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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
8 W; {% n" g: w- J' p kglobals[, N" m" b' r8 M7 m- s" n$ W/ Y6 f
xmax
9 N ?, l$ I0 ^5 s$ I- b& j/ Vymax
' c8 a" a) h' @9 hglobal-reputation-list( h; f7 ?7 v: H2 T. V$ @+ ?+ G
6 f. q2 d6 [6 P5 u$ j; c, g;;每一个turtle的全局声誉都存在此LIST中2 {3 m1 w0 M* ]7 u7 P9 W3 H
credibility-list3 v- u$ V3 d7 x. E ?4 L7 O
;;每一个turtle的评价可信度) {4 u$ ]0 N* s8 S
honest-service
( Y, N, P2 t7 v$ J( F- _unhonest-service5 [6 U6 {0 E& [6 Y; a( X5 b
oscillation; ~* F5 q2 C9 ?6 I4 A, P$ y8 I3 c
rand-dynamic `- ~" b$ q/ m) y" |2 l; l% J
]1 j0 M" y4 y; @
& w. P9 P- X4 F X3 {
turtles-own[
i! T1 |( J/ [$ j: {trade-record-all
L5 ?8 J) k0 ~; `' q% d;;a list of lists,由trade-record-one组成3 u W( \5 K" @
trade-record-one# C; d2 Y* E4 w* [* Y! i
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录( c6 [, Z+ o5 g( i9 U* T
6 i2 A: F! N V0 a4 W;;[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]]# ^+ k- q9 V5 ]# u: ]5 U+ [. O5 @. m
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], n% R$ i' m/ o/ S) z* ~( F+ J6 [, 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
' @; G$ H _6 |" F. t% n+ c* Kneighbor-total
6 S2 C' G- h1 l1 e5 x;;记录该turtle的邻居节点的数目
) i) z, j( E( n5 X5 l& {trade-time7 ^% @1 K8 U& F
;;当前发生交易的turtle的交易时间
8 q$ e# E6 R# J2 a' Y% Mappraise-give* r+ p$ |: u3 n" x. }
;;当前发生交易时给出的评价' v2 W$ u, {7 K! P, ]
appraise-receive
& }9 s$ J- Q: [9 p- P# w;;当前发生交易时收到的评价2 G& B' ?! W4 A* N& C6 |
appraise-time4 J7 B* c8 `. _0 d& [8 \1 S
;;当前发生交易时的评价时间9 I* {. m8 s! A$ N, V, p% {
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
& r" n" M( N% J8 s% ?trade-times-total* f+ f5 i2 b4 G: V! j+ A
;;与当前turtle的交易总次数* |, \9 J7 Y) |' ?. n, b& g
trade-money-total5 Q& d; `: _) M7 n0 {6 I& N$ n0 Y
;;与当前turtle的交易总金额% [, I1 Y7 d+ K# g' N- r
local-reputation
! o# v3 g5 J, E- }0 Yglobal-reputation
6 v* R( M4 n. |/ {credibility: f3 x9 y4 L7 [( v% ^7 M' g+ a# e
;;评价可信度,每次交易后都需要更新: d: ^5 {: H8 t- y I
credibility-all
$ h4 W7 j9 F) }4 b J. D;;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
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;;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
8 y! Y, y: e2 `credibility-one) v' }& k0 X+ t! o" |: Z
;;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
6 _1 a+ x& M, n3 J! y4 i# \global-proportion
! x& N8 ?" M3 h2 B7 pcustomer
4 }; m% o' k% ^% J- h$ `customer-no
, w5 t# q" X/ d- K0 Y( ytrust-ok9 q3 ^% Y B2 e8 C) y
trade-record-one-len;;trade-record-one的长度8 |# _% g! z+ \. ]7 L# L
]
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) O/ E( G0 w9 I( M. \8 _# z* E- J- s$ b;;setup procedure/ K! M# J% U, M6 t9 ?4 e
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to setup! D2 i* x# N" ?% S0 }2 K0 p
5 U0 ~# L) w3 g( W X) `) d# Bca
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8 U1 W2 q& Y" R, Ginitialize-settings& w% t: t4 i5 ]7 ~: h8 a; s
5 m& y* H5 ]. q
crt people [setup-turtles]
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reset-timer2 l6 \0 ?& A( b
7 s+ l; [6 t; j; Z. B' r1 Qpoll-class
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. y* o/ U. X8 H0 e$ i, Nsetup-plots
1 k9 _% _. {4 R, j
' G6 n7 y2 |0 ddo-plots
4 }) q0 t& M# U l' S/ n3 L( F) kend5 T- w4 d5 S/ [* E' I3 b
# J* \# x7 [" qto initialize-settings7 A2 i# z# l7 I- g$ [
; E+ F; b6 W# _, S' Cset global-reputation-list []- f5 N$ J" X- Z9 @
/ {7 j5 _6 n. k% c
set credibility-list n-values people [0.5]9 J; B' l* a$ E* `% w
% Z5 J! Y' g; Dset honest-service 06 |7 V4 Y2 w( p- o3 {' P: ]. A
3 Z5 z4 |4 B% A: k& R2 y Eset unhonest-service 0
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set oscillation 00 p. x7 \1 X/ L6 n; K
. i$ r. x2 _0 s2 r, S ?
