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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 ~. H* d9 |' b9 p7 e uglobals[& f6 h+ n" `" {3 ?3 [
xmax6 E5 S1 P' k4 K' V. h D. z
ymax
3 S# t0 w# I- D8 A( Fglobal-reputation-list
0 _ c) q9 H: @6 Q( O [- u2 K5 e/ s" g9 z
;;每一个turtle的全局声誉都存在此LIST中" ]% U$ O7 y# ^$ K7 B% V# }) Z
credibility-list
- q) @8 f5 v& ^+ l+ n" @5 |- Y;;每一个turtle的评价可信度
( U+ }1 ~7 f/ S7 z* whonest-service2 F$ ^* t. l/ c
unhonest-service
5 r& |& U! z, y% K# P, y/ v Ooscillation* Z5 a# `+ T! |+ f0 f8 Y* k
rand-dynamic
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9 N/ y! l/ `4 R% s! L3 l
, q% w8 C3 Q+ @- Zturtles-own[( j8 A5 m( k1 h
trade-record-all
: Z$ ]. S, H( X; N9 K;;a list of lists,由trade-record-one组成. |3 C: s! ^6 H, M
trade-record-one0 }, g$ ?1 l& W0 n: l/ X
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录) m+ A, Y) R+ h' k: E3 T
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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]]
3 I. X) V- F/ O3 d( Utrade-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]
4 T W+ M* B/ ?& ^/ ocredibility-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
0 a# e; \, \" t& Yneighbor-total
. m3 {2 r Q: |& i" Y2 m;;记录该turtle的邻居节点的数目
' T; C* S7 S. T3 {+ V7 e6 vtrade-time% ~* D& Z+ N7 c1 l, g
;;当前发生交易的turtle的交易时间1 D i" Z" o; K- {
appraise-give% r& s9 w+ Z8 k+ ]4 e5 I# E: a# s
;;当前发生交易时给出的评价
" E! z; w5 o! Dappraise-receive, [2 l8 c4 {; L5 X. Z$ h( A: F
;;当前发生交易时收到的评价
" h* u! Y Z4 Jappraise-time! t' [( z; Q9 c
;;当前发生交易时的评价时间
5 s7 Q9 l2 g( G+ ~local-reputation-now;;此次交易后相对于对方turtle的局部声誉; ^% ]0 ^6 b" ]' i* y& g' k2 h' _. S
trade-times-total" h9 g, f" {/ ^/ F6 f
;;与当前turtle的交易总次数* e5 x2 L+ _4 `, |3 Z
trade-money-total
* T* n$ n5 m4 C5 z7 `;;与当前turtle的交易总金额0 X9 @: c1 p( U) a+ y4 Z$ k
local-reputation
5 d: F& ~8 v6 ]6 l' Dglobal-reputation9 w+ i* W" [& R7 `
credibility+ B/ }: c, h$ Y/ {& {9 B( O+ b
;;评价可信度,每次交易后都需要更新
" S9 r: ^! c p$ v) e7 e3 Scredibility-all! ~: I, k3 K* p0 y8 K
;;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8 w! m9 u- ]& Y2 q: F
6 R* \+ P O, K% g( R- p# C- F;;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
5 r' D' N7 J- A6 h( ^7 Kcredibility-one0 c7 ?4 C# A' e
;;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
5 O) P6 ?8 W2 c/ ]9 Mglobal-proportion- s9 F2 ~0 z0 X
customer
f8 m. S: I7 V7 ]customer-no
! K6 o( R! P: Etrust-ok6 _# k0 U) d% e r: h" P
trade-record-one-len;;trade-record-one的长度
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$ P* z$ J( P3 s;;setup procedure
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to setup
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ca
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initialize-settings
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crt people [setup-turtles]
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|8 h. N2 m2 U: k( j% ireset-timer
# h% u. ^; Y$ q! r" _5 E
: k. a: ?- j) {% Z3 Wpoll-class3 X* E+ X; B0 x- @& w0 k
5 d( T& _1 x# G+ P9 n6 h6 N+ z
setup-plots
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( d) d3 q3 e7 R. N# U! [7 f5 Pdo-plots$ K9 D/ z8 Q; @
end
