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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 X2 V( E$ a9 f' ^globals[
; {1 k4 g) T) j/ b8 M8 ?6 txmax
7 t5 j& a4 m( [ {* p4 \' _8 K9 Jymax! i. a3 g4 ?+ ~. D/ N& B
global-reputation-list$ h# T7 u) \4 C; u7 k/ i
3 f" I. q& C& B Q5 r( s8 g+ [0 t;;每一个turtle的全局声誉都存在此LIST中
/ v' f7 H& z) tcredibility-list
5 B* u5 _' j. C, ^% B: M;;每一个turtle的评价可信度: S9 J5 V3 r9 s2 m; i* N
honest-service1 |2 G; G7 x6 N6 P8 x( {9 T
unhonest-service) k$ Z/ ?$ r% s! n! r
oscillation
, d, o2 }7 f+ W/ orand-dynamic
$ H! b" a. P7 C]
7 K! a1 ^7 t3 p, k' P
6 m0 d" Z8 \ |3 T3 _' p: K Nturtles-own[- B3 c, h8 }- y5 N l% W' ]: L
trade-record-all
0 p6 s& g- u1 f, T0 Z" m- T;;a list of lists,由trade-record-one组成1 L. A J7 s1 O1 ^ k4 T9 z& j! u2 F8 M
trade-record-one( C( j2 x% l3 {6 x' C) [' R
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
% N& A) b0 l" K' A9 q
+ g# A; I0 [, r;;[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]]& Z, C3 s) i$ a& g- h
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; b& }" p" x, n. t1 O
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
0 b; |8 i/ u2 }" h; C$ Xneighbor-total
5 s3 A& P$ j, k$ n;;记录该turtle的邻居节点的数目+ |; ^1 Q' Q% v! M/ c1 Y, F
trade-time$ x" [/ {$ A& Z/ n0 r
;;当前发生交易的turtle的交易时间! p+ Z3 p% ?: N5 J+ o3 q
appraise-give
, @$ [( u. Y+ p T;;当前发生交易时给出的评价
, y1 p$ @ t. E! g5 V( f" nappraise-receive# e: e# q% e; c* ]; t
;;当前发生交易时收到的评价& y% ~: h, B; `
appraise-time2 [( m* I. L8 k p8 i' y
;;当前发生交易时的评价时间
p! ]9 i4 \% olocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
6 ]3 g5 m* M7 p, R5 O( Ftrade-times-total8 x. w* f5 l$ z% W- y
;;与当前turtle的交易总次数; p! G0 {" g/ t: N
trade-money-total
) I+ V5 Y8 q- P$ ?) {$ \;;与当前turtle的交易总金额" k& f0 P! `6 Z! f S% L
local-reputation
6 }. M; }2 e. I. ^! ~: Rglobal-reputation1 ^4 w! f8 H' j
credibility
# V8 Q8 U3 m- x5 r$ r0 _" R;;评价可信度,每次交易后都需要更新2 O# K$ d" n0 O" H' p
credibility-all
- K/ B! t2 a, 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" E% \0 p& u5 W M' k6 b9 W% N. `
7 O9 Q+ V1 ?! y3 O' ]
;;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" ~ b: k& P I8 v3 ~
credibility-one) f% N2 N9 n. s& p b
;;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 T5 A5 x, J8 M: Iglobal-proportion' \. Q& K) d H% ^
customer3 U6 a" F, o0 d z5 Q" z" R
customer-no# ]- z+ D; W9 x0 X
trust-ok$ @0 Y8 L0 w6 g+ W
trade-record-one-len;;trade-record-one的长度+ c" Z1 C6 d" T' r' j4 l$ H
]
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) r( X5 A! s+ b/ k8 B;;setup procedure$ e6 U+ B' P1 c _: l
% L6 n2 f! w, k5 ato setup
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ca
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initialize-settings
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crt people [setup-turtles]8 ?0 r& ~$ S% x5 J7 [
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reset-timer
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?' `* I' O( Z/ D' Fpoll-class
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, _5 M3 R. t$ X ^$ C f0 Isetup-plots( e3 T* Z& ]& |3 s1 x% ^% t+ d
# n5 p3 q5 T% C3 m k; V7 Edo-plots" t& R5 }# p: ]# B; _0 N" C" K5 A
end
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+ f- o: K9 P/ z% W5 jto initialize-settings% }0 q$ J/ z0 z. S4 T; z' k1 E
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set global-reputation-list []) A- X+ H$ t- T9 w" S' f3 n& R+ p
