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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# z/ W1 `9 H% }0 n; y. D, x$ n
globals[( w9 {# |" T3 b& m
xmax: W' B0 j$ n7 |/ J6 _( N3 I7 j4 }
ymax. k A' ?" [) h! H i7 h. u
global-reputation-list
% }# U' @# ~/ ^' B# ]5 B: B4 k- Z9 J6 v; N3 o" v
;;每一个turtle的全局声誉都存在此LIST中
! j7 ~. r5 p; [/ r5 m. jcredibility-list
. N' V- `! R/ t6 O! n7 w;;每一个turtle的评价可信度
4 I1 ]. W/ y1 dhonest-service5 @7 N) A5 h1 m8 [
unhonest-service& a6 `+ l( d. A5 u
oscillation
+ X5 z. O. ?4 ~& O J w; {6 nrand-dynamic
& o) e' u* P& u$ J- T/ e6 l- C]# @6 x: j5 ~$ z& A
# j4 ]4 o# K( Q0 O, z
turtles-own[; b, e9 w6 B) d5 x6 a
trade-record-all" k# @0 E) r2 S- K
;;a list of lists,由trade-record-one组成- |) Y6 ~% l0 Y% f. s9 \
trade-record-one
* W# D6 E8 U3 K9 s9 x! X$ S' {* 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
* t2 ]& Y0 @: Z+ V- z# w
4 j: a+ |% {* G; U) v. T; n;;[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]]
7 ~; M" f9 Y( g6 a0 xtrade-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 P$ o/ N5 }: O$ M+ R. \# v9 S! Zcredibility-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 i4 D' M6 H3 Q" J
neighbor-total
, h8 v: _$ k2 Y1 Q7 O$ j;;记录该turtle的邻居节点的数目8 y) I! h8 ]2 d: p+ U7 z
trade-time; ^2 X, J( O4 a+ u" G) y+ u+ k
;;当前发生交易的turtle的交易时间( l8 }: \* N2 y n
appraise-give# q* m6 O! y8 T( j/ o
;;当前发生交易时给出的评价
- @; k$ {! t( n/ ^6 ]appraise-receive
) l; E! ^$ R# j/ U0 t;;当前发生交易时收到的评价) Q& @# w5 f8 f. Z
appraise-time
" v, V; H+ ^4 K" q" ]. c% g% h;;当前发生交易时的评价时间1 n j& O+ N8 q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
4 m/ U, y6 l- D2 Ltrade-times-total u1 `/ y! m h( u# B. D d1 y
;;与当前turtle的交易总次数; f8 v# R+ {6 o H6 b
trade-money-total$ r6 x; J6 Y+ [0 t y. e* L' E
;;与当前turtle的交易总金额
2 y4 w2 X0 G- f6 {6 S. o jlocal-reputation' n" |) O0 b. d5 _, s" b
global-reputation
: o. k- w3 `8 R% ]6 `3 b. fcredibility, s7 ~, q; z6 ^. C- i
;;评价可信度,每次交易后都需要更新1 s( z- ^4 \9 O2 m& P# ]0 A
credibility-all
3 u7 l' P; \! M# x;;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 c8 I2 V- f( }
% S0 H. z M) Z( t+ \( D6 H;;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0.51 g. b* @9 a, c# y% }
credibility-one
- ^ E; `( B+ l( o0 z0 r/ `;;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* g! }1 ~9 w/ `* O
global-proportion+ d: y, P7 _$ l6 t5 e% G2 Y
customer6 h! e8 m, T3 W8 E
customer-no0 F, f! K! f5 E' @* V! L$ F8 z
trust-ok
# A5 g# ~$ B$ h( R, c- Atrade-record-one-len;;trade-record-one的长度3 ]( k9 T/ d6 g/ Z8 l) h, {
]/ R& h4 | O$ O1 S" Y: ]1 s
; t/ @- c) E- V8 [;;setup procedure
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0 `! i1 ^- ]0 v+ qto setup
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ca
& d+ w7 N* h2 \2 Q5 F- \& p* h: S: g+ e, c: e* P l, Y
initialize-settings
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9 R6 P# W. p+ M+ h+ [0 E; \6 }( v1 ncrt people [setup-turtles]& [5 [# \9 \* J0 w L' h: x
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reset-timer
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poll-class! K, q. N2 ]0 @# v
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setup-plots