set rand-dynamic 0
6 s4 g% ^6 V4 z7 U' B: Q' fend
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to setup-turtles . n* d) O# A: F; g' h
set shape "person"
( v8 N3 T$ @" R2 `" U& g* ksetxy random-xcor random-ycor5 K! m$ P8 k/ X! x$ a) H4 M: N! g
set trade-record-one []
; K# q2 m1 `# x0 y8 Z* Q+ V$ q
set trade-record-all n-values people [(list (? + 1) 0 0)]
& o, G6 a! C9 v* [
E4 X5 ]3 [$ i3 e6 ~0 nset trade-record-current []
1 E0 Q0 n& b8 O/ V8 L7 l) g. E0 X+ wset credibility-receive []
7 e* X L" ]( d; ^% o8 tset local-reputation 0.5
! C) p* z0 H) Bset neighbor-total 0 f2 @+ z3 [* d$ j& {8 w9 Z8 j' o
set trade-times-total 0
8 l5 P4 r+ i, q* h. i" E1 Pset trade-money-total 08 s+ s( Q/ u @
set customer nobody8 k. ~+ j3 ^/ ]" X7 T5 Y
set credibility-all n-values people [creat-credibility]7 R. O8 V! C9 A+ I6 b, k
set credibility n-values people [-1]1 f4 p9 q: a8 `, p1 Q n5 p
get-color
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- y0 R0 R, S G! @' b0 n! [( [end' Y4 r4 v0 c: h2 {4 X
3 m% G! C ]7 i' G" R3 j$ eto-report creat-credibility# e7 W- w7 l5 [8 ~ w' _' |/ U
report n-values people [0.5]0 I5 o. O7 S& O F `) i
end
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to setup-plots6 O! T, q/ \. E
, Z9 ]* @5 Y7 nset xmax 302 w3 x) q/ U0 n8 L# Y+ y( F! X1 x1 L
+ P& y$ d2 H4 C( y# b) H( Fset ymax 1.08 a0 c, A( X( c& j E' [
+ x; m& j9 c. ]4 a. Z9 R
clear-all-plots
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setup-plot14 d5 o$ u2 g& z2 |$ Z0 o
- g3 u0 c3 y! Y7 ^setup-plot26 O) D y y: R
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setup-plot3- A( _3 `& [/ m+ I
end4 N, _% Z& _3 z9 B) K( Q0 O
) A& @: g9 d- R9 {) z
;;run time procedures
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to go/ y$ c" X3 w a& s% k
: ]/ v6 Q! s* {8 h/ l/ r; Q
ask turtles [do-business]( X M" Z0 p! Z1 G
end
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to do-business
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8 _% I1 b9 I/ C/ X7 r( L; R3 Z; I6 ^9 a2 X7 n1 S$ T& P: U, Y
rt random 3604 [! v3 S. h5 \+ r' W' Z
% H' |, f6 G/ _5 v/ B/ n: R6 s7 @fd 1
* v6 d9 P; u/ s% P# S, K
$ T: n i( N! C9 v: q& cifelse(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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set [trade-record-one] of self item (([who] of customer) - 1)
& `) _+ b7 H/ @4 V z% x[trade-record-all]of self) R1 } ~8 n* n9 b5 Z* N: n7 c
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 Z% k5 }; f8 n' ^2 _# w$ O0 n& n( J% t# M2 X- X
set [trade-record-one] of customer item (([who] of self) - 1)
: C h! j( F+ K[trade-record-all]of customer0 {( X5 z3 p* t% y1 l
- }. ?! ]8 Q* Z6 D9 _3 Pset [trade-record-one-len] of self length [trade-record-one] of self; Q+ V) x/ P9 C% D" `2 a
5 d/ K) ~( R4 m$ y* M0 N0 k
