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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0 h. g5 ^! A- D$ V6 {
globals[
& ~8 M6 q# m1 `. t- a# L9 axmax
- L( x! y: N9 W* e% V8 d5 Iymax! q( ^2 J' K! I& }3 p8 m g
global-reputation-list3 K. S' g* t! j; G
) }; j6 B, R8 C- M
;;每一个turtle的全局声誉都存在此LIST中
5 G9 R5 Y2 d0 F$ V; wcredibility-list- J6 b3 X8 u N1 Q! R
;;每一个turtle的评价可信度
3 v9 |" P/ I/ X7 y' r' Phonest-service
+ n- ?1 g) u) J! E1 S% nunhonest-service6 e/ N- z' t' |. x
oscillation l) |8 M1 `7 v, L! M9 F
rand-dynamic
( z$ w- b# r7 l" r, {]
, I a" I0 [6 f+ U
3 B% ~1 U% X7 H' U+ _( Qturtles-own[( ^" w5 x! g' ~9 E8 s
trade-record-all+ I0 d# [5 v* f Y2 {0 X6 r" {$ `
;;a list of lists,由trade-record-one组成& S. d. M1 T4 }" {+ N4 s) ~3 M/ h
trade-record-one
# U* i$ G1 ^: w2 Q( l0 F% ?+ k;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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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]]" W, J1 j% M9 E) g& c- ]% C, d
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]; [% w' e0 m3 ~- @( L& F
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
5 F" U( \/ P% @" n4 e8 Tneighbor-total6 u( n, A/ v& X/ g
;;记录该turtle的邻居节点的数目+ f( f6 z3 }0 f* ]
trade-time& I& c, j# x8 @
;;当前发生交易的turtle的交易时间. y/ i0 |* Q3 ~ X) K
appraise-give/ E6 f! G6 N9 y2 F/ V3 F' x: r
;;当前发生交易时给出的评价: N9 s* R+ f, h# p; c/ A- ~, y6 t" j) I, b
appraise-receive
! ]! h( h9 {& K1 z;;当前发生交易时收到的评价5 A" C5 [$ ^1 Q' @4 R |
appraise-time
+ I. o3 C) B! I. h1 \2 N;;当前发生交易时的评价时间) k. l0 l8 a- k& @# z2 E
local-reputation-now;;此次交易后相对于对方turtle的局部声誉, F. Z5 X5 @8 n( h
trade-times-total) w; f }7 H9 @
;;与当前turtle的交易总次数
: \% v) _0 K" ^, r- U5 {trade-money-total5 \# E6 K1 a, I! W' _" w
;;与当前turtle的交易总金额
* T: e& ~0 l+ hlocal-reputation" m/ K) E' W7 e5 {; m2 S
global-reputation
+ F& z3 J" ?2 U' w/ E) V' V+ v' e Wcredibility
' f2 c \# z3 X v+ l;;评价可信度,每次交易后都需要更新
# p- _6 | D! Q- d7 Tcredibility-all/ N! q) u7 L9 i* n+ a% I& x/ M9 j
;;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% m( [' e+ q! O* ?7 G8 ?) v
: s7 D# h+ A$ n' L3 b9 t( q; c s;;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0.57 ~6 R- Q) {* j- C5 i# ]8 r$ ^2 W
credibility-one( \1 q3 b2 K& I, s# ]7 G
;;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8 a6 t" S) f! x# X
global-proportion
6 W: s; _* J6 M) u* k5 R1 E) Mcustomer9 p! f" V( z, G) M- m
customer-no
# c6 d$ E1 _" k2 W5 Q' itrust-ok7 P% N7 Q8 u5 d: \) w
trade-record-one-len;;trade-record-one的长度
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% F% _# o$ L! O0 @' y% I2 c* [
;;setup procedure
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4 ~& H7 P$ M7 K- {to setup* b4 _1 R7 l8 c2 {
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$ g; I+ q$ y( W3 ~5 \initialize-settings! _3 W! @' ?5 c# l" k* g5 S
( z& x, L1 e! }+ |& ] v3 D+ S) M Kcrt people [setup-turtles]
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reset-timer
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poll-class
1 ~; }5 K9 p7 {* i- Z/ q/ D& H
% i6 t5 g1 {6 n4 [( Csetup-plots
$ f4 D% H- _) m0 I M; x9 T
' {# v3 F/ w; Hdo-plots7 f! Z( P$ z( E$ i# ?
