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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
2 e( v# a" j* pglobals[1 c X/ t5 {8 t
xmax- i4 v' t& v! f# y* e' t1 \7 q( W' W; R
ymax
3 H( G, t' l% A9 S9 W" c, K/ Sglobal-reputation-list3 l) ^) }" ], U7 Q/ Z) \. e
: J- w/ M- z$ d, {& D0 w
;;每一个turtle的全局声誉都存在此LIST中$ u% Q5 L: l1 b
credibility-list
' s; i# g4 }- e1 c* i;;每一个turtle的评价可信度! |6 [1 J# V7 s" w
honest-service; Z6 E% V# v) S/ r
unhonest-service
9 Y# a4 X, _- A* Noscillation
! e8 [7 {2 S( z0 S5 N) Y0 yrand-dynamic) f9 J8 N8 t* N' t7 t
]
0 R7 O5 S$ ]/ g) w! u9 w. Q" T% U2 P
turtles-own[7 F! c/ f( ?" g5 w
trade-record-all7 z7 ~- c5 i" H/ P' H: }) K. @
;;a list of lists,由trade-record-one组成
# V- y' r$ I& Mtrade-record-one) z/ s4 p- j' t# P* n" o
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# { V* a2 I4 l# {9 i) w0 K
; M# N1 L) Z, ?) R8 Z" o! U! F;;[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]]4 z0 B5 C& Q! v" ^! m" x8 v( [
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]
+ q, d7 [; {: ~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+ y) u+ [& g5 u8 D$ P1 l. q
neighbor-total
- f; q; L7 s5 [+ I;;记录该turtle的邻居节点的数目
! a0 s0 W1 O/ _1 J$ etrade-time
6 H# I" h9 m r) E- |;;当前发生交易的turtle的交易时间
* z1 O! B: P4 g* Cappraise-give6 q! H5 l( ~: _6 @, _
;;当前发生交易时给出的评价, u- A5 D6 S& B7 P% L, @' H$ f
appraise-receive3 i. @3 O* A* b- O) C
;;当前发生交易时收到的评价
M: h/ L1 p3 n Pappraise-time; _1 I7 @9 b6 J2 ]4 g
;;当前发生交易时的评价时间
6 ]! R9 J2 t( \4 a8 k( ]/ xlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉$ r; x4 R9 M7 ]' O$ X' `4 |$ }" A
trade-times-total5 j2 o2 v' e/ L6 k! e1 p A. O
;;与当前turtle的交易总次数
8 J0 k. w: H+ X* e! S4 `trade-money-total: a& ~- c" N9 ]% r
;;与当前turtle的交易总金额* `$ R) W8 ?4 W1 `) a8 w! `
local-reputation
' [1 _3 R4 a, Yglobal-reputation5 x" \$ Q1 T. ^$ } a$ @
credibility+ D3 U+ f8 Z! v1 r2 v1 m
;;评价可信度,每次交易后都需要更新2 l0 _2 V4 v( n/ ]9 y
credibility-all
J+ ~# ~2 I/ |' ]' d O;;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+ R- P1 _$ @! D* m7 y
9 s8 d; H0 Z# O% [' q/ Y5 ~7 a;;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0.56 i7 b1 B3 Z& u/ t, m