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set credibility-list n-values people [0.5]3 n+ k: C, q$ ^# J0 A
( u% i A; w, b5 u) v ]- h8 u
set honest-service 0& g" }$ G3 D2 o- g4 _3 x4 W& p
0 q' P$ s5 T( o+ l& Eset unhonest-service 0
4 k# U/ `/ U( x) i) Y. R* R: {4 e2 |! y* \8 Q
set oscillation 0
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" w. t. [. {0 l3 Q0 n8 @set rand-dynamic 0) p+ H( n9 a0 m" x0 m
end# y8 U8 j, v% ?! [3 T, V- v
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to setup-turtles . n4 S: c% E- ^9 A9 f
set shape "person"- P; u5 Y$ x5 \' _
setxy random-xcor random-ycor7 ] T3 f% ^2 Y
set trade-record-one []9 B6 S/ j$ w8 s' P. w. s# i
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set trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []
: P1 O1 Y; i' @6 K: Sset credibility-receive []
' v, i q3 E3 D+ f, G2 @/ |set local-reputation 0.5
3 h7 T5 y, }- G4 \2 q7 w9 z" ~set neighbor-total 0
# p9 E! V8 M( L. l$ z8 mset trade-times-total 0
; T% L. q& |* Bset trade-money-total 07 I" Y( y% _. @ I% ]
set customer nobody3 `7 U% }& K" R1 T. Z- A
set credibility-all n-values people [creat-credibility]
4 U; O7 g" g' p- w; ]set credibility n-values people [-1]7 }2 z6 }5 N. \* Z, Y. ?# C% d" R
get-color0 C& r0 M9 J Q4 t: `' h
9 q% r" H; B9 O# a0 Wend
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to-report creat-credibility
# [, ~' s& l6 \6 ]4 Ireport n-values people [0.5]$ `+ d! s. K) m% t# y. m' C
end
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to setup-plots! T8 s& y7 e6 |5 v; @) N( A A
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set xmax 30
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/ \6 J/ ?' E* i% B" Fset ymax 1.0
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clear-all-plots
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( ^; A7 y- e1 f5 v$ P' c# H0 m5 Esetup-plot1
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( k7 {% e5 R$ q0 }+ @& m: vsetup-plot2( L" |; x* u9 r# H
0 I! D4 z. `1 @setup-plot3
- @) k% i3 d* j% K3 a1 T/ K+ \; kend
% o$ b9 I1 ~ D& r5 C4 ]0 ]0 s1 I: U$ S
;;run time procedures% @0 n; y2 s3 r* c: V
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to go
* l8 L9 Z, J- q9 ]( `* i1 \+ Z/ X9 C' g6 M4 x# X+ V& b9 r, ` W \; _
ask turtles [do-business]
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" X% a* F g' j- \5 o6 _6 K2 ~7 O7 f
to do-business
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, H% D, P. D I a, Z7 F5 Y% art random 360
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# f: ^7 Y7 t" \' C' B( G" |fd 1: ?& v' l4 |% x+ D5 s
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ifelse(other turtles-here != nobody)[4 `* q1 U# A, g9 T9 }4 w
! @! j% x- [5 E% Y; s6 Z, C8 lset customer one-of other turtles-here
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Y7 J" W A1 G. Q;; set [customer] of customer myself
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1 \. ~# p' @6 Cset [trade-record-one] of self item (([who] of customer) - 1)! f/ ^; F% [8 Z, H6 z* D$ c5 K
[trade-record-all]of self
5 P: Z& F8 l$ F) I;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self' q7 a. `$ } E, ~7 R K) T1 z$ |; C
! b% w( k0 q2 d7 n! c
set [trade-record-one] of customer item (([who] of self) - 1). I5 `4 b) L% z+ D% C1 a
[trade-record-all]of customer# o1 X* S V' }. y. u F' t# h