# ^2 [* q# O0 x7 n
- E* D% h' k4 O+ ]to initialize-settings4 w: y4 |+ W: K# j- u& U3 s: N
, b0 b% c' b; P6 i7 P6 _set global-reputation-list []+ M& X7 O) F6 o1 C E5 x
; R8 r) O6 N' E" Xset credibility-list n-values people [0.5]
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set honest-service 0. ]$ ]' b$ J- ]$ v+ J3 D: R& O6 t
/ Q" m) g1 m$ j
set unhonest-service 0
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) J7 ~, a6 | ]) x* Rset oscillation 0- T) P5 h6 ?5 [. `1 O4 m0 q
) m1 U/ R. ^/ J' V+ K
set rand-dynamic 0& L D6 a2 V2 t4 \& q2 m
end
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/ |5 r6 \ P& L* n4 U: mto setup-turtles % o" p( Y: |5 J7 W1 N, v1 Y" U
set shape "person"
: o1 H% a: w6 E e6 |6 Rsetxy random-xcor random-ycor
$ s( ^- c* \$ p! R$ zset trade-record-one []
8 Z9 O& C; F: y/ b3 _; ~) S: s! p3 _; U, x' @7 A( ]6 f* F9 Z
set trade-record-all n-values people [(list (? + 1) 0 0)] 8 k i( {+ `" s H
: z; c/ R" p9 |& q) F
set trade-record-current []
3 A% U; u0 o" iset credibility-receive []( l0 Z; p2 P& D0 C: L
set local-reputation 0.5' Q9 T, @) L5 s2 K2 S
set neighbor-total 0# X2 F' X# n7 X# s1 q% O
set trade-times-total 0
- J; D( s) o+ m4 tset trade-money-total 0
' I- ~# I& m; A; R+ U, n0 B( Sset customer nobody% k4 O4 p" }3 N' M& g+ d
set credibility-all n-values people [creat-credibility]
! @6 @9 h! i; R9 Xset credibility n-values people [-1]* g6 z1 E1 @/ b& h- L0 V4 r$ N% o6 }
get-color
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& Z% m: s+ m2 e" E1 D+ eend5 v/ C3 X$ ^9 y7 T# S
# ^3 X6 C6 Q$ L% V- @: Y+ Lto-report creat-credibility3 _) I7 k* y% b3 F/ ?+ _! w' X
report n-values people [0.5]
4 C9 t9 U, K: k* S) }! Lend
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to setup-plots5 ^; p' |- K. ]
1 \/ o* J' d4 i% F* H7 lset xmax 30* K! s* m V$ H2 a# S4 b h* r, d
6 [; g: Y, g% w3 e/ w% j% `! Fset ymax 1.0
1 f' T. t; k. R$ E* V( ~( ~- t9 X0 U' {$ h: [0 x! K6 v$ d( S- M9 @' W
clear-all-plots
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, y0 j. e: ^! m' W3 W$ vsetup-plot1
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% m- T: x; [# w( p# `/ B, Gsetup-plot27 u- L0 L( t- e
5 F# [ f* k6 P; a& b F, X7 V: q) Msetup-plot30 p2 l2 R4 d. G8 Z
end
0 [' X- z+ N2 K% ~* u" T4 b4 P8 H: i* {0 q6 _
;;run time procedures% K& b M X% g6 N
8 X4 D6 ]! l2 a$ [( G) {1 Nto go9 ]* W' d4 P& x% e C8 Y4 e
! S P: i! S1 s, ^& o
ask turtles [do-business]5 w' n+ M* V* j2 X5 M" [0 C
end
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9 {8 y H6 l; [1 r B! o6 Nto do-business 8 A. w6 G; v3 V8 S) n
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: I0 `5 S& S; E6 ~; a' ^' N
rt random 360
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# N \+ l* A- `7 Y4 i& zfd 1
. U0 u. U0 M; l$ H( T5 j3 D' E. T- N% _7 D+ p" x$ w; @! R3 x1 R
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
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- B/ Q8 a! ^0 X& Uset [trade-record-one] of self item (([who] of customer) - 1)
8 y4 i9 ^: u6 _9 S0 Z[trade-record-all]of self. ~+ K5 m/ @; l1 w
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self2 O" n; \( J7 _. ?