set trade-record-current( list (timer) (random money-upper-limit))1 F- w4 a2 P9 W6 V
- ], X8 u; i, }: p5 m0 x6 Xask self [do-trust]
2 S8 R b- W5 U1 Z9 L. I;;先求i对j的信任度
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if ([trust-ok] of self)
3 u3 f6 P: Q$ M' \;;根据i对j的信任度来决定是否与j进行交易[1 ^: P ~0 s `$ U3 \; m9 r. `
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( W) l3 t/ g% U/ P0 I* b& W
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[
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do-trade
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; @, H1 z1 n# b8 p* N+ N. n7 h+ m* Wupdate-credibility-ijl @9 q: C9 x& b
. |: g. k+ S0 R' t1 r* y$ h& Bupdate-credibility-list5 z. v% J* ^$ S
& |6 ^( `+ X+ l# [: ]) s- f8 m& C$ ]0 s: ]9 t- O
update-global-reputation-list
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% s8 c& [ M P) W! F' Z" I% cpoll-class
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get-color
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]]
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;;如果所得的信任度满足条件,则进行交易
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[. o- t8 `. I4 y7 m
9 e# T' u6 p7 I& x# prt random 360
0 H) h* F/ Q/ ]) b/ }. r& s8 m
$ h& Q7 A$ w0 A! F* y& n* Bfd 1
: m, x& N& ^# R. |" Z s
! H( {4 N! S) U' A' j]# `4 Q& P' j; z# l5 D5 q
" }* }0 @9 D+ m wend
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+ y0 |( v6 x" n. r! t# Eto do-trust
* ^. m$ f9 G0 qset trust-ok False
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" ~' u$ z: _5 ~$ O6 p& }+ P1 y: ?' V I* Z
let max-trade-times 0
( D9 b2 S$ Z8 k4 n; rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
7 b4 ^& B+ O l) Olet max-trade-money 0
5 i4 y( ~* R- q8 G! U1 Uforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ |1 E5 n' b& w5 {) T) }1 Hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))+ t' s6 K1 f; S6 @2 |, l" }$ b/ j
! ~: K3 V9 n; t& e: j
! |1 j! G$ a. T, Q" A8 G& mget-global-proportion
- l4 Y% y' R9 B# v8 ~' Dlet trust-value
. y$ f0 L; P4 blocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
. x, R$ k# n q/ X$ P {if(trust-value > trade-trust-value)8 w# _, r9 \6 R5 t% Z" ~% G
[set trust-ok true]% X o M" N1 N& N1 V3 Q" h! @
end
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to get-global-proportion
. I9 J; K2 L2 T& ?ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# m# G( ~: R7 S2 c7 K) w* n7 ~# w[set global-proportion 0]8 X2 |2 w+ W/ E- w% z
[let i 0
3 G# ^8 i& ~% ]6 i" z8 J7 ylet sum-money 0+ o4 d; r* O. m7 H8 m) d
while[ i < people]
) j. J7 B3 V I; E4 Y$ B2 b[7 o1 @4 s' [; Q2 A: p4 q
if( length (item i
$ D; B- f9 E1 e! Z[trade-record-all] of customer) > 3 )+ Z2 U5 B' Z) `" g2 G. b: S3 m- @: ~
[
9 E) v8 U) _% M& @set sum-money (sum-money + item 2(item i [trade-record-all] of myself))2 M! e [$ D6 q. `3 a6 j0 ]6 n) ?