/ b7 u; v; l- \8 K: j8 Wset [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))
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, P o. f! z' ^# t- X Task self [do-trust]
* R, f& G% B0 E5 q;;先求i对j的信任度8 |: @2 `9 y; n$ ^
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if ([trust-ok] of self); L8 b7 S/ s5 d
;;根据i对j的信任度来决定是否与j进行交易[: ? T6 D2 _0 q0 o5 q
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ E- H i+ k5 |: c$ X F! n
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[4 g0 j5 a% ~* V( r7 F) q9 x1 z
+ ?0 F, W% _1 L3 X1 o, P
do-trade& [( J; l0 I1 o$ s
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update-credibility-ijl
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& F. v1 K T1 j# lupdate-credibility-list8 V9 ^% k& D: |; R" q' Q
0 ~1 C! Q8 r& K+ S# H+ P: F% G! e
5 q3 g3 X: O: Y- x
update-global-reputation-list$ g: w: V3 B5 D; N# s! e8 r+ w- m$ f
\! x7 S2 w! a, N0 f F/ D5 m
poll-class# E- Y# f( U$ E0 ~
7 z6 F w6 e% _7 [& ]
get-color
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1 j D- @2 S0 N' v. U]]
; J% q. O0 x; A; o7 h* K
+ f' W5 H9 g: L" M;;如果所得的信任度满足条件,则进行交易/ j7 _- I! s1 |) ^$ g9 `
- P' Z& I' d; y- P; {" \$ X[. @/ b0 f& G% h& u" S) o( V0 a
! H' ]1 L6 `9 [; |rt random 360# N6 @) s9 w/ n8 R# D
& G7 d: g% ^6 Y2 n! ?* [: `9 w9 kfd 1
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8 T4 |5 S4 x' @6 c% M6 B]
) F5 ]% L) {$ t! Q; v$ w. ~# q2 e) C; D
end
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to do-trust : B: W! Y( y2 p) [" k
set trust-ok False/ K. C a5 _9 ]1 a$ g& y
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let max-trade-times 0
4 E7 W2 b) d! A3 _ ]0 [foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
7 f$ F& f( d, m3 N8 `let max-trade-money 0
9 l2 }* O9 Q0 G3 zforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]- [ S% F8 Y8 g+ ` v5 y
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) G- ^0 L' }8 H! R9 o9 u4 Z
1 V/ I. ^, ^* {+ F6 @
2 {" B! K3 X: R% H7 Mget-global-proportion! Y( c* p0 ]9 H9 S% B( j- X6 e' p
let trust-value
% x' |& O$ H" W, Q) _2 r2 I7 Xlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
, I5 L1 t2 o8 ]3 |. i' Y. G' oif(trust-value > trade-trust-value)4 L2 c6 d) r$ Z& J
[set trust-ok true]
$ y; C2 A: n! M* F+ }end
( j$ ?8 _* @# s$ S) V$ e
' \1 Y R3 W& @$ C' y# @to get-global-proportion; c! j# S' B) m9 L
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# Y% C0 X) f q8 H* f4 f1 O[set global-proportion 0]/ u1 o+ Y: y8 D3 ^
[let i 03 r# m& N; ^8 T! E- E
let sum-money 0, I& ]6 }7 H& `
while[ i < people]
g6 Y* L* b, G- H[" ] p0 `7 h- ~* w; _
if( length (item i5 D, D% ^4 C$ ~/ Q" b! @& W, H" J
[trade-record-all] of customer) > 3 )
0 h- }) V; F) L7 n6 c: q[
# A0 L6 p/ ~( Q" L4 s3 K; Oset sum-money (sum-money + item 2(item i [trade-record-all] of myself)) _7 z( O% e: `) o+ g# ~
]: R& S2 _8 X7 } o% }( F8 @! J
]
1 `; Y0 V( h7 \1 }: I$ K/ ?3 {let j 0- [9 `0 C: ~* B) k
let note 0" P# j$ G4 _0 u% t* E p% A; s
while[ j < people]* A; b3 T1 H3 r7 z9 r0 [
[% J' ~! }' i3 |+ ^5 s
if( length (item i9 X% K( k# _( A: L: L
[trade-record-all] of customer) > 3 )7 O/ T( t. S# p# |1 d" A4 i: }9 ]
[
+ W0 {+ L1 ~" G D2 O9 gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 L0 L5 N5 D, N! n2 U7 }! a, ?
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], Y8 [8 n4 ~/ q5 Z; @( K* ?