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set [trade-record-one] of customer item (([who] of self) - 1)4 _$ } ^0 \* E Q) u7 `- I' v/ V
[trade-record-all]of customer8 H, ~, b2 d+ w; j% [
" m) h4 c8 }& @: Bset [trade-record-one-len] of self length [trade-record-one] of self
f, _' f5 ^ M, I7 n0 G" [6 u0 @0 x( }/ ?# n6 i1 [* ?
set trade-record-current( list (timer) (random money-upper-limit))3 k5 c h0 M/ N, d( s& ~6 ]( K) ~5 G
y$ k" N4 ]5 V6 o
ask self [do-trust]. J. X7 I' l+ G/ f0 Z
;;先求i对j的信任度
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if ([trust-ok] of self)0 |+ }1 Q, T/ {/ D+ t
;;根据i对j的信任度来决定是否与j进行交易[; R$ V M* C3 C; n
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 l* y! m% }# d, o9 g Q5 c& W
# @3 ^7 y) z I) q0 h0 n4 s
[
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do-trade
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2 M1 L7 m/ `$ t- X6 R, k1 Gupdate-credibility-ijl
" @& z5 ?$ Q8 a
: {1 E" c+ O3 H& J, j$ P6 v6 Tupdate-credibility-list
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" \" c( Y) m" Q, p) @% z: k" `9 V& y7 N, S
update-global-reputation-list
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poll-class9 F0 m! ^$ m7 \& C9 H3 C9 A- Y0 Z
, U4 A' q X% H: `0 T, q3 Dget-color0 v; R4 Z i" Q6 q, z X
% [, Y7 J8 C$ D, y& W! D
]]
! [; `, }. V/ X5 d
# \8 K7 C; c0 T$ U/ l3 d;;如果所得的信任度满足条件,则进行交易
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e* V2 K; e7 \; f/ y[
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& G) d7 O y& {! I; s1 R7 q! Brt random 360
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fd 1, j/ A( r( h8 n& f% W2 g9 y" e
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]
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end
+ U. N h8 Z" }; c) M5 e8 z/ l
- J0 ]$ T3 _2 \ Q5 _to do-trust * ^3 b; h$ _8 G8 {: O
set trust-ok False
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let max-trade-times 0
" P: O( a/ i1 _( q' K! @foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" N+ v) F. v# j0 i0 Y
let max-trade-money 03 o ` M3 T7 o8 C$ j- s
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) s& p+ z* a4 K5 dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))8 G w) p6 \ L( j
* C7 B$ `9 p' z* D
" T" H( T" A( p& Mget-global-proportion
* [8 X) u; w/ nlet trust-value
# I! i! n2 l" k4 |* Z' Zlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
, ^1 m% R! V* ?: g7 I c- T. H' Vif(trust-value > trade-trust-value) o$ i7 n7 ]1 F j& i
[set trust-ok true]
' O8 Y1 p) y0 i4 f0 _% M) qend
8 g; [. I$ T9 w/ C" p; Y& `8 D/ i- q& g7 j' T5 n/ _1 ~! f W
to get-global-proportion
* Q% l! ~6 z+ G% i8 hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ s- w4 w7 R a0 m6 M+ z
[set global-proportion 0]5 g5 f- S1 O/ r) x! z
[let i 0
* c6 o- h; Q) x: Qlet sum-money 0
% F5 N! X1 Q E( ewhile[ i < people]
6 |! W' L1 A6 a$ c' H/ F3 @[) b2 s+ g! ^8 @7 T$ Y) y
if( length (item i
* Y1 a: g3 K- }& h( x' \[trade-record-all] of customer) > 3 )/ {% ?+ W! i. _8 B
[
( _/ F' o* C8 l0 W5 ^3 Qset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& w$ T" ]/ a []
8 i- r: }7 E- [) G+ Z]
1 z. m* O- |4 e# m/ @8 zlet j 0
6 `5 T) r: Y! I; g3 V7 q" Rlet note 04 ]: ~3 R5 W5 {- c( U, b" B
while[ j < people]
5 g ] U- P4 q( B+ I[. ]" x/ } Q* u* T5 A
if( length (item i
9 G' I8 V' M4 ]: F4 v[trade-record-all] of customer) > 3 )* x5 j4 O4 b. e5 x# t
[( u9 l2 m& {. @4 D- q+ Z/ h
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 w; I5 @1 y# s- j5 l0 Q7 m% f
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ q" e0 o) |1 b* k[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ I, S" M0 G4 e- b+ q- h! P4 q
]
+ W; t/ E' D6 i. s]- O3 g9 }6 I5 {. G# h
set global-proportion note( h/ B# h& G- G( ?" B
]( }) b3 `% m! s
end7 W" R$ z) j V( {/ {" c
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to do-trade