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do-plots& B( W+ `1 z, A3 I9 O/ I0 z) f3 F
end
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to initialize-settings
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set global-reputation-list []
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4 \$ @ k; u1 C& b8 iset credibility-list n-values people [0.5]
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* ^+ r. T( F8 h; G/ \' e' o. yset honest-service 0& D: Z1 z! q1 J
- r9 ^# ~' r) h0 L }set unhonest-service 0' `, V& B, U: A& A8 A
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set oscillation 0
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! ]% H2 `% S4 Q( _! @; Mset rand-dynamic 0
, s6 _, \2 l7 D+ l) Nend
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M/ M$ K: Y {8 f; tto setup-turtles * d/ G8 M8 C9 w, |- `, K4 n
set shape "person"
2 p. E/ K* e( ?setxy random-xcor random-ycor% o; F4 l! k- S, A
set trade-record-one []! O9 o, C, b5 ?# r
" C% ]6 S. }) j& o) s+ {/ L) cset trade-record-all n-values people [(list (? + 1) 0 0)] 6 U% r( W( D# v G) }; V% Z# k5 ~7 ~
7 s1 U+ T, Z. |# f! F( Bset trade-record-current [] d! a5 O! E& y, o# D. g
set credibility-receive []
$ w) ?* { ^. Z9 sset local-reputation 0.5
( _9 W* q: a5 R4 K! Z V# B6 Qset neighbor-total 04 k$ }* D8 ?- U$ F8 e
set trade-times-total 0
; y9 b: j" p7 G0 E8 A3 dset trade-money-total 0. D3 k, |1 q+ D4 l$ d/ J- }
set customer nobody" z/ Z# P8 S$ ]) T3 d
set credibility-all n-values people [creat-credibility]
; e! Y( i+ y# m3 y, f: rset credibility n-values people [-1]: P3 ~! z& U2 L# w" e1 C. A& L4 C/ P
get-color
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end6 z- ~- V4 J2 q4 W2 X' M( r' E1 r- Y
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to-report creat-credibility
+ h- b) c: m1 P* Preport n-values people [0.5]
, k. D( I5 `4 a0 S qend
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" c) o9 {% N6 M7 a& z& u/ Xto setup-plots
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set xmax 30
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set ymax 1.03 b" j& E+ u; V% _+ V0 T! s% o
! R& {+ h' q: r8 S0 r7 w' ]clear-all-plots
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$ z! s8 p" u# @) msetup-plot1 A: B* H1 y8 q0 h
7 g! g" V* y8 `* l4 ssetup-plot2
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& P6 z( m" I7 w+ G/ R5 dsetup-plot3! W, a9 z7 I' g1 A5 I. G9 E
end
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3 @; F% R4 }3 U5 n5 r;;run time procedures
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to go1 Z6 @( b( h7 g; s# W, B. A
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ask turtles [do-business] y5 k1 v& ? Y' h
end
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) H) V$ F( A1 ^. U) m l* oto do-business
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rt random 3602 P" r/ ^" }$ O
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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;; set [customer] of customer myself$ X l/ K4 Y8 f2 B$ {" H
2 n+ K. f2 |& h& pset [trade-record-one] of self item (([who] of customer) - 1)
9 Q6 C2 d9 t w& C[trade-record-all]of self