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
( f7 I+ M2 {1 Y]
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& B5 y) Y+ J/ Y0 n3 Mset global-proportion note
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end
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to do-trade! ^9 G: l4 r1 J+ X, v' R! c
;;这个过程实际上是给双方作出评价的过程
, S+ o8 @8 L% `set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" V" u0 e+ o) Y8 Vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* s' g* d2 E. f: g# n9 h. c
set trade-record-current lput(timer) trade-record-current
& j4 X& C5 V( _7 K;;评价时间( P# Z$ B- a* P0 @$ u) h6 V
ask myself [1 x) y: H; Q3 h7 d' d: w) A p
update-local-reputation
) ?7 S0 q. t/ s+ C: t4 _set trade-record-current lput([local-reputation] of myself) trade-record-current! ]; {2 W( U, Y; O7 Q! m
]" k: k7 C8 d3 J2 w$ k- v6 U) q
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' F) X6 x+ E+ z$ C2 e9 \7 H. H& {;;将此次交易的记录加入到trade-record-one中
, s" ^/ R0 m0 k/ Bset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% z& X* F% U$ F4 l; p3 n& Ulet note (item 2 trade-record-current ). r1 V5 I" A9 Q: |: E- G0 u& n8 u' s
set trade-record-current
; L3 }. g7 l: h( J(replace-item 2 trade-record-current (item 3 trade-record-current))
7 [' y* `( {+ K2 U$ f, Sset trade-record-current
6 g. z0 a% I" f2 O7 u4 v(replace-item 3 trade-record-current note)
: F$ Y) \4 F+ N3 c5 \5 }4 ?) I& S. f% L) c1 ]
2 B8 {% h) Q" `2 h
ask customer [
$ }! p; Y8 e3 `& r0 F7 U5 `$ Jupdate-local-reputation# v$ O0 H: q& _2 r; H! D
set trade-record-current
0 y; s7 P. Z9 _(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ; F+ O+ w. j, c2 s# t' V
]) N* J- {, I; w3 G
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: p0 R( c" ^( Yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 M/ B% L7 z! I4 z z
# B2 M4 [7 t' S! R) m Zset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 E3 [) U% E8 x;;将此次交易的记录加入到customer的trade-record-all中
/ K+ f( y, I% i/ G/ a1 qend
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to update-local-reputation
% A0 @8 j; g, j" @: b/ X9 ?8 Jset [trade-record-one-len] of myself length [trade-record-one] of myself
( a: _2 z% I( }/ V( I9 z5 k- M {- p" L0 A A
v, s5 M0 @) R$ ~
;;if [trade-record-one-len] of myself > 3
9 s$ h8 H7 ]( u+ oupdate-neighbor-total' w! L& ?# x* @. @8 {8 H
;;更新邻居节点的数目,在此进行9 y! `/ U1 C7 t2 k5 I
let i 3- @0 B/ g& v" y# j
let sum-time 0
; B& ]; N, A# Q' I) k7 dwhile[i < [trade-record-one-len] of myself]) r4 y0 Z5 }1 D; C1 |, z" I S* @
[
1 _: T4 a8 ^4 kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )5 E# ]( l- G& Y' s6 k
set i8 T- t/ H3 Y# w% D* h
( i + 1)& R& {$ d6 v- h6 y. o" Q0 m% o. u
]
V" S3 K$ E9 z/ Z& |2 g' _/ }! Olet j 3
% j# V8 |1 l2 u+ h, Ulet sum-money 01 f. D6 j# O% N0 z/ s7 f4 R( U" T) z
while[j < [trade-record-one-len] of myself]/ \& a5 _+ d4 U/ D. g% r; ^
[
1 T, W1 _4 M7 x3 S" Y% h; _$ ^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 {6 i" b: Y8 W; j$ J
set j
( \' r! C4 J+ F# Z/ l2 `; M( j + 1)" g" y, ^% n7 v
]
& G1 O1 X1 }5 E$ b+ V9 \+ flet k 3
# Z7 y8 d+ o0 J, ~& Llet power 07 x7 n' d; H$ W, ^$ o3 v5 l
let local 04 X' i: J. w M; _9 o/ k0 s