credibility-one
! \' b9 ], q9 i6 I" |;;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
9 r) Z$ w3 t5 {& f* R% Mglobal-proportion" S6 P- }9 ?+ z- W$ ?2 u# z* k1 v$ e8 x
customer" D- g5 D2 W' |, w; d* S+ S
customer-no
4 D$ z2 _$ C' @! U5 V) Ptrust-ok; T1 _% x: d; ]% x) b" ?
trade-record-one-len;;trade-record-one的长度2 K0 G2 ]; K/ J- \3 @: a
]
+ g5 n0 z0 M* H& V$ A' Q' r' D% r) E' W# Z) k# W6 z* m
;;setup procedure/ o$ k3 N8 I' v* ]8 [7 U4 X
& a7 q1 \( `' U0 L) z
to setup
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1 p* @; O3 c( M6 y3 vca
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, t- E$ E) J, d5 B; Binitialize-settings
$ W" H- R# r: | J
7 x. d' Q X3 n Z! \3 g% Jcrt people [setup-turtles]
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. d k' ~+ K2 d4 R' } L, freset-timer
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$ G2 |0 q/ l) \poll-class
4 Z% q) l0 O1 M! \6 C3 d
. D' j/ A) j$ b! f2 {4 z1 n/ Osetup-plots* K+ \" ]2 x# Q# J& I
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do-plots
' D6 D/ q3 ~( ] l% S! t8 E; Gend
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( b; J0 z) {! d3 a" rto initialize-settings
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4 R& w6 w( o; xset global-reputation-list []
& |" }# k- B' C& Q
! N; h+ `" k' n* I7 { l/ M" ~set credibility-list n-values people [0.5]: I% R( t! O2 A6 R
4 D3 Y9 D% k6 l+ X. _set honest-service 0( g" I' A/ o4 h$ O
6 Q) F8 c% s. D1 Iset unhonest-service 0. S3 W5 q7 ^& L. E9 k
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set oscillation 0, r |* r8 O |$ d$ D
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set rand-dynamic 0) j0 W0 F/ ^& }/ ]
end' Z4 y+ k$ f9 M# E+ W3 _* R
$ N/ v4 n1 N3 D8 o0 `5 ]to setup-turtles
e! c. k: |8 c* k9 {* c: s9 xset shape "person"
7 l9 h2 S! [4 x) W" Z( E: Msetxy random-xcor random-ycor) |+ d9 G7 K0 J% @+ n
set trade-record-one []' z# k/ i9 x( v3 |- `% J' J& X; X
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set trade-record-all n-values people [(list (? + 1) 0 0)] + `6 X. @' E R# o8 H0 F1 M" b
/ X0 u; R3 L8 U8 f" A' v% f, o. zset trade-record-current []7 a1 ]9 p2 O6 z2 d
set credibility-receive []
5 C Q" r- T D/ U' lset local-reputation 0.5
: Y! L; t( S5 C2 m$ C$ v% _set neighbor-total 0* z# V+ k0 X O
set trade-times-total 0
* c! d* @9 d, x3 h3 X* k: Eset trade-money-total 0, V# M. W$ }! r( s7 ]$ Y; K% e& i
set customer nobody
2 \' R$ o- d3 k5 K' A! Eset credibility-all n-values people [creat-credibility]* Z- G' V( j# S' C9 W- P
set credibility n-values people [-1]
5 X$ n3 D0 U4 q6 ~2 W, }get-color
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end. X$ i9 w+ }& v) E
+ p9 ]' E1 k+ d0 o6 E+ E
to-report creat-credibility" K- ~1 A; f5 [: |1 ?. }& [
report n-values people [0.5]
2 l; t* {- [; T7 vend
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to setup-plots
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4 e7 d3 y" I7 g: b! |% A1 o! @set xmax 300 N. [, E/ h ?) ]
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set ymax 1.0
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clear-all-plots
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! T0 b# n# S8 hsetup-plot1- l- q+ M0 ]9 l0 n1 U
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setup-plot2
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7 V. _2 ~) u% n2 |$ A. N/ usetup-plot3
9 b8 a1 ?/ c8 w0 h6 L8 p3 g. Eend: [5 e6 g8 v8 H+ X7 E! m1 h. V6 H q