]
# z( U/ M8 k6 p]/ n9 J# p: f) M+ z. z V" h9 d
let j 0$ z& b2 [3 Q* A
let note 0 N) s9 f- f6 I
while[ j < people]
5 Q* }& e/ d- D0 c5 Y- A& `' I Z* `[) ^) t0 f3 [; L8 m
if( length (item i
; ^. @9 F( D/ v/ R[trade-record-all] of customer) > 3 )
% v' H' a* U, b1 i! h( a0 M[
+ F2 g* n& Z6 [* difelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
. t4 x3 G r, n& p[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
/ V# k! I( e+ z* S1 ^5 N: U$ d[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]/ @$ F: d* P% o( P" y2 b
]
$ @; v+ H1 V$ i: F7 Y: D]
9 x4 `$ s6 n# v9 u# v3 n d$ Sset global-proportion note; k" h, c: M$ n' G
]) y+ r6 E. J1 L/ p
end
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to do-trade
' e; {6 \2 ?2 B/ C/ k;;这个过程实际上是给双方作出评价的过程& B( }4 r' o+ d9 ~2 t9 H3 l: O6 [! ^
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 M: O5 ^, u# Z8 T" }4 k+ B, ]
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- M; A l" r6 J6 b7 M- W
set trade-record-current lput(timer) trade-record-current
3 N0 T) @% t( \" @5 l: z8 C;;评价时间/ n8 d @1 g( L- y
ask myself [
$ a. e0 V8 \( u- p+ K" H- S9 q; |1 ?2 Uupdate-local-reputation
A- o3 m0 x1 C1 L+ [set trade-record-current lput([local-reputation] of myself) trade-record-current. A2 z3 ?: B \' v; M+ i G; y
]6 o, q) |8 h. G% Q
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 l8 B9 x3 t! ~; ~, o9 B0 W
;;将此次交易的记录加入到trade-record-one中
/ w, m7 H) P I* j+ Bset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
) M7 d8 [8 r( B/ M8 T) jlet note (item 2 trade-record-current )) s: }: h4 u8 v
set trade-record-current
# Y+ q5 X% F! Z- D; F$ [/ R( o(replace-item 2 trade-record-current (item 3 trade-record-current))! ], O0 N4 e: q9 e- Y7 O
set trade-record-current c, O& P/ L1 h' Z2 e g1 O8 j
(replace-item 3 trade-record-current note)
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" c/ O; ]7 a3 C: Y0 q& A6 Iask customer [
; `) R) {6 L5 y* u1 }update-local-reputation: d- B. S8 M! F( Z3 o7 n8 q. j5 y+ C
set trade-record-current9 @' d x) _8 t! e
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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$ [* x8 y! v1 m( l: p/ k0 S
8 `* D- d# q9 @ B' t0 o% kset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 m4 L/ i+ l8 }3 Y
6 f, F0 G8 z6 i9 `8 _5 |: r7 e4 ^+ uset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
" s" S" _% R# M0 S, U- i9 a;;将此次交易的记录加入到customer的trade-record-all中3 v2 o: p! w- w9 S5 e# w0 Q
end
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to update-local-reputation/ R$ t+ @" j' f5 j7 r
set [trade-record-one-len] of myself length [trade-record-one] of myself
2 Q) N, \, Y' _6 y3 V8 z- l! I2 I# |' s( [3 a
# @( V9 j' n0 D6 M7 `2 ~
;;if [trade-record-one-len] of myself > 3
3 x* [) F- f0 U, @update-neighbor-total9 I$ M0 b2 i) k9 P! R/ ]! {8 F M
;;更新邻居节点的数目,在此进行- i; c5 u* D9 q8 {4 G
let i 34 A' r& ^) |3 h/ E! O
let sum-time 08 Z; X- `- O1 k5 q; i
while[i < [trade-record-one-len] of myself]
; @( }( W& f1 m# @/ \' Q[
: g9 [2 n _7 {# cset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ), ]' g9 A9 M; u6 W
set i S2 C7 R. Y$ X
( i + 1) p2 j1 o) |) f; ^# }$ \
]) C! a/ b; @# P3 [* W0 b/ {
let j 3" d4 `) W# g. B8 h: K/ k
let sum-money 0
# J& N$ |, G5 L5 q6 bwhile[j < [trade-record-one-len] of myself]
) J9 e' Q* j& j, s' r) k[
- F5 g; ^% N! R2 `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)3 f: b9 n b- g' k6 J. H4 ^6 @6 Z. m
set j$ r j& m( C. k
( j + 1)
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let k 3, U& P5 l1 l! R! b
let power 0+ J/ Q9 k, ]. _8 z1 G. D
let local 0- J/ e$ y2 a$ ?5 \5 F) z
while [k <[trade-record-one-len] of myself]
0 o3 W% n$ Z0 E( ^. I& H: w2 m[ A, O7 F4 ~8 L. O# L, _+ X0 }
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) " G* C- ?$ l1 F. |0 N9 \9 w
set k (k + 1)
9 {0 o0 Z3 y* K( h]
5 E2 a3 V5 e4 r( k+ K" Q8 Gset [local-reputation] of myself (local)/ {5 }3 y; Z( `4 j7 g
end
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to update-neighbor-total
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+ Y' V7 R7 d. z4 nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ], S1 g6 ^; M# C4 l9 ?+ t' z
. V% ^/ \( q/ V+ {* \. A# g9 l9 x! c% X5 T! k2 E
end
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to update-credibility-ijl ) y3 W& x- q5 Q1 `3 M4 I! b
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;;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。) i6 r2 u% e5 F
let l 05 a( k6 U! v8 D3 {
while[ l < people ]
" t; N7 H% r2 R' t. V) Z* `/ n; p;;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)
0 |) G* ]8 @9 u* v$ Oif (trade-record-one-j-l-len > 3)+ c7 Z! V8 r: a& A
[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-one7 W! i( h" ]( h% j) t, C5 V
let i 3
9 y o4 p; B: o. {' Plet sum-time 0
6 n6 T8 K. i5 P. X+ l. J$ `while[i < trade-record-one-len]2 J/ E2 j" V0 V" X- Q1 S+ ?