( U* ?& V* b. j;;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)
7 u: B: Q6 s0 S9 R4 h; K[trade-record-all]of customer9 m" t* j; _# {% [
4 d; x5 O* p# L3 C$ J" Q7 s- ]& A( Pset [trade-record-one-len] of self length [trade-record-one] of self
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+ s! [$ B: c: p; P; }set trade-record-current( list (timer) (random money-upper-limit))# D4 ]% U" m% K
) w' a3 ~9 _, `, Z/ E. n/ Kask self [do-trust]
# ~7 @( B; g1 ?/ k, [;;先求i对j的信任度
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8 J% {8 f( c; C( h4 Lif ([trust-ok] of self)* U: C- N4 Z0 V$ Q
;;根据i对j的信任度来决定是否与j进行交易[
- X9 J$ k, e' s& ^4 V; Mask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( Q" f9 A( B2 e3 Z
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do-trade
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4 Z5 ` |/ b3 T _, jupdate-credibility-ijl
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- _; U: Y2 p1 w7 t2 g: `7 o0 T, y" f2 ]update-credibility-list2 Z* @- ?( S5 `6 G
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update-global-reputation-list
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poll-class' \3 ]9 ^* _& W) p% T( D; X$ b- {
; [- k- p% D; O! J$ ^$ h+ M
get-color* J& V; P; y; G! p# ^3 |! ^
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]]0 \1 M0 M/ K* ], j7 m4 c' n! E( d
, R4 ^8 N/ ~0 s1 k
;;如果所得的信任度满足条件,则进行交易
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[
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! T& b5 c+ ]* krt random 360; ^. `6 e: _3 n! `2 A$ N" v0 Y
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fd 1
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end
k. r7 j: |( U7 @- [- m
2 c# O: K# K/ Y) [4 Ito do-trust ! M" a5 z. y, N* O( f
set trust-ok False0 h( R: N. W# Q, q
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2 s; l2 f; o! W; I) q6 H4 ?let max-trade-times 0- @9 V6 S S6 n& d5 e
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
9 N d% O- i9 o+ Y5 B/ Ilet max-trade-money 0
( A* H% q; A4 Xforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]- J0 R9 n' p9 o" q6 D
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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( V L1 U8 _) W+ e* S) S t, rget-global-proportion
7 o. Z' w9 H7 u* Jlet trust-value2 D3 w/ P+ F; w' s& V; p0 c1 V1 k
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)
" S- |! `* ?8 ?: n5 S1 L6 K' Aif(trust-value > trade-trust-value)% R1 _% H- a% p. w5 c
[set trust-ok true]# ]" B3 Z/ ^% h! C/ ]/ Y9 W( p
end
0 x# F# m/ M3 s$ ^' f) F' g* D# ?0 T) Q! z8 \; b3 L3 N% z
to get-global-proportion1 ]7 s7 f# \) U. a' p! _ E" j
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3), W! j" }- F6 [0 N
[set global-proportion 0]
9 E- f3 }7 R8 k+ r2 `# B7 l[let i 0+ ~1 L0 J8 o0 E5 ]% w
let sum-money 0
* i2 [9 y# z2 T: R% A* mwhile[ i < people]8 k8 U w) E- `( E% s0 {! S/ M
[0 p+ ^. ]$ I8 R9 F7 L$ T
if( length (item i
$ i& V2 b) G/ G* ~, S[trade-record-all] of customer) > 3 )) M' ]0 B9 E& @$ B; q
[
5 b \( ]/ m- T' t! |& Gset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
* }8 w7 c) `$ W]
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let j 0