/ ?' l& G, k$ _2 V" u
;;run time procedures+ l# W( N5 `% ~5 p9 o( k" c
( y: {* W. E5 W( D; Sto go; j( H5 T8 T; b( Q' q( R' `
2 m; w/ F# X" a+ V8 M& m
ask turtles [do-business]
, R% T2 ~; B- W) hend
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to do-business ' f _+ C9 M8 A1 {% V8 i0 n) E& K
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4 a: {3 s% _; J% K' S3 mrt random 360
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ifelse(other turtles-here != nobody)[; T4 l! W* G1 w4 |/ A
; Y/ o0 h! q7 A6 C& w) N) M lset customer one-of other turtles-here6 U6 G5 r! q6 | F5 |( _$ E
+ ~" H4 f: Y4 F2 ?& o0 W
;; set [customer] of customer myself
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# S, T$ z1 i, p1 g2 ~set [trade-record-one] of self item (([who] of customer) - 1)1 [! t5 s! M/ G7 `
[trade-record-all]of self
7 l3 ?8 w8 l: K;;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); K; ^) |- A; T; W( Q" d) V
[trade-record-all]of customer/ W! o$ j4 L7 T/ {1 z) _5 F
7 R+ @+ @, o3 Rset [trade-record-one-len] of self length [trade-record-one] of self+ Z! p5 i9 @8 a0 O6 q1 F/ b
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
" j, J2 S7 G5 \;;先求i对j的信任度( _+ |8 O* F$ i1 Z; {' V
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if ([trust-ok] of self)
1 P3 t0 J) w2 K;;根据i对j的信任度来决定是否与j进行交易[
5 p6 m% C* z' i1 T) y) eask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[5 \9 Z+ a7 l- e6 S) P
3 E" E. [+ L6 Ido-trade" k# |' s4 t: @* ]6 U& y
& W9 }" g* b" q3 x0 F kupdate-credibility-ijl
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0 k4 f: e9 x; s& X9 N4 S6 m8 Vupdate-credibility-list
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$ K3 E- {0 C2 J0 M* Y# R% U% _2 B
update-global-reputation-list' [& S! f6 b4 V) i
- I: h% _& q; b& r, Z# J; Ypoll-class
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get-color
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$ s6 a' L+ `: G0 G6 U3 J]] c" h" a: G% x) T& ?" a
) Z0 c6 {. p b
;;如果所得的信任度满足条件,则进行交易
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rt random 360
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" @ c! n! i& [0 M& xfd 1) o" P- P! ?+ ^/ X8 L
/ J' [$ r, z2 [# \/ W J1 X
]/ R# d/ Q* |2 G2 g
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end
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1 g. C. P% v3 ?6 tto do-trust $ j, I, h) i$ h7 Z
set trust-ok False9 } I3 i |5 ~1 I4 I; r
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let max-trade-times 0, y; Q$ I$ {$ t+ q% l# l+ r
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]% G/ K' K `& | l4 v
let max-trade-money 0
; L: V5 w7 h; r: \: uforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; K( y/ X; H, q1 d6 Klet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
4 K: a. o! [- B, c% i. m
1 X4 `& G* H. w' y6 N2 ?! l6 l
9 P! h0 E3 r* c: t: J; A) X! ~get-global-proportion/ J% ^8 ]0 A9 J/ a5 r3 U1 J f: K
let trust-value
( ^& _ Z# \0 x1 vlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)' ~% f& T; o* \* R
if(trust-value > trade-trust-value)& ~5 P5 J8 b, `. m# c; X
[set trust-ok true]+ c/ ] e+ y7 w9 D i ]
end' E' I2 ]. P9 f7 r+ K7 o: w# t- W
# b! K# W( J& |) B3 n2 Y4 Ato get-global-proportion
6 G h# x8 f/ A- h. h! K. o, gifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: [5 y) H+ ?7 t; \/ {9 i; B[set global-proportion 0]
9 Q5 e; h+ q, `* u6 y s: A# P[let i 0
