reputation8 O3 ^0 {5 K/ a- G$ P
set trade-record-current
0 g9 O2 z5 h; H3 w(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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1 w4 O( n' H: v, G3 K; \; Vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 H: Y9 n7 Q! k1 T9 L. 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))
5 H9 c! P( N! _! a1 i;;将此次交易的记录加入到customer的trade-record-all中8 s/ o, p5 k# d# ]4 ~9 Z# s
end& @/ i* Q) w. _- q- F
& N5 V2 d3 c0 Y9 a4 ^to update-local-reputation
L R+ P3 g* ^: D6 g6 @, Nset [trade-record-one-len] of myself length [trade-record-one] of myself
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;;if [trade-record-one-len] of myself > 3 * E F) b" w( {2 p$ e: |" C
update-neighbor-total+ ?3 j3 M( y- [6 ^% p
;;更新邻居节点的数目,在此进行; @( I/ a4 r! p% U. ] R6 O7 q
let i 3$ _0 S+ Y% |9 ?+ n) \
let sum-time 0
( w5 W6 F+ M) Zwhile[i < [trade-record-one-len] of myself]! ~8 H* J6 a/ M4 J
[
1 s0 j! O0 L# g1 Gset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
D7 f/ l2 R1 d& c* K, Bset i. \8 v! r5 r. M& s: p3 K/ C) I& P
( i + 1)
0 w7 F" ]; h; K) _& s]
2 E) z5 }" h! A4 _let j 3
( R) y( W9 V0 w' U# P; k2 ]let sum-money 0% w% E- p2 h! u; T
while[j < [trade-record-one-len] of myself], s- w% Q4 o5 R, z
[: z) y# s' t3 {3 o* d; g& 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). D6 W. ~! W8 D" A. {9 }
set j
& r* A9 T% t; f9 C6 m2 ?( j + 1)
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let k 3* F2 a( q$ f* i5 k
let power 0
! j( O4 W9 C0 T. O6 jlet local 0
: M3 u8 _8 E4 D1 |0 ~ u( @8 Dwhile [k <[trade-record-one-len] of myself]
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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)
7 s) D/ ^' M# k/ {set k (k + 1)! ^& L; r5 P6 X7 P8 r9 [
]
+ D) {: k2 n% \2 E$ eset [local-reputation] of myself (local)
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to update-neighbor-total0 d6 q4 k# @0 [9 Y1 a0 c u
: u/ N( \$ D' u" u+ w, | dif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end5 P- q1 q2 |4 m3 `* S
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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。, q! e6 [3 {4 i
let l 0
( a' s, S7 Y; C8 v" m" ?while[ l < people ]0 Q2 ~. |/ p" x$ n' P' L
;;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, q% @( l, R Q% H8 L' U( A
[% ?* d7 w/ F) m5 M/ D
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)8 G, b& o- J/ h/ k2 H- t+ g
if (trade-record-one-j-l-len > 3)
( o8 Z! g; t$ V8 D/ P9 M[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
T5 c8 c+ y1 {" Klet i 32 ]* F' c( H. ~6 k
let sum-time 0" f: @3 O/ C7 h
while[i < trade-record-one-len]2 @* N$ a- t0 g8 Q6 q9 j
[
( J- w: W O$ c" {set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
) V/ s) e9 Q5 k0 sset i
) ?0 n6 K: e1 p5 M+ P' o8 m! V( i + 1)4 m9 W6 G4 \1 l0 p& L1 x5 P
]' L: ~( k. U; D7 e
let credibility-i-j-l 0
1 y0 Y0 ^' l( [7 l9 p;;i评价(j对jl的评价)( { [) I4 O6 j2 v0 [( n
let j 3
7 E- C% f! k2 Y& G4 }let k 4
4 t) }# p) R: n$ `while[j < trade-record-one-len]
/ v9 w% F# W% Q[2 p3 v" H9 X4 \4 R8 U# s
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4 _# N( m( K, ^8 n
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)4 E3 U" c; F$ B( L) \3 d/ }
set j
6 Y1 Z- e. {$ _3 T( n9 I, F4 w! {( j + 1), t4 ~9 m% Z/ P6 @* W
]
8 }2 S, c% U8 ]! R& J9 e/ |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 ))
* c8 C6 M, u& B' T8 J q7 F
, v R+ i; O, ?! ~7 s* G( h+ E: s! f
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
# {8 v0 h' j y2 {8 z;;及时更新i对l的评价质量的评价
6 H f D6 y. J5 I0 Z' y( Nset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
0 A6 p1 Z8 D# S* @4 W! S& e0 v* P; [set l (l + 1)
& }, M! o- ^* o) ]/ {, a0 x6 a]& P4 Q3 t& H+ o3 z/ f3 V: K
end
" S0 ^) i- H V, h( L6 _+ u9 }9 Q3 @+ ?" |5 c+ Q
to update-credibility-list
4 E* N! B. u! d7 m2 M$ W! Clet i 01 @' w3 k% O4 W
while[i < people]
# z! x* w$ D% q4 {& |[" Y6 ~' R3 J; f. ^
let j 0" ~) {6 w, |7 r; j- E
let note 0; i, S0 X0 U& f @7 i2 H
let k 0
y: C1 G( F1 j8 J8 t;;计作出过评价的邻居节点的数目- t4 L4 _5 e" }8 |
while[j < people]
8 R# M, D# b3 l& t: H[
4 n! x3 Y) [3 V7 w) aif (item j( [credibility] of turtle (i + 1)) != -1)3 I0 x3 _! u% V- I
;;判断是否给本turtle的评价质量做出过评价的节点' B4 d0 \% }& \) }+ g* R
[set note (note + item j ([credibility]of turtle (i + 1)))5 a# K+ `8 ^$ ^
;;*(exp (-(people - 2)))/(people - 2))]
- E6 A+ C, X. X0 j& fset k (k + 1)7 u! G0 ?8 b" i9 Z/ r) U7 Q
]
4 W2 N0 c4 S2 K7 Fset j (j + 1)1 j( X: p. b# {8 Q+ `' U' x
]; Y; J8 A. c h+ p" ?
