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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( K' ^0 [' j2 m
globals[
# \/ v3 I0 f' N) wxmax
& m4 O! R# G3 |ymax- y3 Z: W* ~5 P- g9 S+ y4 k* `
global-reputation-list5 @% r# c2 z5 p* _ R
5 v3 i X3 p* \) ]# ^1 Q2 X- v
;;每一个turtle的全局声誉都存在此LIST中3 i& }4 s) Y/ T0 s& t% c4 q
credibility-list: _8 _3 o8 p) x4 J
;;每一个turtle的评价可信度
0 C$ L: ^# [. d) l0 X& j; u. ?$ Chonest-service; Y( @& x! V) f1 J! D7 k( E
unhonest-service
5 Y8 Y5 C' ~6 g. c* K4 N, L4 ^oscillation
9 Y- `& M7 ]- vrand-dynamic
# U. e* e5 W& h]- M [4 A" E" P6 {
6 _: j( P( w1 E$ S& A1 I9 x% y
turtles-own[* t. i9 P4 }3 Q# E5 G. z% s
trade-record-all
, P# r" v! E$ y( m; w;;a list of lists,由trade-record-one组成1 Q9 \' W; {* j0 l+ F
trade-record-one" \2 D3 K0 P2 X3 V! T
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录. U ^) h( I2 Z4 x- u& j x
0 L$ G# x X! {9 E2 l2 A: A
;;[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]]
1 t* X2 v C4 V8 A2 t0 ktrade-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]& t3 o8 o# ?* p- y5 Z$ P
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
! v' u4 d9 U: a, Eneighbor-total9 j. I2 W1 ~3 F f
;;记录该turtle的邻居节点的数目* Z& b; l, W5 ^
trade-time
6 S, Q6 W7 L2 ]; R$ P; _% ?$ {;;当前发生交易的turtle的交易时间7 |1 @1 d- t7 [' ?) Y; |+ {' Z( M
appraise-give
/ j! n, N- a% _3 J1 P2 x;;当前发生交易时给出的评价
5 d: Y0 i% T7 r& O$ y7 Xappraise-receive' ?9 T( ^$ M- A0 o3 i0 c
;;当前发生交易时收到的评价& w' F: ~7 T# \) O. I- b" a
appraise-time" z! P8 r5 r! Q8 a8 g
;;当前发生交易时的评价时间
* E& i! q( Z# W- ~+ L, v- jlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉. }) {0 H7 Q5 C: V* P
trade-times-total
0 s/ `: v) h+ p0 _. E1 u9 g& k;;与当前turtle的交易总次数 m' o9 u# B9 V
trade-money-total: R7 C6 w9 r, T4 j l7 `8 v3 Y! I
;;与当前turtle的交易总金额4 c( D( d% y# h& C
local-reputation+ s6 a. l u* p
global-reputation
; q% Q. K. T8 u1 \) m( acredibility
2 T1 }# @8 i: m0 ~4 _;;评价可信度,每次交易后都需要更新
1 d: c2 y5 E2 B7 ?$ I9 `credibility-all
& `: d5 j+ B4 h6 z1 ^) O% M1 U: i! P6 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9 y# f) Y& D1 w$ H
- @ n1 B/ ~% a9 {;;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- M; d6 P6 m+ Q" k, e
credibility-one, \) m$ ] [# U
;;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 y q- d! a, c! E8 [- q# ]global-proportion# {1 C6 o4 G- e% v2 m/ a
customer
# ` U& j! ?5 m% acustomer-no5 q: C0 R u6 O0 J: v+ G6 x5 i$ X
trust-ok
2 u3 D3 x- p9 A' v* vtrade-record-one-len;;trade-record-one的长度7 }; L2 X$ B. L2 e- s5 T( Z
]( O _- q$ D8 \3 V
7 M, m3 e6 `2 ?0 |$ E
;;setup procedure* z5 G: Q) F4 V
% K/ N# T& D/ l, A" P J) t$ ~to setup
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initialize-settings
: u3 d1 s3 T" U# m, I$ F7 T. C6 k# J7 ]- Q3 Y( ], o% ^* U
crt people [setup-turtles]
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reset-timer: ], G, M. J4 |