! V% A& b% p; ^ Dlet sum-money 0
, t5 A! R" R8 jwhile[ i < people]5 a6 |: F) W& _1 W5 f' B& r
[
Y3 A! q9 [4 v; L# S+ V% |8 Yif( length (item i
) i! A0 H; R% s& n0 b7 f7 y[trade-record-all] of customer) > 3 )
; \* _9 P3 N$ S% w. v9 {2 s[5 L5 w" S. f! D0 G0 b* q9 x/ j
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
+ Z8 }( `3 ^1 o- U F+ s2 J]
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let j 0 K b. M, g7 U5 U7 s/ x0 L3 z( K
let note 0+ T, ]* D' `8 l( V! y
while[ j < people]$ a, u) ^: ~+ I7 c& i. c" Q
[# j" d$ ]: D3 m. T
if( length (item i
7 h8 i& @9 [* {[trade-record-all] of customer) > 3 )6 V5 T5 N- U4 t) E6 M
[% M% S3 b6 d; ^$ H9 e+ }: L2 T
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 H& m% ]$ A( ?3 q; q[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
0 U- r( E: U ~+ R- Q0 f[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
& G0 a) f6 [1 W, g0 R8 i/ X]& }; L4 d6 U/ O' F2 i
]
r" d5 c0 U R/ |/ o6 `) d5 t) `set global-proportion note
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end2 g( m9 j$ _' e) O5 }# \9 a7 J7 V
1 U ~( W' a9 U. i" i( s- Lto do-trade3 \+ n" l) Q: o- J( D
;;这个过程实际上是给双方作出评价的过程
# n: n3 |- |2 e0 W) X) Aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
9 d0 ^. A# ^' ]# W; uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. H# `& ?. D9 D0 W" J3 n! iset trade-record-current lput(timer) trade-record-current
+ k( K8 }) g4 d;;评价时间
3 K' {# [; a4 K! p# r- Dask myself [
' }" d5 K' R; W3 J9 j9 jupdate-local-reputation7 e) @+ I' F3 T' x' d' K8 |
set trade-record-current lput([local-reputation] of myself) trade-record-current
$ B8 @% Z% @$ m2 E]" ^8 ^1 z. K. E. r2 Q a3 Q
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 K5 W# e7 X) z: ^3 B" A6 W;;将此次交易的记录加入到trade-record-one中
9 D+ d+ B* H6 Z6 j: Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 N; ?# d. F7 j6 Alet note (item 2 trade-record-current )2 [0 o" R0 ?' M, m3 e, {
set trade-record-current; e: U( k! ^/ z( j+ V+ r
(replace-item 2 trade-record-current (item 3 trade-record-current))0 o2 ~' z1 }+ l5 T: x; h5 u. u( P
set trade-record-current! g, J$ U; V: F2 _
(replace-item 3 trade-record-current note)8 m2 Q) y8 e2 p7 o- G L
+ H ]" E! g1 f* z
) A1 f( H- A5 q* ^. N8 v* Fask customer [
* v2 E3 X! ^, j5 m4 Fupdate-local-reputation9 q' i2 w1 a1 {( \% S
set trade-record-current
* X' S+ V, o9 n! A+ \2 j: v(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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G+ ?# @: n: W( f Tset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)) z4 e: n$ N: s* r( A& `, q
;;将此次交易的记录加入到customer的trade-record-all中
) k1 U& b0 g/ P9 N) @$ `end
; A4 f \1 `* h0 i
m: n9 F# ?# Tto update-local-reputation
" Y% l( F$ K& J I5 b) Qset [trade-record-one-len] of myself length [trade-record-one] of myself, m* C7 k+ _9 L0 o
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;;if [trade-record-one-len] of myself > 3
+ ^; k& @: t* l; T! ~! P# [update-neighbor-total
, e9 e' j( z i7 I+ G2 q- W* X;;更新邻居节点的数目,在此进行
4 [0 |6 w5 I% P6 ?& }9 A6 zlet i 3% l9 Z* J s! c4 u8 C, n4 m9 @. T2 a
let sum-time 07 V! v; y; z1 X& x) i& e
while[i < [trade-record-one-len] of myself]
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set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
% {+ Q# E- C' Y/ xset i t0 J( Y( F* g/ r6 V# l
( i + 1)- y C) h5 X3 e, |
]
0 q8 Q/ o" d3 I6 ~" Plet j 3
9 g9 K- q& Z; Dlet sum-money 08 b% ^3 t8 u' o s