end
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1 A9 M! J% V5 D+ c) V. D9 xto initialize-settings
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set global-reputation-list []
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4 y9 X6 X O \. f9 i( kset credibility-list n-values people [0.5]
% [ K; {+ ]$ k: F' c
8 d1 k$ x6 q$ F4 ?1 H( \. Uset honest-service 0
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# O4 n( Q2 |1 kset unhonest-service 08 w# r* ], J8 I w$ b
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set oscillation 0$ I; J, q; o" Z; ~" l* [
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set rand-dynamic 00 c9 i2 f# L0 t
end" e' w. T% ]5 A# y+ @
8 k; h- K z$ b/ s6 Qto setup-turtles 7 ]" h* M" E9 |1 @6 _ _
set shape "person"
% a0 Y* O% `9 i+ @setxy random-xcor random-ycor
9 A8 t2 a( ], K5 I) X! O: d% T5 r1 Zset trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []* G+ V) G2 P6 I+ [+ b
set credibility-receive []
. x& B+ M/ k/ I) D( P8 Oset local-reputation 0.5
* _& ^! D4 C$ G2 C/ B2 Mset neighbor-total 0
; d- x# d" ^: n* z3 O" o7 f% t3 ^. \set trade-times-total 0, _! p* K6 Z4 d/ W7 H5 Z3 u
set trade-money-total 0
- l' H9 s% Y3 }- g. Cset customer nobody
: N( x% n5 e1 hset credibility-all n-values people [creat-credibility]
6 B, L! u7 s( e2 T3 nset credibility n-values people [-1]
# k( V" W6 b, g7 B# Q$ dget-color& T* Y( z" `: B! f$ F4 S* W/ A
6 \ U* y+ i* uend% |3 r1 K5 Y9 ^+ h' v- j2 L9 v
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to-report creat-credibility
; D% b- q, j- d) N; vreport n-values people [0.5]
! u6 s# I. J. _end/ J# K9 k" x5 o
+ ?) J! {8 I5 o
to setup-plots, k4 Z4 t7 E; ^7 `$ h
; f2 U1 ]+ R, U3 p; ^+ E/ {set xmax 30
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set ymax 1.0
+ p" D+ [, w! ?# d/ {, x' g. y
: i8 J- n l, W: \clear-all-plots
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. a" Q: p. O$ H0 ]. Zsetup-plot1" B! c# F8 j& R. X
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setup-plot2
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6 T( O" K0 q& i/ ?setup-plot3
g2 y+ o: g: r; p) o Gend9 Z. M: S4 M7 v/ |
4 j; o& j1 A X V6 f
;;run time procedures7 V' f4 a7 t4 H$ ~: ^9 n3 K
6 D$ L* _% ^; I* {$ q' w* z, @- }2 dto go2 T" |; c/ g/ ~" q
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ask turtles [do-business]4 G/ |9 e: ]+ O0 Y% z
end
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to do-business . y( \0 D, Z9 p2 z# A& j
+ n( y, e0 v) M& ?3 w- _
) n+ B1 L! ^, v% ^* irt random 3609 ^& {/ y5 P3 I! i) q1 w
5 O6 k: m+ S8 V! B" E+ zfd 1
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here- P0 F \- s4 {7 f5 r! q
$ q$ @# ?' K: R% t- {0 Z9 W* m7 A;; set [customer] of customer myself
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5 j/ h0 I) ?/ ^: y( Z. h( i" |& Q8 Jset [trade-record-one] of self item (([who] of customer) - 1)
' \9 _+ {6 A3 U6 T; k! _[trade-record-all]of self
# `; B0 j d/ j/ n;;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); W: F6 `5 D% k9 Z$ J% ]4 s
[trade-record-all]of customer