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poll-class
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" ?9 e7 {- H) ?) ?, h4 _' o: Osetup-plots% \! B" M8 j" C; M8 b& M5 L
q _" Z) k; h V# w% N0 Q; N& m
do-plots
+ d& K4 \; L& ^/ [8 z) X7 Pend
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to initialize-settings
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0 `1 t" q) g1 Y$ Eset global-reputation-list []
# v/ H& w. e+ P! }
4 O- |# m0 r( K* s" s" rset credibility-list n-values people [0.5]
" Z- N* }6 b) j* q S# n
9 q& ~7 X" l- G7 B$ s4 Aset honest-service 0
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set unhonest-service 0
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set oscillation 0$ F Z5 o- \1 X9 F+ J
: k$ L7 b( X, t5 k/ \) v
set rand-dynamic 0# S: B$ L, d9 r; W2 F) w
end6 L8 |! l4 b" n5 r5 z5 g X
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to setup-turtles 4 {( J. S/ _* K) r! d+ X# t
set shape "person"
/ y' a5 B- }& [- x$ C- Asetxy random-xcor random-ycor
' q2 n: K7 d5 {) Z2 ?5 }8 `% hset trade-record-one []
2 N3 t$ ]1 d- @; G& @' b1 u, ]- O3 }0 ?; D
set trade-record-all n-values people [(list (? + 1) 0 0)]
0 G. H' x* B( n5 n2 Q8 l
! W7 r- c8 N( G! e& }- u& X0 [set trade-record-current []: R" u; ~4 m+ J1 X3 c, }
set credibility-receive []" V6 h4 I% _$ `0 U0 ?; x% e
set local-reputation 0.5
8 b* _: \; z+ b$ i! q( j: Oset neighbor-total 0
1 F- ^' r- c5 }) Z, m7 hset trade-times-total 0( J1 {# Q( e7 D" [
set trade-money-total 0
( a' |/ f1 Z6 cset customer nobody0 p0 S$ ^1 @8 i$ P M
set credibility-all n-values people [creat-credibility]8 T8 w9 }, m6 u$ k
set credibility n-values people [-1]" R- j4 M3 z. Y# `( w7 c* _
get-color& T/ C6 d7 e5 j( S9 x' m3 j; @
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end
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to-report creat-credibility
! n u1 N+ z# Z1 h( @! G3 Dreport n-values people [0.5]4 A! ]: Z( u0 p+ E0 _8 `8 r# O: f
end
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$ U; o6 d$ W/ Q5 eto setup-plots
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set xmax 30
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% [7 A9 v- a2 Sset ymax 1.08 z3 I0 j( b0 s, S1 ?% [4 X8 Y* M
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clear-all-plots+ P9 L% {6 G; V# S) T; u0 W3 ]
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setup-plot1. Y) t% d& p4 M$ t! H
6 b" L6 L( {0 Ksetup-plot2
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setup-plot3
! n" g& H. b3 A9 fend
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;;run time procedures U) w- y3 ~' y3 b$ j, i: n
, X) ~+ p; ]- I5 Z3 q* T- Yto go) d& R0 G8 b# F# U1 t) b
4 h# s0 D7 q8 h( Task turtles [do-business]1 B8 o/ X8 o5 r) B) M! B; g
end
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to do-business ( ^. ]; r0 V$ g: J ?