+ F3 b8 ?7 L" p9 Glet note 0+ P$ f( Y$ }% y; R7 N! {
while[ j < people]
1 t0 L$ |+ ~0 Q( L+ F5 a[
2 }( M0 Z/ ] cif( length (item i
+ o3 J+ x w5 |[trade-record-all] of customer) > 3 )
1 ^( D# w9 ]6 Q1 W4 \[
1 f, o) C! \9 Q& d2 T) Difelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 M5 Y' C6 r0 u8 a( b% I
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 D# _/ p% Y1 V& Y k[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% i3 C2 q% E c( I9 V' M]
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set global-proportion note6 S' D- @" i" {' |! s
]
! Y8 V* K l9 F5 c6 Cend
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to do-trade
; A8 l+ w: M% ~; };;这个过程实际上是给双方作出评价的过程 x( b! n# G6 t5 K a
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价! b5 q$ D$ W% q/ x6 b
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& Y* m1 j/ j" a
set trade-record-current lput(timer) trade-record-current3 |: s" L8 j: p: P
;;评价时间/ @# ?1 m+ _0 C( S2 [
ask myself [
/ u$ C d5 V: u6 W- o6 j; mupdate-local-reputation; M o; h0 u0 J- e" j
set trade-record-current lput([local-reputation] of myself) trade-record-current9 u0 g% y$ z" |; \6 g ^9 U. z5 u
]$ r4 c" k C0 N" \2 s
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself1 n/ Y" k+ i' Q, `3 O
;;将此次交易的记录加入到trade-record-one中
: ^! c$ B8 @% z% E/ V/ d+ U) x! Hset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)4 I4 n0 _7 R0 {4 p* e, j' _6 R2 o5 S
let note (item 2 trade-record-current ): a; |9 _" r5 [( C Y- q' }
set trade-record-current% N% O/ r1 N) H7 p: j) K1 m
(replace-item 2 trade-record-current (item 3 trade-record-current)). O. R! S+ ?- h. n
set trade-record-current# {% n! J2 {$ @. a! P
(replace-item 3 trade-record-current note)
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6 s1 ]" r ?+ o% X. ?ask customer [
# k5 L% F3 [+ H: {2 t0 h! z6 ?update-local-reputation3 U: s$ t/ k& b# W& e
set trade-record-current, D/ o6 W* p/ F! C! L
(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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( c3 g( q0 a( Z& C8 wset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! g5 j8 F$ ~+ d$ F! C- x; z;;将此次交易的记录加入到customer的trade-record-all中
0 R8 B* ]% I" T" [. W0 ~, Z0 J9 \5 ?end
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4 G$ H! I3 j+ R, f5 R( o% g" gto update-local-reputation3 j) m1 |0 n/ z/ U1 N
set [trade-record-one-len] of myself length [trade-record-one] of myself. F% d; J1 V2 H, k9 t) c
, ~1 M% u& J8 m; E9 t6 s3 r1 ]% [. C$ ]; y- q2 ~
;;if [trade-record-one-len] of myself > 3
5 g3 X. T; w5 A# a6 [. Cupdate-neighbor-total+ {$ v; l* n* Q+ }& V: _/ e
;;更新邻居节点的数目,在此进行6 F4 i4 N5 r( P1 [2 F, |5 c
let i 3
1 K- l8 w7 w5 H% d5 L5 r5 R: slet sum-time 0
0 x B# k' z$ d U9 V1 `, U) ], Ywhile[i < [trade-record-one-len] of myself]
2 @4 e! ?. y, [0 x/ S/ Q5 y[
# K& J. k5 u* h+ ?, o9 x* \set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
% G7 p9 k1 h1 Dset i. [' `7 A4 |2 `7 `0 p* Y
( i + 1)
8 ~; m2 G1 |0 k( x7 Z/ F. M r5 n], ]. d/ [; f" _% Z9 Y& P
let j 3
1 x2 w0 W. H' S8 g0 |: ^, klet sum-money 03 d7 \- `. R- j
while[j < [trade-record-one-len] of myself]
0 B4 I- Y$ K9 I# _[
9 S: a1 _! S/ v- E( w* h a" a/ ~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)