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5 ]8 `# O; m: B7 ?- M8 m/ \' t. a" Rset [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))9 u# t$ P% D" n' I# \& c3 _
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ask self [do-trust]/ U; k7 {) |7 d& g1 z
;;先求i对j的信任度
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if ([trust-ok] of self)
, g* [, |& Z& _& {# v% P9 f;;根据i对j的信任度来决定是否与j进行交易[
5 T5 Q& H/ z! Y3 Iask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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. d( a. Z% w$ [& w
( j$ B5 g. J/ zdo-trade) G' q% g: S+ o# W8 A
( s' o( a1 X; o/ T9 D _
update-credibility-ijl0 f/ _) B* M, ?$ s) ?" p% e' [, z: }' e
3 w2 [ `; |# _0 c" G0 g; Mupdate-credibility-list
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4 m% a- o9 h6 L: k3 i* s' `' R- Supdate-global-reputation-list
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* s/ q/ X2 v& l' A Q, L, h9 Mpoll-class$ X8 P' u2 L9 }
. N: \1 ]& p- @get-color
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;;如果所得的信任度满足条件,则进行交易# J. h$ y/ z4 R8 `4 o3 F# g- H
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[ N4 z g* L: q! a
, }% I+ [+ J* c4 l# @2 crt random 360* E: O7 Q$ Y6 K1 I6 a; S. M$ C! i
# g* c2 i( Q/ @5 p+ f6 n
fd 1
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]
9 P' U' @% o. g* X/ ]$ j6 E% U E
" c: N+ n3 E+ p1 g5 @end
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2 m# T- @- I! P9 L1 S oto do-trust
# ?; ^9 [ @9 y2 [% ?set trust-ok False p, T* Z3 j4 G/ A: s4 L
+ z. G8 Z7 Z/ u" G: c1 ]* L3 J1 \1 d- ~8 N
let max-trade-times 0
/ H$ U. g4 a" f' e7 @4 |. p1 oforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
f1 W6 C, E6 X, g- c1 jlet max-trade-money 0
2 C) |- P. M' V! C. Tforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]7 ~# p& D/ U7 a0 K ?$ L# m
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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get-global-proportion- j; H; G! f, N* Y% B
let trust-value; m5 K1 w8 b+ W( r* q- F6 ~1 s
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)9 L$ G3 [- n8 w: s# W. U0 u' m) F6 A0 f
if(trust-value > trade-trust-value)
1 V( g) E' B; S" {- l[set trust-ok true]# ?9 i. y* O) r G" Z$ Z% M
end$ b( k7 Y$ V7 A6 |: G2 p
3 h" g4 ~3 d1 r' R& X/ lto get-global-proportion
& w }) }; `5 T+ K* Z* L. l3 [ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3), d# A4 J. }9 |( P; r H4 D) T% ]
[set global-proportion 0]
/ B/ U1 F) x' H) |( l' \3 G c[let i 0. l+ m$ u: L! G! O$ I6 n
let sum-money 06 ]- @8 L5 Z( A2 U) U1 o- _
while[ i < people]
; U$ _$ Q- H+ A ~[& n' [5 R; Z# ~9 \" ^3 U ~
if( length (item i+ h& s/ z6 H4 J9 R, {/ u
[trade-record-all] of customer) > 3 )
3 \5 J0 Z/ Y: A, |9 |7 t4 j[+ U# Q3 {2 h9 c4 M6 L0 @% b" ?9 P3 {2 Y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
9 w; ^0 _! L: u0 k]
/ A6 ?; K2 A5 n2 e9 Q6 R], x) u- e" w3 D4 M
let j 0
" s1 a# [1 V2 \2 B( B1 Glet note 0* B: j% H' H4 O6 V6 L& U
while[ j < people]
2 Z5 v: _& v* C5 S- ^: a[( U0 }. M |% U; g
if( length (item i+ ~+ u, j" _1 ]8 {: m o
[trade-record-all] of customer) > 3 )
) u) E, B9 F% P7 j! \; [2 K( q[( ?$ f3 k! N' \0 ~