6 D E2 D& j# H! I) d( S% F9 J0 h+ [, f( K
rt random 360
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fd 1
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Y0 v7 C9 z7 V# Nifelse(other turtles-here != nobody)[& Z1 y0 H( B% U2 D
- a$ `1 F4 U% ^( ^- A
set customer one-of other turtles-here9 E, G$ ^4 K4 m! ?: ^$ X, v
( s0 i- {) {* L# @0 o;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
! U, ~ ~/ m; c" j" p2 P/ T: C[trade-record-all]of self
6 z8 e1 ~! {% [# ] T;;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; M) U' G$ F3 s3 o k[trade-record-all]of customer
% w" f8 S: q! \5 o6 {
k6 V% F- S7 J, @! V* B3 X4 E" Sset [trade-record-one-len] of self length [trade-record-one] of self
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3 x7 |$ ]) L, t' w2 ], V3 hset trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]4 D& i& f* `+ r/ S$ Y
;;先求i对j的信任度
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if ([trust-ok] of self)
: n+ C" T% v, K;;根据i对j的信任度来决定是否与j进行交易[, U& {# R/ R; j5 z6 m9 F1 u
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
2 s X6 D3 a9 H7 y3 |( B, u2 h
4 I, T) S+ N- M& Tdo-trade
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|; ]9 W: d L9 l' x; [3 _; wupdate-credibility-ijl% s. J: K O4 T8 l5 ?% |, C
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update-credibility-list& Q8 _' t6 y' A
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( y4 L5 n* J" K2 Vupdate-global-reputation-list
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; u# Z8 \6 }: ^3 [# Ipoll-class
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8 z0 X& p1 d* ?: |get-color& [* D% z. M! k6 \
5 \' t% G4 O' Z' x" D0 D( r3 z- t
]]
4 [. O, G/ s5 [. c8 H8 D
/ G+ {4 Z. v! d% w5 T; X3 N;;如果所得的信任度满足条件,则进行交易
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[
1 e- `/ Z9 `1 ]/ V3 x& k/ q+ `) g6 F& V8 ^
rt random 360( J) c5 B( {1 `; U; n2 f9 f3 V
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fd 1
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2 [3 v7 l4 u8 [7 \( R% f4 W0 ]9 ]+ T& _5 k
end1 A. R4 ]1 `) q9 N" P
8 N2 `: `8 A" S& t& }) F" i) A6 Cto do-trust
- h9 }, [- P6 E" d& \set trust-ok False
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let max-trade-times 0
2 d, K4 b8 |. \5 a5 I5 O* ~foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% U- e6 G/ I2 ~; t* a& R! z% {4 P) Mlet max-trade-money 0; x& J% ?4 C+ ~- V/ @8 N% |
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]! E: A, H) k! R4 h3 J
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
$ l3 U) d7 C- }9 m' q8 `/ u$ ^( [. {0 ^8 H, x5 \; I
( I2 g8 _" y) A7 X$ |6 Q' Y" }
get-global-proportion; t/ ]3 M G% P- t, N/ X( q D
let trust-value( m& Y* d6 M# ?* b2 n
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)5 }- Q5 M, x0 A
if(trust-value > trade-trust-value)
% q! ~" ?/ j7 h E8 ]. `) N [[set trust-ok true]$ G7 w5 [3 s7 B3 {5 y
end* L ^! c- J) @" C6 A- f7 K$ I* X
; M6 C( Q) _. O4 n: v1 v8 qto get-global-proportion
( G2 u9 T: M. {! S rifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ S T6 Z$ e' W3 ?1 @
[set global-proportion 0]
6 R6 z: [% k5 P6 c& P[let i 0
4 r5 s8 Y0 P' B% m' H* Elet sum-money 0
( z, s/ Q: @9 D- U) d4 Qwhile[ i < people]
% l! t: g( j/ r. I[
; I4 q( Y7 l1 ]1 y/ z, m8 N1 T& n2 r! Iif( length (item i& f; q Y9 L! c% x5 s* T4 O
[trade-record-all] of customer) > 3 )4 L( q! Q$ W. @5 U) ?+ R! t
[: P% R& j. \3 ?; s$ w# Q
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( t- P0 h9 P+ s$ X! I/ ?
]
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let j 0
3 C+ y: C. `7 n1 klet note 01 }( J- }2 x: [& F
while[ j < people]% U' r( l; Q2 p, ?