set note (note *(exp (- (1 / k)))/ k)
8 S0 @1 i' y, pset credibility-list (replace-item i credibility-list note)
/ C) O& E* U9 H& ]8 Q4 l. z2 zset i (i + 1)
7 g" O6 P, E' A- H2 c! Z]/ N; e5 l( ?4 [
end' V1 w* t K, R& ?
) P/ E- j4 j. K X# e/ Z" M8 N
to update-global-reputation-list: m1 T3 F/ z. T' G$ i
let j 06 k% b& R& l* S% `' ]
while[j < people]
% M/ o( S9 `$ _4 R& `+ d[
# U8 m4 ~4 O+ Dlet new 0
5 b2 d" {" \" w: k# j;;暂存新的一个全局声誉; U2 }- j% g' j) i+ v* h; s9 b
let i 0
- V+ Y, ?9 l J5 Slet sum-money 0
. f8 W+ P# m6 {% [let credibility-money 0) l7 A* T3 m; |; W
while [i < people]
. f+ s. u, f, a7 f9 \; c[- G+ y6 [. \8 E* |, U2 I6 V! G2 I
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))7 V1 T- ~ z3 @ r: z2 x" U9 g
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 U6 v4 U( V' Z9 B+ v5 d: g ` V& h0 }' Bset i (i + 1)! q7 ~; @4 i4 D3 |% d- Z. s
]
$ S" B [9 {: H4 @. p ?let k 0
* \0 R! q' o! F% ~let new1 0% ]. q8 a$ e4 F4 @7 A
while [k < people]0 e7 X5 ~5 r6 [: d+ t' U7 Y6 E
[5 V g- S/ Z9 O1 \# j6 i& V; t
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)
, q9 B7 F7 [) F) \: oset k (k + 1)5 R$ p0 I9 R; Y0 {6 ~6 r
]
' o5 Q9 l7 p1 G3 q' O1 z' Hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ [. X+ z; V6 {- y6 {6 xset global-reputation-list (replace-item j global-reputation-list new)
7 d: }3 R: ^$ X+ S. b$ @set j (j + 1)
& k( A& d0 {+ V! s2 ~+ I7 s]
0 P& F: ]. Q$ J# _ H0 eend
+ j5 d+ m9 M; \. R' t
* _0 _& i) ?3 K% h: Q- a1 Q2 b: N& b/ C9 a3 o* k @
( \- _1 D# u, ~! D+ s( b- B
to get-color) M4 H3 g: p: i- u
9 I7 s& Z( @. oset color blue
8 q, i6 l3 I8 V- y- b A5 fend
) \. t; }1 |9 x1 J" `! w: q( Q' ^# k' G$ `5 ? [
to poll-class
. W$ X5 e7 k& C. N# J$ D' Y6 |end
5 I" _2 h- {$ n( e
' }' X, S; P: A# P) L& k; h; w! S# `to setup-plot1
( v/ V3 O3 y& P! p
. a, O% o3 O9 z( s4 pset-current-plot "Trends-of-Local-reputation"! V" y- Q% b2 V8 v
4 g' j1 v: W2 N" { f3 f0 F4 I' Fset-plot-x-range 0 xmax& K! ^- E" d: \
1 z$ U' Q) V- G3 O' ?set-plot-y-range 0.0 ymax% ?) {9 t9 P+ G @# R
end% [% f2 }# x# v* g! f0 r
$ q6 i2 g9 v9 D9 A8 o5 \
to setup-plot22 L: ^3 u$ s# [0 |7 Y; r4 V/ ]. L
$ c0 a! d4 U% C! W& \. b8 a6 Nset-current-plot "Trends-of-global-reputation"3 r U, u, f$ U6 A2 h; a
1 ]" U% J7 ?' U* F
set-plot-x-range 0 xmax
! V0 f- b+ G' `6 T7 ?1 U9 h7 y% r) b! g2 `3 D
set-plot-y-range 0.0 ymax
/ U! h, ?; g: H0 j3 ~5 R/ Mend% f% U) F" x' r3 ? C D* X
; S- }3 J) K3 D8 zto setup-plot3- P# [% J) Z. K
# [# z4 a* E; G5 Z' c1 K4 }set-current-plot "Trends-of-credibility"
$ [# @7 C; ^% T+ Q
+ N( ~3 v; T0 R, a" U3 t2 _" Y1 yset-plot-x-range 0 xmax
U9 y) `$ t. u$ d# \ U, x2 i% A3 W
" D% Y L8 w' {# Rset-plot-y-range 0.0 ymax
+ z% E! O$ g) nend/ [- G% ^) u: d( q7 J- Q
! R0 K2 [0 t h; t0 p2 b- e! Pto do-plots
* F6 p- ]6 e( o! tset-current-plot "Trends-of-Local-reputation"" v% Y" f F0 k- @
set-current-plot-pen "Honest service"$ ~: \* W( S' v1 O( z f
end
0 i) n. O) P1 N; f* w0 _" S
9 v4 `9 k0 k# }. W[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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