1 N3 V5 H+ Q9 F/ V;;这个过程实际上是给双方作出评价的过程
+ Y" Q% }/ r7 D4 G1 S3 Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& W( t0 i' |$ J" T
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价, i) D" [) r2 b- Y, Q
set trade-record-current lput(timer) trade-record-current) ?4 R6 e3 T& F& W6 A a1 a
;;评价时间
) J# W8 q4 ?( W6 j; g) ]ask myself [
4 a! T3 k' u4 {6 V. p9 s( R# B* lupdate-local-reputation9 Y& m7 y ^4 ]7 V! N I/ P
set trade-record-current lput([local-reputation] of myself) trade-record-current
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! ~( C X0 z' v( _set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& x/ t1 Z8 v# W }" x;;将此次交易的记录加入到trade-record-one中
, D0 ?( G4 K a% Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 e/ ]* F+ Z1 F
let note (item 2 trade-record-current )
`% q( D7 K6 d2 r/ Kset trade-record-current
4 a8 M6 Z0 U7 p: b* F" U# y(replace-item 2 trade-record-current (item 3 trade-record-current))
& T: T+ z7 {6 d2 C/ G; Bset trade-record-current# O7 S* C$ u o
(replace-item 3 trade-record-current note)
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* \& E3 ~0 h4 K! T1 ]+ N
. q' |7 b3 E6 v! e6 `ask customer [8 q( a. b+ U# ~1 x
update-local-reputation( q# S6 w: i! ]- J, C& I
set trade-record-current
. w, a1 Y7 z' V% R! Z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : [: O1 p$ k4 x" s% X+ @
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
- `/ {$ V1 [9 G% L& W+ C, m* r
8 U3 g* Q/ H" N4 y" r+ w5 d |+ uset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
" W# V$ L* r7 i3 A N;;将此次交易的记录加入到customer的trade-record-all中% y4 F* ?- S) @& x% |3 }4 K
end3 T |( C' S2 @9 j6 }
& f. p( s. T6 y, D- z; \ n
to update-local-reputation7 p, D1 l; k/ J1 S8 f0 f, X0 A$ F
set [trade-record-one-len] of myself length [trade-record-one] of myself
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9 e# k8 U$ t* _2 K6 B$ r- A; R* ^ H& ~; o7 O' L6 Z% T6 g
;;if [trade-record-one-len] of myself > 3 * E9 J$ A! B6 ^2 Q
update-neighbor-total
# ]4 ~$ V* F" {. }, d;;更新邻居节点的数目,在此进行
/ B. A i4 r Flet i 3/ {1 W0 B+ m; N8 @ X' p5 v8 `
let sum-time 0/ P5 t) q, w2 Z. o) k0 X
while[i < [trade-record-one-len] of myself], |% B* y3 v& q0 _) ]
[- D" Q' R0 o4 v
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ); ^" B0 _$ H! W% c! [7 C
set i# {4 e* J. \; _2 A* g( J- a
( i + 1)4 B9 Z8 s* K2 e0 s+ j" A
]1 `& K( b8 B! N2 I
let j 3" @5 h1 h& B8 `9 [- g9 D- A1 |- l
let sum-money 06 |+ `# ]9 Z8 y0 C& p. i1 d' K
while[j < [trade-record-one-len] of myself]
' ^+ h* [1 }5 f5 }$ t1 x4 @2 X[" O' n& v+ q4 B% }
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)
8 D8 F. A) ^6 I) _9 G( m/ uset j
9 W8 \2 Q |) {5 z$ [6 A( j + 1)
) |1 E, W4 n/ S' M1 Q]
" m( B9 C- R5 O( Q2 h/ hlet k 3
6 u3 ~- ]! c7 G9 _/ Y( K9 _4 d1 Mlet power 0- R8 N8 L8 I8 ~# c! y
let local 0
& ?. f5 H! F! l( r) pwhile [k <[trade-record-one-len] of myself]* n" G# a* I9 U/ h* H
[$ @* f3 C- w l0 I" X" 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) 4 \, P1 |4 P* d+ n( n! h8 } u
set k (k + 1)
$ U% R4 H" D `]
8 p R3 S. ^& f9 `8 u: Y1 Aset [local-reputation] of myself (local)- ~3 {3 B% G. H P- f3 D
end% ?- g& d9 l6 i3 V3 a
8 [4 G/ S, n! C: d1 i8 S# [
to update-neighbor-total
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$ v9 [& u/ q0 K# p j5 [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]/ M! W* ^7 ?. }& ^; G, Y
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& c$ v1 z, i/ w5 g# @end6 Z" m6 S' @% v/ _$ \
& e/ g( I6 i' q& h7 S! A+ m
to update-credibility-ijl , y/ o4 C' W1 \9 d0 _' j1 U
5 D2 k3 x% H3 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。 W/ N+ y8 u1 M" l9 L
let l 0
/ X2 K9 U" M* U5 ?) B G5 wwhile[ l < people ]
( T6 U* m( `$ W3 p8 @' E( 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8 |, `7 t& d% O* W. O; a6 F4 Y. ?