[
) V" Z+ q+ P$ Jif( length (item i! d" u9 \. H) n# u2 v6 N
[trade-record-all] of customer) > 3 )
: u! T, p+ `+ ?, E[0 F( K p. f* |
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( w3 x5 w* B' h0 u) S' I, {
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
- t4 ]: y, S$ o; E0 K0 g) Y7 ?* c; E[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) @! U% A) G: @/ ]0 r' U
]
0 }8 R1 r3 H4 S) q]3 y+ J- b. X! T6 Z1 _2 M
set global-proportion note1 m/ o5 @% O8 i3 W& U' B4 b
]
' t3 z1 _: d* Y( T1 r) jend
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1 ~& W3 Y& d& Q# g6 v: }0 `+ Sto do-trade8 u$ H2 x9 m' c5 e u* r
;;这个过程实际上是给双方作出评价的过程! u9 F9 }, t- }
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" I+ }) `- R, q: c8 a( B' y
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价( f+ ~1 V1 k2 ~3 C" V: T( c
set trade-record-current lput(timer) trade-record-current
( z% I" \2 ~4 w" u" O' J;;评价时间8 p0 {$ D( X' @8 [3 S( _* j
ask myself [
! m7 r! x, n7 e) o% F- Mupdate-local-reputation0 m. t& ^4 z" F5 }
set trade-record-current lput([local-reputation] of myself) trade-record-current2 D8 J2 Y9 |7 d8 ~% z( F. ^
]
: @4 n1 a$ a) K1 R+ {set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself: `( Z+ F- ?- S% N( Z
;;将此次交易的记录加入到trade-record-one中
5 W2 k& e) X9 k2 g+ `2 ?( ?set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 l' g8 n O" d6 S: I4 B
let note (item 2 trade-record-current )" } w" N) Q0 U* s/ n( @
set trade-record-current
. G. z5 _5 t q- P4 | _1 l: Q% n(replace-item 2 trade-record-current (item 3 trade-record-current))0 l. }7 t5 K4 @9 S6 u/ U1 \
set trade-record-current
0 d1 b+ P) E& O# t; p5 Q(replace-item 3 trade-record-current note)0 k# D, F8 l; B. `: i
- _; H" Q: u* p5 q
+ i2 j( x1 z) i5 e
ask customer [( v' T t, ]5 l+ i
update-local-reputation
; S7 f1 O, E" P. h vset trade-record-current
6 q; x: L U+ U. A, Y9 n+ v(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / [2 ?' y9 n' G! c
]
5 B5 d) L3 W2 F
$ N" s& W: {; _+ D- \! g# Q, v2 q- n* E M9 s$ l( V9 w! z; ]
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
# n3 R1 l& q) i/ s% v+ M
0 h) F1 X3 l: Z0 p$ I( xset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
% }0 R* a8 I. H, Q- m) p3 Z;;将此次交易的记录加入到customer的trade-record-all中) }/ \9 L% W1 C
end
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to update-local-reputation
: W4 {6 m0 X4 w' q5 P1 Sset [trade-record-one-len] of myself length [trade-record-one] of myself
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6 s& }8 [/ j/ t' _1 q;;if [trade-record-one-len] of myself > 3 6 b% y* x* F, l9 U( I
update-neighbor-total
1 y" Z- q4 q% J% C;;更新邻居节点的数目,在此进行. P. P2 _" v2 ~; E
let i 3
% ~7 C: Y- j; q" P* jlet sum-time 0* A, c" D9 H$ T- T- @: {2 ?6 _
while[i < [trade-record-one-len] of myself]
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7 ?. _: o- q6 W4 @! [5 I) g3 z% jset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )4 j) G4 d! X" c2 h% y' U
set i
) b% Z, A) B5 V. |( i + 1)
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+ p7 P6 u& g% l( B6 H0 e Llet j 3
3 E4 \% \ y" b8 [ }let sum-money 0$ B0 F2 C# p" @, x7 d; A
while[j < [trade-record-one-len] of myself]. }. X* [+ e) i. ~7 [3 O" ]
[4 z9 I3 }6 V8 O6 `2 U# M: f) S