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' I7 u; d9 J: p, X% P
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 ^, J4 f4 r5 v( T! I$ D" }[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]0 m6 D: H* X4 h2 z' C
]
! H \$ [$ Y3 _9 g8 C4 v], r1 u- S1 p* s. j# O" V
set global-proportion note
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end
; ^/ f8 K8 z7 o, T5 j8 D8 `8 Z2 b- f/ H! P: j
to do-trade* h$ O% X8 x7 b' i
;;这个过程实际上是给双方作出评价的过程
7 `* W' o1 W0 x/ [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 N, ~# z' z. e1 E/ [0 W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
& _. M% w2 e6 T0 P, wset trade-record-current lput(timer) trade-record-current
9 s9 @( \, T8 j$ v;;评价时间 I4 Y" ^, ~9 P' q" ?. z$ T
ask myself [
" I' o1 K, F# Gupdate-local-reputation, m. z3 X3 `! Y2 \3 C
set trade-record-current lput([local-reputation] of myself) trade-record-current5 j" Q4 Z7 v( X" F0 o: \
]
% `2 l8 }: s3 O. q# X4 w! yset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 }7 X' X6 s% H- e$ \
;;将此次交易的记录加入到trade-record-one中. a( N& s: O. t
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)) B/ l8 ?/ D+ ?- N& O: E& u( n
let note (item 2 trade-record-current )
( T8 j3 U% c9 Z' t& h Lset trade-record-current' j Z1 \8 S% O6 M5 K5 S ]% C
(replace-item 2 trade-record-current (item 3 trade-record-current))
3 @# J& z% E- G( I5 n) {set trade-record-current
3 ]( `4 O0 N; Q(replace-item 3 trade-record-current note)
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9 ?5 Q8 u6 z* r, [" E, I1 D6 Eask customer [' L" M+ R. s# K( ?: _# S
update-local-reputation
F# B. o- [& zset trade-record-current
s+ l4 f" `2 p E+ p% K0 R(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * X7 z, B3 X! J' f E# u( d
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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7 ?( _2 r5 Z3 O5 `& _set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
; p' o2 C; }- G;;将此次交易的记录加入到customer的trade-record-all中: y8 F* Q' ]/ s; l* J8 K
end
" Z: |9 w. B; K! k" X/ n4 X& {9 s3 _
to update-local-reputation
7 I. P9 n" i0 d1 R! \( X" Yset [trade-record-one-len] of myself length [trade-record-one] of myself
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;;if [trade-record-one-len] of myself > 3 " a1 G" o4 t0 s9 a" l% ]& q
update-neighbor-total
0 o" J7 X. B* k$ [;;更新邻居节点的数目,在此进行+ t0 N+ b+ ~4 {" |* b4 ~
let i 3
4 ?3 M1 H, l; X0 X! p8 Z9 C0 slet sum-time 0
- x( @. u- ^/ V5 F( [while[i < [trade-record-one-len] of myself]& Q3 h& O3 D) v% m
[
% `; u" Z0 K4 \set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ [" M f7 H s
set i8 h# y% l" {. b3 S/ f" g
( i + 1): W8 [; C* ?+ O' ^7 |
]
; S( K5 n9 i" L7 u2 g! s6 Klet j 3
3 J" Y C; q* Ilet sum-money 0
* w6 C6 A, S r2 X |, f Lwhile[j < [trade-record-one-len] of myself]* H+ R/ X( w, B# \% S. O
[
3 w) [) J, r; o0 Q! U' V& Z/ dset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time): B, D; D* ]8 [; v5 s# {& |: q" L
set j
5 z1 }+ X6 v: w. b( j + 1)
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let k 3! a$ v: p$ q: Y9 a/ F; C$ w m
let power 0# w" U9 g/ O& _1 T
let local 0