while[j < [trade-record-one-len] of myself]0 ?+ w d+ `# n$ l* A: A
[
2 `- ~$ t# b5 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)
. y* m4 K9 _ k/ z9 Sset j
3 M/ j) V6 K/ _, H( t) [# A( j + 1)
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let k 32 X' I: `# ^5 K6 [( u! e0 x9 _ z
let power 0( O* v: [6 b% J* t+ z$ n
let local 0
; J) E& j1 `: Y" h2 Nwhile [k <[trade-record-one-len] of myself]( I5 P( |- P- {! E9 Y# D4 v1 Q
[
: P) O {; D0 H4 zset 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) $ o; h8 @+ |( p$ C( P9 G
set k (k + 1)
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set [local-reputation] of myself (local) @3 n& U6 [$ e9 |% F7 _
end, g8 N4 e3 L& }) o) S, i5 [& j- j
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to update-neighbor-total- y) M/ O) {* }* x
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 S; ?) }- A& D6 X/ i3 o, M
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end7 \, |0 L) [7 Y O; B1 d& p
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to update-credibility-ijl
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. W: I# u7 n: Z* ~- s' E# e8 c;;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。* L2 r, C6 D- e: @6 ?! a
let l 0
; y5 x6 n3 B! s8 ~* X0 A. x P! Y- mwhile[ l < people ]' w* _) r4 y, _. ]( I6 @
;;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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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)# `, W- r- X- F
if (trade-record-one-j-l-len > 3)
% X( q( w% g' C4 b[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
! r1 H: v- Z: L: q8 Xlet i 3
$ o q @- I6 h( slet sum-time 0 g2 L: [( U% ]; V2 S. ?/ o
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ): G* Z- t/ z: Z2 ]# j" @) P" n& _5 _
set i2 }% j3 d$ b* f& M6 g* x7 G' X/ T5 X
( i + 1)
; A4 B8 p8 F# J0 r' D' d: N]& z( r: Q! [/ v2 v) Y5 N# Q% j
let credibility-i-j-l 0# k1 d/ G8 g& C; L/ F1 b
;;i评价(j对jl的评价)( [: g, K* i7 X. W/ h i5 f5 o
let j 38 h" u6 H: w& Q9 a7 c
let k 4
) S- G6 T( H' Lwhile[j < trade-record-one-len]
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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
" a6 @: w% q4 \# A4 C+ Gset 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)( Y- @- j Y% E+ M. T
set j
4 }8 N3 r1 X" |# C1 U5 U( j + 1)* [9 n: j4 N6 D9 S
]; _# r. y: N) n
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 ))( F d6 o8 u! Q ]
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) ]$ V0 m6 s' j4 b4 H/ ^let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
3 ^" S2 ^6 K8 _! {;;及时更新i对l的评价质量的评价
5 K2 q) E& O- M- V' D8 m* m) R* Lset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]: O. f9 L# X( f1 C3 H; K- @
set l (l + 1), y4 F8 K" @1 h# o* k; [
]
' J' R9 q+ P& X, oend
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: s: f: U4 t" |' h: c9 {& a3 t: Nto update-credibility-list
& v, _( y3 p$ ?let i 0
* \1 c( _ E. h4 Wwhile[i < people]
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let j 0
: {9 y4 V2 K8 X7 |/ y# Slet note 0' t7 l1 p+ h# c( |# @# E B
let k 04 t( S, V7 O1 [ N
;;计作出过评价的邻居节点的数目
4 y# c4 y) G* Pwhile[j < people]
4 \* q+ j$ X7 k/ k4 b[
1 z/ N5 F! D ^& l- N$ Bif (item j( [credibility] of turtle (i + 1)) != -1), A: L0 p! ]2 j ~: W1 {" h8 a
;;判断是否给本turtle的评价质量做出过评价的节点7 q' s- _5 i3 e& o% w: L
[set note (note + item j ([credibility]of turtle (i + 1)))
. Q. k+ Y* E+ F/ r;;*(exp (-(people - 2)))/(people - 2))]. s0 ?* E9 H, e0 ?& s& k! B