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)/ n7 }9 E$ J l" e1 ~+ C/ [
set j
. p. Q" V% I4 x9 m% ?( j + 1)2 ]) d0 V8 @$ n- x# _- x% `: v
]$ D0 u8 ]: J. A$ L# p
let k 3
6 `5 O5 h# ^+ W% s# f8 ^7 Tlet power 0
- G& e, q) a1 ~3 _* I" Dlet local 0
- X1 i+ H4 K# i. fwhile [k <[trade-record-one-len] of myself]' U& W9 N! ^8 J, x9 U
[; @; F- P' y1 c. z% C
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) . @# h% }5 h0 C# W# X9 K: x
set k (k + 1)6 o1 |$ A2 Y1 x9 s
]
5 Y# |! p: K( o9 X, y* Nset [local-reputation] of myself (local)# r- Q# N! t% Q
end5 Q! A5 G5 X) C
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to update-neighbor-total( \) t' i; S/ C8 X
5 Z2 ]9 i, e! j8 t- ~$ r
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]) i' c) }/ }, n5 [! F
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end
3 i- A1 N! m: A
2 Y( ], e y! u( {1 vto update-credibility-ijl
: z( Q7 h. m7 l4 W" k
9 m+ o) m8 H% \/ ~1 V# f% k- a;;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。
9 w+ W1 s9 t q1 H( Olet l 0) O7 o$ J }: D8 ?4 w4 ]
while[ l < people ]1 t- a3 F8 Y0 s( A, K3 c9 b
;;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- L$ E& r0 N; n5 b: i" j( B0 W9 P
[
! N, U6 _1 J' e5 X( h- Slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( f6 x4 O. C! V: xif (trade-record-one-j-l-len > 3)
6 w9 ~; y3 e; B4 u5 @[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
, _4 n7 G l: E5 Z, |( v6 `let i 3
' P m7 |% T- ?% e! R2 M: Wlet sum-time 0
) g5 @1 l& K J2 }: W; i' kwhile[i < trade-record-one-len]1 H$ U `# Q* e3 H
[' f+ u0 ^% M6 l8 T
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
$ I# a! N4 G' L7 Q. X2 iset i
3 T. ^/ a* R; L( i + 1)
- G( c( O1 b# s9 ?3 b]
& R5 p: j* @1 ?, F* Xlet credibility-i-j-l 00 t9 n+ }* N O) i* f
;;i评价(j对jl的评价)
" x( v! G5 Q$ g/ d( B" Hlet j 3
+ U3 \9 N- c, e; h: C' i) ulet k 41 s- J; E2 ~1 O7 a9 S# k
while[j < trade-record-one-len]
6 K( Q6 m% P; {$ `# }" V2 h[0 }& H7 p. Y( { p. s' `; F
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
# y8 t* K: A) n U) N* O5 {, Aset 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)
# ~8 A _9 D* |" c5 B: e8 O- }1 @set j z* Y U* S+ K& F" [
( j + 1)
) v4 O; l6 N) A8 k9 a( r# d* []- e* B- {& G+ G# L. [
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 ))3 r' S' U2 v% C' h" ?
% e* x! o. d; u, Y$ ^
9 S; `; F9 r& ^let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)), b; Z+ a( s# e( r3 F
;;及时更新i对l的评价质量的评价, |$ {1 v: D v% r6 O2 A
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
+ D5 P+ ~. e5 w& f! z' Yset l (l + 1)
9 |( \# Z; W0 H5 r]8 i9 g! x+ W9 N, |3 H+ x
end
# X+ K) c1 u) U- r+ s
3 q% Q5 }$ H: L8 J! c! X) kto update-credibility-list9 C b- y- w! I+ z
let i 0
0 b. y# j6 }* e7 @5 awhile[i < people]
: L. g) K+ C+ y! M; {* W[
: i( \; ^! W" n: dlet j 0' ]4 X1 j) @% [. C
let note 0
! T! |. P# Q6 n) dlet k 0
1 \8 E4 a6 a4 W0 r" ?6 B;;计作出过评价的邻居节点的数目6 o8 d4 d! k+ U5 y6 @* H! U: e
while[j < people]' K2 _" F, G E, w: B) y8 ~( J6 V) M
[! {& y3 ^# [( J) S X6 `$ W
if (item j( [credibility] of turtle (i + 1)) != -1)9 [: X, s6 h# {# c& g# Y; b. p9 Q
;;判断是否给本turtle的评价质量做出过评价的节点
# \( S# l" C( }4 f- ~[set note (note + item j ([credibility]of turtle (i + 1)))6 P' F9 h5 [6 p3 ]6 z- }
;;*(exp (-(people - 2)))/(people - 2))]% B3 R g9 d+ U K" r