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer); M# t& o' j- Y8 `/ H
if (trade-record-one-j-l-len > 3)
' ]# { e) G1 v. n[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-one5 X( l: l- c' h- Q( d
let i 3+ k6 R' B( ~4 b8 Z
let sum-time 0. e& C$ T; R1 C5 y! T0 |" F x
while[i < trade-record-one-len]- P# F( z' ]+ Y+ Z5 Q
[4 x. T, {+ `( }7 h
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 x$ i5 N9 Q9 w- i: `' Wset i
3 P B6 f+ F" \+ D2 x( i + 1)
- ]. {- B+ z4 b" N5 F]
$ m" @. x& e: u8 A6 X/ U! ` ^let credibility-i-j-l 0- p$ T- Z' U$ O2 N+ {+ x' q6 {
;;i评价(j对jl的评价)* A5 P6 p- J5 m
let j 3
; z% a& K6 F/ y+ s Plet k 4$ R5 U6 q8 Y6 I
while[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
" q' g* Z1 j1 L D# V* x- k! nset 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 l# N# _2 K/ Uset j
) {3 j* T: c% v. m( j + 1)
4 K9 q; M3 J" N( p0 c# z1 k+ d" p" }]. U( ?8 b- s1 U+ L/ Z6 v; e. f
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 )); g ]( l1 e) m7 a5 D
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9 C$ I* m0 A S& D/ Slet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& Z% S4 S/ x3 e9 u
;;及时更新i对l的评价质量的评价
& u. d3 F+ m- X" e/ i2 D* Yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- o _* S5 x8 q
set l (l + 1)
" b- O, q4 R" s- ?]- N6 F* e5 z6 h9 S$ ]
end
: @$ A& Z$ o( a6 ^
- l. ]3 i& ~- G. B! ito update-credibility-list
9 ^9 y( z. ]2 W5 _' Vlet i 0
/ |" S* `- H; B) Dwhile[i < people]4 x/ M$ g& q0 E" Y& O/ F
[
/ @3 A/ x6 K* t6 z" f' R/ olet j 04 t+ y* q& R4 x, @
let note 0
6 z2 }" G. M( f3 e+ T' x+ H$ ~let k 0
+ {1 ~" y: K5 H9 D. f/ e6 o% {' k! v;;计作出过评价的邻居节点的数目) |: g* b9 M' y5 X
while[j < people]
( \4 I/ j) ^" [8 w9 Z[
j) N2 Z1 m8 b C% g! `if (item j( [credibility] of turtle (i + 1)) != -1)) l N$ N- I' v0 C+ n! m
;;判断是否给本turtle的评价质量做出过评价的节点2 i2 w' p$ a @9 n% p
[set note (note + item j ([credibility]of turtle (i + 1)))$ J2 i, s' A0 S9 Y. ]
;;*(exp (-(people - 2)))/(people - 2))]0 k/ r( H+ v9 ?9 b" j
set k (k + 1)
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set j (j + 1)
& E5 X. t! p( i- D+ l. @* j]( p+ B A# W8 V' n$ \' d
set note (note *(exp (- (1 / k)))/ k)6 v0 O( V* z) |2 R, p6 ]
set credibility-list (replace-item i credibility-list note)
8 }% y1 v# i+ r0 Lset i (i + 1)4 d4 L2 Z! `* L
]. N2 f# f, k/ P7 |( {# |
end
; ?- ~1 x0 R% T# S& @( W b7 _! o
6 _ k: b# Z0 A8 a* K7 |3 l% b8 oto update-global-reputation-list
5 {9 ^2 V8 q( E6 R5 qlet j 0+ C# f) F7 g% A0 |' E' k1 [
while[j < people]3 c$ Q5 w( u$ \ D( C6 g/ X' A7 T$ }
[! o' x5 X& H1 Y% O
let new 0
+ ~0 \# K9 H! H) F$ T( M;;暂存新的一个全局声誉