9 r% m1 X3 \0 K% m" Uset j+ D/ l" f& x3 i$ L: A- W4 [' i0 u
( j + 1)
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let k 3
5 I P9 L6 o) Y* @: }" u% W( _let power 0
" J/ Y5 J2 _3 ]4 clet local 09 _: V1 m% N0 W( x9 }+ N& y
while [k <[trade-record-one-len] of myself] k1 s" a0 b ~* V+ N
[
9 o3 U) K5 B& dset 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) % y' x% W2 h- U1 o( t
set k (k + 1)$ P9 P6 k( D) f% ~
]8 C# v2 k8 Q; g! L, W' z4 P0 V" A' \7 F
set [local-reputation] of myself (local)5 J3 s0 i T0 V
end. t4 q2 V7 z8 I
# F J7 Q1 d& I6 W7 r9 wto update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]) k" h7 a* U( {4 N! Q8 l6 S
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end
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/ p2 I2 K' X% o6 d" i( pto update-credibility-ijl
0 R: z) B) B: X, E b* M
- e! a- i P; ?3 C" `3 ~* t;;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。; | @. R' ]+ v# @ q5 R% w
let l 0
d- Q- L' P8 E9 m- X2 {- xwhile[ l < people ]" H* w1 Y P# m4 K
;;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* Y# u7 R' W% s* {8 S" F
[
, O5 y, C/ K1 b8 ?- blet trade-record-one-j-l-len length item l ([trade-record-all] of customer)) S$ E3 @5 [7 c6 M( v
if (trade-record-one-j-l-len > 3)
$ Q% u! \1 T9 { q, G/ Y$ 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
Z+ B7 t. G+ X- u/ Alet i 38 z$ J% Q; ^! {: D! i; k
let sum-time 0
9 Q- @1 C! m, q, k5 H( z3 J) ~while[i < trade-record-one-len]0 c$ R5 S7 c2 p4 i& D# r; U
[
$ b+ c2 t2 d8 F. Iset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ), H' Y& H7 R- W; z1 g \% C) N0 P$ A& o
set i! Z* u2 f6 M& X1 [
( i + 1)9 q6 ^3 ]! n" d" _" q3 v! ^
]
2 s. ^/ E. n: n/ q& \$ [( z7 zlet credibility-i-j-l 0
& b& G: X3 Z7 y;;i评价(j对jl的评价)
M% v: d4 c+ [) D$ Z2 ylet j 37 t- ?* R' \/ e- J; }8 E1 h
let k 4
; d" L7 u4 t6 L" r- z: n( swhile[j < trade-record-one-len]
# i/ S" m/ P9 E6 \5 W[7 {. Q* V$ A8 C
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
, Y# V# R5 S( Q+ D4 ?5 p1 [# `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): z5 C0 F% a6 P3 ^; @5 S
set j
9 K i) ]# K; |+ k( j + 1)
; J7 `0 |. u3 _9 P/ K]: i; l. a# v. }' c$ V6 c% q% P
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 ))7 L, X: E( }2 }& h8 e3 d) O
1 S' V' [6 j7 g) }8 }5 C& U# l) T3 F* V3 K) \' Q$ w3 `
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 }3 ?& i/ u& `6 B8 u$ l( i
;;及时更新i对l的评价质量的评价
& i/ v, N. G6 J6 t! h; Dset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ K* y7 y) c" A; K2 H
set l (l + 1)
8 C8 N/ O# }4 m- a) O]
0 d0 N4 c; w5 M9 @end
5 G/ S9 t6 I$ D$ J; X0 v
& L# q% s6 j, d8 i x; cto update-credibility-list
0 q7 h- [2 \" B: alet i 0/ a1 _, v% B1 x& D6 X
while[i < people]+ ] _, A8 Q8 k9 z
[9 S% l* x/ N6 I
let j 0
# @$ h( w C) `% R: g$ clet note 0 V# G0 {0 e) @7 U$ O
let k 0& `2 a2 g, F% B
;;计作出过评价的邻居节点的数目
C3 m7 Y. Y# a! jwhile[j < people]
/ j; K: K0 W$ j- Y C8 D[1 q4 B0 p7 Q4 V' z
if (item j( [credibility] of turtle (i + 1)) != -1)
' k' y$ p+ E1 L3 }+ Y% Z;;判断是否给本turtle的评价质量做出过评价的节点+ L* y! K& F3 _
[set note (note + item j ([credibility]of turtle (i + 1)))