while [k <[trade-record-one-len] of myself]: j5 I/ f. s4 n8 r3 H
[
# S4 R7 d5 N. b: z9 Sset 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)
7 w( d% W3 c' j: ]* [# H8 Qset k (k + 1)
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set [local-reputation] of myself (local)
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to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ W, S& Q1 Y; h @5 } s9 Q6 @
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end* X9 P1 F0 \3 J b, K, L8 ^
/ m( _: R$ P, W v9 ]! ]to update-credibility-ijl
2 }* O: M+ O) `2 E- L- p* H
6 R" j' l8 O2 e, L0 i) o+ j N1 B( `;;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。' B0 z+ |$ y j. Y7 b; n
let l 0
( u, G" H8 ]/ H" A A7 zwhile[ l < people ]# ?1 f) S6 K- w$ k0 {
;;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 G: }$ w; \; Z/ F& V# ~1 ~) r
[
4 D0 H( e- A. D4 Z) Tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' w% |& S1 `: g% L7 J: {# }if (trade-record-one-j-l-len > 3)+ f" l) h6 Q$ l( C* `" l$ Q
[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
* C2 A: M, e1 s5 ?5 {let i 37 _) s) |1 |0 v$ X% C9 @4 T
let sum-time 05 h u% ~0 O% D! o5 F+ P
while[i < trade-record-one-len]
8 m: {( y3 k, }$ F7 [[) ?) m0 {# ~4 r- x- ^: ?3 \
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )5 p* h" G( c. x- \8 w, f
set i
% @+ j. E' b- \; u* [( i + 1)
; }% n3 d: C3 U) |- j9 A6 `) A]- c: P E$ J; d1 l, v
let credibility-i-j-l 00 }: {6 d, Z7 G, \! g# P9 X1 l3 X
;;i评价(j对jl的评价)
% U# d3 @0 z/ U1 `let j 3- L) ]2 \2 s e! @( F" o
let k 4" @9 ?5 c% ?( a& m$ B4 \
while[j < trade-record-one-len]1 {( @' s4 J' j, D
[9 J% W8 M5 c9 I i; a1 w
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: ?! M, Y% e O* Z8 K8 n# H) J
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)+ H) ?/ F6 V2 w4 d! I
set j
# h6 Z) p+ [8 L/ i [+ Y( j + 1)
! e# } X; ?' M/ S9 k]
2 |8 _8 W. N; g7 hset [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 ))# E0 p% V+ t O2 e: }
( f6 z; B4 F, C6 d2 s
( Y+ l) e3 e J o2 Qlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 U; R8 y9 X' i* A;;及时更新i对l的评价质量的评价
4 e9 c" ^9 ?& q! b4 |- Sset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
% o% c9 a. i" B3 Z ]set l (l + 1)# J" w# L# K( s$ G% g, j
]
* o0 y8 K5 `, H) S0 o- o) v" tend( C# c: V- T4 `
: m# o9 K. w2 D, \: d: W
to update-credibility-list
3 k; N1 F. r; I4 \3 y7 d6 o/ }let i 0
% }$ z6 @. e4 H, Q( r- ~while[i < people]
5 o; o( [1 G/ p6 s. G# i/ f' i7 f; p[$ R* X I: @: j* n: v0 b4 M: `# ?
let j 0
* Y0 z% \) s1 W- R- ^let note 0
% F2 b% c/ V% ? F% l& Clet k 0
& h3 Y v R" z;;计作出过评价的邻居节点的数目- u% Q$ @, ]4 U; N5 p! s
while[j < people]
/ F$ ]+ Z4 f, `. z* }8 U" \+ s7 l[
& K! F9 }! V. x7 t8 x' Z nif (item j( [credibility] of turtle (i + 1)) != -1)" z* ?" X" s! E
;;判断是否给本turtle的评价质量做出过评价的节点
- L8 @9 ?: F5 S7 ?! \* r2 {[set note (note + item j ([credibility]of turtle (i + 1)))
- J' w( s: u. i) N0 M;;*(exp (-(people - 2)))/(people - 2))]. X1 z# {2 [5 A- Z9 Y% G* M! E
set k (k + 1)
, U" D8 S! J% M]7 z! s9 J# p' }! V. ?7 q; `
set j (j + 1); [) O3 R" Y+ _' \! J* n3 k