/ L1 }6 @$ d: S" O0 R4 `" Y1 Ilet i 01 l. X* c; [ P* y: E5 s7 U) W
let sum-money 0
# l" p+ n0 w* i* Q6 B3 P5 m# k' t1 wlet credibility-money 0
' ]9 s6 {! y$ Q7 F( ~6 pwhile [i < people]
1 A+ n* r. [, e% z7 |: u' U$ J: P. X[5 l* W6 T! X3 K% Y. B- V/ g2 o
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))8 s; M9 f! `- k6 v
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 H9 C9 t" |6 ~; t, ~8 l/ s
set i (i + 1)2 P6 u6 N4 S! ^8 L- p* ]& l) O3 B5 x
]. i( t1 H3 n" ]% C
let k 0
1 ^( Z$ o) m2 }' b# @let new1 0
) t9 u5 v$ ~: U1 m# |, ?while [k < people]8 }; C/ w& Z P8 k) l
[
# B" |! B+ v7 ?4 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) L. Y% M3 b: a0 H
set k (k + 1)
) e4 Q% F/ l) D3 k7 c/ d]' r3 `9 a4 `% n1 r- d& L3 C2 ]
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
, k) N: l. n& z' p3 ]set global-reputation-list (replace-item j global-reputation-list new)( a; b$ ~4 Y6 M) h! k
set j (j + 1)
0 _6 E- |3 J- w]
3 v" | E1 U$ g3 V6 h" K: Nend
* D5 U! A% P6 G* [8 K- J! `2 f! J4 @
4 U7 P2 D( R R9 s) z! l% g: {1 h$ v" ^
1 I* W! n3 L, S: i' F6 @! p5 r+ q
to get-color- b5 R1 q5 d2 V2 u R k9 m3 {( |/ f
' O' A9 z# N7 X( {set color blue
4 b$ t! U. m3 s4 d1 S0 M- aend
5 L% D3 U% z$ k( O0 Q [' N$ K5 A
to poll-class
3 A P, o! _% w. G% Q# Zend: L R* q2 k& U9 [! I0 I
% ~6 j$ }/ h3 B9 y3 f- u/ J/ q
to setup-plot1
) N' f7 o2 r" F! y
, \2 w. m. G# r+ Hset-current-plot "Trends-of-Local-reputation"2 C2 e0 Q0 |9 A9 ~/ O& j8 q& w8 x- X
- o9 ~. F+ v- j) x- ]
set-plot-x-range 0 xmax
: _4 P/ @% W0 A: O7 d: ]2 B1 B6 l. n: z9 A
set-plot-y-range 0.0 ymax0 u! i" A2 t3 S1 L. u4 ]7 m
end2 Z5 X7 ?3 I. f6 \# z
) ]9 G9 l S( A) @" P
to setup-plot2
/ L# c( F( E$ W# V% |: x+ D* j& i8 c8 r
set-current-plot "Trends-of-global-reputation"
2 ~+ ~! o/ C6 k( S s9 }- ?! c# `' K) }% _2 r( J3 c, |( e
set-plot-x-range 0 xmax6 d5 F1 r7 H# n6 ]& Z
7 ?7 W! w- |+ ]% |* L& C7 iset-plot-y-range 0.0 ymax, `; C& X/ U" g3 c$ J
end) U% w( i) [0 p8 D3 i* n* r3 E. H
4 m5 X c, i" f+ Mto setup-plot3
/ x5 l8 y6 a. X. h) U
* Z" Q* w$ s/ d9 oset-current-plot "Trends-of-credibility"4 h2 P. C. ?0 u9 @
( c4 K9 W0 k% q1 a K0 `" l7 bset-plot-x-range 0 xmax/ Q: s7 t3 \7 B1 |( X+ \& ^: J
- m2 p9 r6 Q- Rset-plot-y-range 0.0 ymax
z- z; x2 y/ D4 B9 Qend
2 D4 t- t, Y- W! v: x1 w$ C( L; Z, i7 c
to do-plots
4 H" E+ c. _( s0 wset-current-plot "Trends-of-Local-reputation", U8 g, H& ?4 F7 u1 O6 X0 M
set-current-plot-pen "Honest service"2 l& f! i, e" N
end5 \& v$ M# I) I: s+ w; G
( ?" n( T- B3 |5 c* y
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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