~$ |& |' C( b& Z;;*(exp (-(people - 2)))/(people - 2))]/ I& F- I1 {* F0 m, X
set k (k + 1)
# B9 v! m$ z9 }' ]% }! t]% ~; P: x3 M' X# j; m# `5 d6 O
set j (j + 1)) X1 _- Q: W( @6 `
]
1 Q' d3 W1 v# k, S! ]set note (note *(exp (- (1 / k)))/ k)) ^, ?, \: H& L, l+ v, G7 k
set credibility-list (replace-item i credibility-list note)
' o+ w6 v- e* o% K& [" tset i (i + 1): i! a# e1 j) Z4 c
], Q8 Z( P7 Z* l$ I
end
( C5 c2 @3 s4 A
* g* l/ t T# G! Rto update-global-reputation-list
3 q/ Z7 Q/ {; c' ~* r+ Q3 l, nlet j 0; }2 w; ?3 S& G$ a4 m
while[j < people]
/ o; j; x3 Q6 D: K$ }1 c1 x[$ j" ]( A5 r* |1 z/ f/ [, u: u5 a
let new 0
+ A! ~" H+ V4 x( I' W" |;;暂存新的一个全局声誉
' ~4 v/ i3 h7 M# X( Elet i 0
6 a$ r9 @' ?5 k% xlet sum-money 0
2 _4 j2 v! V" p3 Z0 l& p: Q( tlet credibility-money 0: ^# w7 x- i- B5 }) G. i" t
while [i < people]
0 w$ I; H5 d$ C$ N[
. A. X4 o/ F8 o4 O$ [+ iset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 V* H0 ]' ^, A
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! P) e# s0 c2 I4 K) h U3 A) h3 ]set i (i + 1)
6 C8 u% w, q G3 K8 p9 }* K]7 D' P3 `9 g o6 A2 w
let k 0
! a+ W; O. R+ R- Y3 ~4 }7 Llet new1 0
5 b4 e- S7 W0 V, ~/ U9 ~4 I2 |while [k < people]
; `$ R& N/ E4 l" b[
7 G' h0 r$ U% L7 H3 S/ S" s- m r/ Hset 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)# ^$ J/ r4 O7 ~8 A; x4 \, p- O! J
set k (k + 1)- N( \0 @# r5 U4 z5 J9 P; x M
]
. ^1 k$ {" ]4 _: U! _' f0 f" \set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ; V+ j- b6 S) M9 p y7 I0 I
set global-reputation-list (replace-item j global-reputation-list new)
6 s5 d5 n3 ] M, s+ N! I; }set j (j + 1)
; r9 c& W" K' `9 Y]
, b, |! j$ h0 g( Y! `1 Z) Lend
; s) J2 l) e/ c6 W
/ a/ }- }' [6 g: M$ j! y: e; V! F6 {. j. c
3 U& s8 d. u& K. W+ V
to get-color
* @/ p( `9 E) ?2 _7 `# C* R0 R, M1 R& }' y: H3 x
set color blue9 A8 z; A( F* J/ C! K0 S% z
end
2 P$ [7 [: `$ k7 r
+ s8 w8 D2 w' _1 n9 S! Ito poll-class
; a* a' @/ W. D: ~% [end1 Y$ J) u1 y$ I
5 Z! f8 a8 b9 _
to setup-plot1! Z% j0 @0 O- N
# b, d& k1 C1 [set-current-plot "Trends-of-Local-reputation"8 T. K1 h4 C& E+ P5 U( u$ l
8 d( U! ?. A. h! {* Bset-plot-x-range 0 xmax1 L7 q" l! J; d! a$ q
2 u4 ?0 g' V% P' `3 _! l' m, E
set-plot-y-range 0.0 ymax
5 }* ~6 Z& o+ ~- qend
( |! Y2 K- T7 E, Y* A! b& |* F$ \: p+ t
to setup-plot2
9 R+ \6 k- i1 X/ M" f% R- X$ {; K
set-current-plot "Trends-of-global-reputation"
- z% i: }0 ~& A7 D( k: }; k5 _/ }" B& V% S& B: d
set-plot-x-range 0 xmax
+ e- q& L9 h0 d* m$ B
: c$ b' h" y+ hset-plot-y-range 0.0 ymax
5 [: A) u6 X: l* i1 u! n( `end
$ A" M3 |2 L9 O1 F( X( S" h* \; p- U- c: B. n
to setup-plot3- _9 s6 d/ q5 X* ^
# E' L) f2 i2 e, y, @
set-current-plot "Trends-of-credibility"$ Q- c8 l% n. c2 v
" M7 U5 I# e7 N& V( t; t6 r
set-plot-x-range 0 xmax
1 f8 } Y$ h# C* _8 K3 R. W4 w& Q# l3 C$ Q% ^1 t1 J
set-plot-y-range 0.0 ymax4 ]: R! M. U" m
end
0 t/ Y, c" ^$ O) \% ?+ D% y6 n/ r }8 Z4 b" e$ @% e
to do-plots6 t) }; P& `5 ]8 h' H( R
set-current-plot "Trends-of-Local-reputation"3 Y2 J- s) }* M! U! _
set-current-plot-pen "Honest service"" B* x9 V) f c6 y
end. F* `" [1 [6 o) Q: u: T
9 f: T6 x/ s! M/ p& ^
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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