]
1 w: d4 S$ o6 {$ b3 k* Mset note (note *(exp (- (1 / k)))/ k)6 M1 u s7 ]% ^- ^9 H- G/ U
set credibility-list (replace-item i credibility-list note)
* w: Z5 [% n" i3 P2 ~3 j, v7 Eset i (i + 1)
5 a$ K' D0 u1 W]' e' J( V) A7 P6 ]) C: V' P. Y
end
' Q9 p- P% ]+ z* m- w
" B/ b8 f }- B0 n$ ^& r) E* Hto update-global-reputation-list
, S0 [$ r; v3 j5 tlet j 0% J2 M+ V) o) G1 ^% I6 X: |. f0 F( R9 H
while[j < people]
$ d/ G# ?- M8 r, m[
, J/ h6 M. C& [; V u0 V/ Xlet new 0
* F& V% E! E: P3 Q% T6 {;;暂存新的一个全局声誉. @1 C% s! a1 K8 h
let i 0( F( k. ]7 ]1 P1 O) D9 k) P, k
let sum-money 0
2 u: z6 b3 w1 a. {7 {let credibility-money 0) F$ S8 N' O" M& q/ ]' ]0 K% o
while [i < people]) |6 v/ O$ [! @
[2 `. f' X1 p1 _6 L
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
0 }: y0 m$ R% F! N' a' A# jset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))$ _9 J1 [8 C/ n6 V6 s3 W1 X( K
set i (i + 1)& ]$ N- W" A1 w, U- r, m$ y
]
) ~ L: U F' A+ j. Ilet k 0
# ^- j3 C7 n( N' t% Ylet new1 0
% z6 F7 o# L7 v& j5 |while [k < people]
' ]1 f1 _2 i7 ?' ^7 m[0 j2 T! v1 W( b, d3 C. a: y
set 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: t8 t# Z# [( l+ O: Q, c# U: H! F
set k (k + 1)3 r6 `9 Q' z \; \ H/ E
]
6 C' r) G2 c2 p; e% D& y' W3 B! zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 4 _0 R0 v- A9 b' U
set global-reputation-list (replace-item j global-reputation-list new)
. t3 R5 z2 a5 |set j (j + 1)
3 K1 f# F1 q/ k! y) j6 m5 K+ C5 ?]9 N7 U6 _" J! {, w- `
end& c& P" x1 t/ _* J
. }% P: o; v: V% Q W
9 r; b& ?) b5 N0 v; i; V- b% n8 ]5 N( `) E5 I% ~$ N7 w
to get-color9 x, n3 @6 M& d" k" {8 o( D
0 K9 A9 u( k7 W1 T- H1 f( j
set color blue
1 J1 S S% a6 g' ^. ~4 `end
9 y* e7 i- W. S' X5 z9 y! Q1 j
. q) a9 m& |, x' T; I8 v# `* z, U9 G& Eto poll-class
- `; L* u6 T/ O4 T( v1 P6 mend
) S! B5 y& X8 o l! z! {4 G. A4 ]' P/ X$ E: j
to setup-plot18 I3 i( R1 Q) f. i+ j
+ q* ]8 m7 a) Z A' H
set-current-plot "Trends-of-Local-reputation"% @4 ?% i, P8 O3 u& d
4 N, i' m# ~$ T( |set-plot-x-range 0 xmax( N( n6 @7 i! ^4 Z
% I1 @. T) M1 I' R
set-plot-y-range 0.0 ymax
; l/ [6 ~! s$ Z& Y/ N9 ?end/ W0 v& Z% c3 Y$ @! z
, W# p" M# w# t. Pto setup-plot2
& ?& m$ r: f* @% ~, w0 F/ n1 @' N" y$ v
set-current-plot "Trends-of-global-reputation"% F7 Z0 Y/ K6 f# o* y
: J3 m5 K' w/ C+ a# V
set-plot-x-range 0 xmax
9 \# s3 j+ Z4 d8 i$ l4 E& x' Q# V6 \: j+ G3 T4 w5 A
set-plot-y-range 0.0 ymax
6 a6 O4 j& [. e4 {/ Z; hend) y5 {0 I0 t2 M; n+ {
8 a' S: X' `2 P7 K- W/ ^2 ]1 C
to setup-plot3
: W }0 Q; j7 K1 q- ^' [& ~! C9 `) F
set-current-plot "Trends-of-credibility"4 l3 U. b( i0 ~( F N, E3 D3 O
" {9 D7 v/ ^3 e2 E. \, sset-plot-x-range 0 xmax
8 y6 ~$ ~. Q' S& e, l. M7 r5 o W9 l. S0 ^
set-plot-y-range 0.0 ymax
/ G- @# O3 p& ^/ @2 [end: q, P2 W* C. B6 k. Y, [
& A2 g) O3 |+ D5 D2 I/ C, p# wto do-plots* n1 N2 P. Z- `8 j+ F1 D9 y. h
set-current-plot "Trends-of-Local-reputation"
! p9 m/ r: O. f8 Y6 [6 pset-current-plot-pen "Honest service"
3 H* d% ^- \# Z# ] }9 {$ }end
. P/ f. R. n) t: z# h$ |" G* e! g
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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