) ^ G* v; j( L7 c" l" J/ k) Kwhile [k <[trade-record-one-len] of myself]7 O- D4 @' w8 K5 [5 ^8 o
[
8 g G# Y4 g0 S, 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) . Y9 U. ~- W$ e- I8 V. G( z! o
set k (k + 1)
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set [local-reputation] of myself (local)
3 Y1 ~4 f& G' w U" Cend, ~5 d) e6 R- }0 V7 |, e$ U
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to update-neighbor-total
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2 Q: {$ S+ L* o3 Uif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]8 v! }. V! [# [4 |4 [' @3 k
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end- o( L0 Z. X) s F6 k& e4 w
0 Y5 p& h# X: c! S9 v) s/ Lto update-credibility-ijl 5 c0 n0 d W* @) M6 _3 w4 q8 H
7 \/ Q' D0 o2 v
;;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。
1 G4 J: i3 H' qlet l 0- P# }. ]. r- J3 ?7 A& D: n1 F+ a
while[ l < people ]
3 g6 G; m$ K: O- J) D;;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)
2 x9 ?/ N! w7 V9 E0 c' e2 ^if (trade-record-one-j-l-len > 3)
5 C) {0 z! f# k9 e S+ y f, [* k[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' H, {: z% U: m. J k
let i 3
$ g5 }# g" z" {) qlet sum-time 0/ l! k/ f5 o; O* q2 U3 Q0 k
while[i < trade-record-one-len]
3 w+ o1 t6 B: r5 T D% t[$ g& P- V% X: j$ M8 ?5 S9 U
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
8 H( F- q$ n) }" M9 ]set i
- x$ L1 N' B. k ^- x6 ^( i + 1)
. m. {7 B! g3 m, F* L& i+ j$ O]
4 v8 Q1 v y$ }& k xlet credibility-i-j-l 0' \6 k s/ b) z: K1 x
;;i评价(j对jl的评价); C3 u. @# L: z5 c! i* b8 h# o
let j 3
3 a# r2 Y# k" G6 i, }* I1 Y) A" mlet k 4
! J: z# M4 j5 m, B% N/ Y5 n0 }while[j < trade-record-one-len]( Q; O9 J) W9 N N& m! h% _
[9 g: B0 R7 A% k1 w6 d% B
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
# I2 V. F7 B( Q% _6 iset 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)" T6 \, y5 a ~
set j
5 v N" z2 e' U( j + 1)# p0 H8 B9 t2 d
]' E$ g D* G) ]/ y
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 ))$ q6 w4 N) H. X9 Y- D8 F8 E. J2 b
& Y/ |1 h/ g7 }0 s# C
8 G$ X* \* [3 B4 glet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
9 y! f2 @, ?7 F, s;;及时更新i对l的评价质量的评价/ j! V% a7 S" P: K/ @$ B6 |
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ], `# |& s: L! P; q" J
set l (l + 1)3 T$ y9 g4 P L% \0 T8 {# J. a: p: x' U6 y
]& I. B1 H' C$ M3 W
end, Q7 j( X! f4 q" S3 M5 c/ g9 X5 z' y
2 V5 |: C) `8 o& S7 w+ e
to update-credibility-list
0 J/ x' Z. G5 x0 {let i 0
, G# ?! i- B2 ~, r" ]while[i < people]
* v' Z- s$ v' L' i6 ^! ~1 ]! Q# r5 x0 [* ~[# E, e2 a$ K2 a n3 M/ m
let j 0
* ?& T$ J9 r7 ]2 z2 L; j$ }let note 0
1 m+ p- E8 Z$ m4 Rlet k 0& X2 D# A/ E E8 Y9 A- X) }
;;计作出过评价的邻居节点的数目. J& l3 x- Y: [6 [9 M% W3 b6 I D
while[j < people]
1 E; f, u# u0 e- A[- I% j8 O2 b& T# @! N0 Z$ T
if (item j( [credibility] of turtle (i + 1)) != -1)
: |$ h9 g2 h/ [0 a; I+ x/ |5 N;;判断是否给本turtle的评价质量做出过评价的节点
# `2 E+ r4 p2 b2 }* [, `/ f[set note (note + item j ([credibility]of turtle (i + 1))). u2 X( S$ N" j
;;*(exp (-(people - 2)))/(people - 2))]7 j4 ^; L' K2 M$ [% k
set k (k + 1)
# T3 K4 N6 t, f) R]# Z, c2 V0 ~$ c
set j (j + 1)