set k (k + 1)
/ a* x7 k+ f3 \# o& ~# m ?]: _% c$ y# a b9 y7 U
set j (j + 1)9 o" L @8 X, ?+ Z7 {+ Y% G0 Q
]- ]5 C3 Q! g8 ~% u# p. Q0 M, U# N
set note (note *(exp (- (1 / k)))/ k)
. Y0 Q$ s6 r7 m' o, l& Fset credibility-list (replace-item i credibility-list note)9 r* k/ d; G" H* l
set i (i + 1)
( y. v8 @' l$ p/ H7 X$ m]
! c. U3 M# Z; s+ z) m5 F/ {' o/ _end
& }9 E: x; Y$ @, _
9 Z3 x8 v" y0 l3 M. ]to update-global-reputation-list
+ [% V6 m I0 n! k: v- F' h* Slet j 0
9 x" M- n! j6 Xwhile[j < people]
3 Y( Y2 A3 {' S H* V; z3 u[
3 U3 H/ M: s, @3 H- I, ?; G8 Slet new 0
$ {# |3 w2 Y& G;;暂存新的一个全局声誉; Y; v2 O" g6 O( x# i3 O: {1 n
let i 0& d2 G$ Q) i# s" N: w% j
let sum-money 0
. f' @+ T7 V: E, Wlet credibility-money 0
) U u- n5 c2 v; d1 [while [i < people]
0 i. y4 h% J- q, s[
) b) `' Y# s' T2 ?8 i& B+ J3 oset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))& L( t" \" W; u
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): i4 g# e3 b4 I' q1 ^
set i (i + 1)! A) ^4 ?& [6 a
] O- k' M* s4 w) d: _) p: M& m8 b9 R
let k 0" ~& @" w ^+ A$ u/ x9 U
let new1 0/ B" u; O* Q; K% e- u8 {5 Y
while [k < people]/ }! f$ j) t, A( V- q! z' _
[
$ R% Z `; f2 b! G$ Zset 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); |" n" }* M7 A! g8 \
set k (k + 1)
( ]& H: n9 y. H3 \/ a. O! X]- h. k3 o* e- Q1 O2 ^
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 5 h9 v% W! o- U. B2 N
set global-reputation-list (replace-item j global-reputation-list new)
2 P! E: D. }* E7 Fset j (j + 1)& S1 K' K/ W; z3 Y
]7 [4 H. j) F/ D+ F) o5 Z
end
" J) g& w/ q+ X2 Q# N7 E' V0 n) d
+ V3 I' Y# |3 ?5 |
! g0 Z9 n- @$ b N/ [# g, ?) G; G' a( E
to get-color, r6 E6 v6 B! V% }/ X. Y
6 x+ l, k' \9 c g; b/ ~
set color blue; D! v4 J# ^( g0 m! T7 f* T# n
end
1 {( z O' o3 j1 t, t% J9 l' D6 w& P3 E. o) s5 R4 |- d
to poll-class% e, S* K2 @! L7 ?# A1 C* g' Y
end
. y* l, m# _4 {6 Y( S
+ G1 m W6 s/ ?1 L; \to setup-plot1
+ J3 [9 u6 W7 s5 K$ P) }+ ~& V# g- p+ p- K
set-current-plot "Trends-of-Local-reputation"
+ U2 g0 R) X: k' }" W l) k6 C! k0 _7 \. V* \
set-plot-x-range 0 xmax
: e- a% j0 |0 m8 }
8 Q( E5 Q8 |7 g) Uset-plot-y-range 0.0 ymax
4 M1 u% i5 c5 H6 O. y1 Fend
. M4 o( @5 L; r: }) {) Y9 D* p- ~3 U. U: c. U l, w0 F0 L' H9 I. Z$ y
to setup-plot2) E9 D" a; z/ y8 W0 A
8 t2 d& ?; Z9 k# Bset-current-plot "Trends-of-global-reputation"
* Y( o( _8 j+ k! G3 i$ }9 E8 {. w9 R1 y& l8 q" d
set-plot-x-range 0 xmax* P; Y& F5 _$ k1 `( M4 d
: r. X3 i/ I9 g$ B2 _
set-plot-y-range 0.0 ymax
6 D8 i3 o( w' g) n( T% tend; K4 H( H+ x$ Y# D2 w1 F B
$ ?' v8 b2 h0 a- i+ g/ A5 Gto setup-plot3
) o& F) P; u! `& n/ h6 a( ]* @+ k
) c4 }1 P6 b; Z5 I0 ?: X# h' uset-current-plot "Trends-of-credibility"
6 L- ^# i# I/ A
( h5 G- B7 F& aset-plot-x-range 0 xmax1 M" K* G7 Z* ~& _: Y) M& W; N
1 F$ v8 X, t# K) L- r- D' Z. c& J
set-plot-y-range 0.0 ymax, ?- Y5 K4 |+ F$ i6 W
end) _* J( T, A* k; d8 f1 Q
: c# i; Z) S' A: I
to do-plots
. N2 L# e% R. j% D: b- jset-current-plot "Trends-of-Local-reputation"
3 X( e* J! q: @( H& g" B; Qset-current-plot-pen "Honest service"
y e: V( I# W- q- b$ Dend! p% y- \2 L) j4 N; t+ @+ k
5 \% G" R2 M9 N- t[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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