set k (k + 1)# ]+ L N, [' f. C$ @, Z, @4 P
]( P0 } w. T' L: z
set j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)
9 Q0 o" x: B; ^set credibility-list (replace-item i credibility-list note): Y3 Z# r( y, D) a& i
set i (i + 1)( j9 [" i4 y% q3 s. w. N
]
$ |4 J6 b; d5 L, @end
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9 W- D' E) U0 b/ M. Ito update-global-reputation-list7 T7 {4 W0 w' l; a8 z M$ b8 f1 A
let j 0+ |/ I2 V1 {/ i
while[j < people]
% U6 s) X. M, {4 `- O6 E[# w4 R- I- i- k2 b" _; J
let new 0
) @9 z& I$ _) ?( `;;暂存新的一个全局声誉
3 R8 D6 y2 B. rlet i 0
4 `, _0 p; K2 elet sum-money 0
8 [# r1 o2 @# qlet credibility-money 0
2 q* {' o9 s5 }0 i. u) x! u# }while [i < people]
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set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
* d. o+ \! u/ z k& F8 {) u- tset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))5 ~5 X# Y" Y: s5 V+ D$ T7 C
set i (i + 1)
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let k 0/ D- |5 n+ x# g% p) @( [+ K$ v- @
let new1 0- ]3 H G; k! n0 m) h0 L
while [k < people]' V. n- }( K5 r6 ~
[
* B, j' m7 Z& Q2 ? ~8 jset 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)/ w" G7 z" {% O. {( z8 `$ r- O
set k (k + 1)7 M `% g# z% ?$ e/ \; l
]
* m5 |+ f0 D$ a H0 Lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
8 w0 l1 N9 g% Z5 V) g+ ?9 I2 S7 `2 qset global-reputation-list (replace-item j global-reputation-list new)
5 ?+ M5 d& x& q: P* Y D3 Zset j (j + 1); v4 n7 K& A# T# A8 k
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end
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% [3 |' L* r- y( b& gto get-color
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set color blue) J6 Q+ K1 f4 `; ?9 A# e! q: }8 O$ D
end
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8 z: X- N- d& Y; v2 Ito poll-class( `% A; S# w3 U, s7 \5 J2 [$ ~5 ~
end
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to setup-plot1. p/ K, i/ Y( V0 B9 C5 _2 p: r
! z6 h! s! Z$ A+ j2 x, Sset-current-plot "Trends-of-Local-reputation"5 V" A7 l! o5 x5 P
/ b. G# z* `) M% L; B& G- |. hset-plot-x-range 0 xmax
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, o: R: u7 P" I8 G. ~: Rset-plot-y-range 0.0 ymax% }; ~3 r. v# o4 K7 {' _% X- d& g
end2 a3 d& t# y+ y/ A9 t) k; d
" u, Q, K% _2 u$ \5 w1 u. Fto setup-plot2
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- J; J3 s Q) V% }4 X. v. tset-current-plot "Trends-of-global-reputation"6 }! E+ \) B0 \% J. f
) d( e9 z8 e0 \! eset-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax
. \2 m4 S3 U: t3 F& j y# C% Uend
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to setup-plot3$ S1 a6 I9 {+ S% y6 V, e! t
) {* T& G& {1 J+ R1 O* Q) H
set-current-plot "Trends-of-credibility"
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* S: d0 M2 {+ E, A& n: c3 `/ Fset-plot-x-range 0 xmax
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/ H- B! U V( N" [set-plot-y-range 0.0 ymax. o! o+ r7 N+ @; v1 E
end* }* W/ j6 N K4 D# K2 Y
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to do-plots
! T: V/ L3 Q) t3 l# b# kset-current-plot "Trends-of-Local-reputation"( Q7 ]; b, Q, b' t, X- Z
set-current-plot-pen "Honest service"
' }" F3 ^: [& n) T& {+ T' iend
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2 F) n \0 }+ H/ N$ d[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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