% i! i. u, O8 U]6 B6 A+ F! E8 L" z( V$ J$ G
set note (note *(exp (- (1 / k)))/ k)
& `9 [8 O" K, u6 pset credibility-list (replace-item i credibility-list note)
# A! v; k1 J5 S; mset i (i + 1)
: }& g1 M0 N0 b4 k6 U: c/ B]# c' h# @0 i3 Z. ~& C5 C+ T! x4 |4 `
end, I5 @1 u9 ?! E) ^: x, M1 d6 D, Q
3 w Z* b/ Y! w3 d
to update-global-reputation-list2 y' _7 i) |$ F$ L9 Z4 D3 g, c. l+ ]
let j 0
8 j# h' N7 }+ K" U2 kwhile[j < people]5 }* ]1 z! N, a3 I: n
[! D2 S2 Y- ]/ K8 I% O8 H2 f. y
let new 0
8 }+ f" C9 y6 |2 H+ j# J;;暂存新的一个全局声誉: B" W8 }+ q7 N4 ]# t; j0 I
let i 09 c7 v" [1 b# ~. a- r4 g7 h
let sum-money 0 `* |9 x7 I5 O8 e1 `+ l. @
let credibility-money 00 X7 s* e2 r) R$ h( g6 N
while [i < people]
6 e/ s" D& T& T3 c# [5 |, b[: F$ ?7 @" K$ n. V. o: ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' Z) ?+ d; y$ zset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# c) p/ u' w* T9 E: b* P
set i (i + 1)$ L5 T4 h6 m5 U7 b" K0 u+ \
]
4 b; e% M; p* Q0 r. I+ Ulet k 04 m8 I0 ?4 l) c: Z( h6 X
let new1 0
- X9 `0 b- ?/ s, [while [k < people]# V$ b- N# \9 H( Q
[
/ v( p+ H$ ?" vset 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 j2 w2 N$ W8 o# N
set k (k + 1)( }; I R( }) J2 j {
]' Y& ?9 J/ j2 F- Y' S
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* w' S- F% |0 L9 x& ?set global-reputation-list (replace-item j global-reputation-list new)
* `+ d [! E+ mset j (j + 1). e3 X! O0 p' ]1 S8 Q
]8 f8 i1 d* T ]$ {. v* _3 S7 j4 N
end
2 i$ l8 a2 @9 D4 Y' d3 O
7 d6 D, {5 |% J% D1 C$ |2 j* } `8 e$ V
* L/ |% }" U$ g' M$ d! A6 a
to get-color
' \. @& P- a# u3 Y2 ~5 R7 Y& W% b# O, W' O6 Y+ h
set color blue
0 r" L f$ p( G8 q7 z0 Q, M4 I; G9 aend
# d% J& {8 c/ i' j# n6 \/ J/ y+ C7 W3 A4 s8 G5 e9 t. f8 ?/ i& o
to poll-class
R/ e: i- L/ |end4 F: Y8 o0 C7 t' h3 |
! H9 B- \+ G! y; K+ R8 `- f7 O
to setup-plot18 G" @' R1 n4 T: A7 }. x9 L% i
( j1 b7 h+ m. ?8 @
set-current-plot "Trends-of-Local-reputation"
, ^" C& P, Z+ ?+ Y
8 s* y0 ~2 q7 Hset-plot-x-range 0 xmax+ F9 [' q! H& K) \
* A0 s d$ I; `9 O. a- y. D
set-plot-y-range 0.0 ymax
7 l/ T( R6 o; L) A+ U" i1 Tend; _0 W4 n) F* D& k: Q7 u) R6 N/ P: u
8 v/ f0 l2 j3 X: |* ato setup-plot2
% O3 A) Q: j5 P7 J e6 q
. C9 n2 _' M. Lset-current-plot "Trends-of-global-reputation"
4 @# G" k$ R) c5 @2 L* k1 @: d' T% h9 `2 _
set-plot-x-range 0 xmax: q& A3 O" R/ |* s* U7 o
3 T! N4 A. v5 H, x1 Vset-plot-y-range 0.0 ymax0 B7 ?' F; L i! M( P3 Y5 x: }& T3 U0 s
end
( ]7 y7 R- g; V
, Y) S5 J$ `) `4 [! s9 N4 F) N* R8 bto setup-plot3$ d o& Y; l4 T5 ~$ I4 t
$ B+ E% U4 ?; F% g/ S0 T8 T5 U/ @set-current-plot "Trends-of-credibility"
+ s. _2 E1 F6 |* C; e
- W2 O( @& J3 ^$ Bset-plot-x-range 0 xmax
0 G; M! |5 p) I: U. k f, w
E: P' e9 K% C, t" b" \6 _set-plot-y-range 0.0 ymax; ?3 @5 p7 E5 Q8 C% H+ _
end2 \) m: |. [; a2 S
5 R% @2 w+ N% ?
to do-plots& [4 ~1 R; |$ N+ s8 Q
set-current-plot "Trends-of-Local-reputation"5 b8 E( I6 i" E8 t m/ {) W( x' Y
set-current-plot-pen "Honest service"
3 R% e! x1 l! S2 I9 A$ q! v+ Mend% p% Y8 J2 `$ Q7 @+ r
( {0 f, y) t( ~. \6 u/ S/ { e! i[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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