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ M9 v6 h4 |+ C8 J; j3 d
set i
: _: P+ ]" U* y, [5 G2 e, T6 K8 F( i + 1)
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, ?$ p2 b8 `/ _, y8 m6 g/ e, mlet credibility-i-j-l 0
$ P$ q: G6 @, B; N2 h6 P;;i评价(j对jl的评价)' d9 v8 z4 c5 |- u5 s' f- N1 U
let j 3
- F( v7 H, ?/ Flet k 4 \" A/ w( i4 ? Q) r
while[j < trade-record-one-len]: ]. h0 B7 z+ }, Z+ b$ k9 b. g
[
8 E) ^5 C# p7 g7 M3 Gwhile [((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; |. F7 N8 e1 S$ d! U5 f
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). ?* V/ ?: ]1 s" {8 X! }- t# Q
set j+ X; E* }* e+ [6 `) s: A" U: Z S
( j + 1)
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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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 M1 F* \# q+ ]# S O
;;及时更新i对l的评价质量的评价 ]" Z3 N3 P0 c. N8 B
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]4 h2 Z; G! J9 d
set l (l + 1)" ^* f8 d; R8 r' j' ~
]
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to update-credibility-list
' W! s2 ?5 X& n* g) N( t2 dlet i 0
! G1 w" {6 Y- T2 {while[i < people]
7 Y: |, U8 N* w[
/ H) U0 S# u, U. X' K; C. c' V* a" {let j 0- H* y4 D* L4 ~) H
let note 0
7 ^) S: g7 }, _- T! `0 |let k 01 V Z: Y2 `5 V
;;计作出过评价的邻居节点的数目( H, c5 Y" g L/ R$ p
while[j < people]
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if (item j( [credibility] of turtle (i + 1)) != -1)
' f/ i \7 s$ m- M: l) I$ |;;判断是否给本turtle的评价质量做出过评价的节点
* o0 e& P2 P e( x[set note (note + item j ([credibility]of turtle (i + 1)))
5 r8 X0 |; S4 J) B. G, l5 T;;*(exp (-(people - 2)))/(people - 2))]7 t& d2 d6 L4 J3 E M1 \
set k (k + 1)
& F8 _/ p: s" ?4 i6 B]
( u/ A2 F+ R$ Z: i% Jset j (j + 1)" J0 q K' w$ _ v& p# n9 V
]2 z) D% x! L' u4 O2 T# X
set note (note *(exp (- (1 / k)))/ k)* k4 z% `. k8 y" r
set credibility-list (replace-item i credibility-list note)
. p% `; [1 }8 L6 D/ Mset i (i + 1)
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# r$ M) g* Q2 u/ W& h, Z& L O7 z% Zend
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to update-global-reputation-list, Q+ ]! F9 _$ U
let j 0
6 i* M+ t. L, v. Uwhile[j < people]
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let new 0+ Z E) S0 C$ y1 r/ \1 ?* s
;;暂存新的一个全局声誉4 M' z. C4 x* {
let i 0
+ A/ ]. B- j8 }1 i# q7 }let sum-money 0
( q! @( u2 Y6 ^9 t6 X3 K" jlet credibility-money 0
* i: h; \1 E! N4 j+ z6 Y2 q+ Bwhile [i < people]' X4 |+ W9 I+ d' {/ Q& V
[
, l( L) }! a$ pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) B$ z+ a& S) z5 c3 Q
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& @, T' n4 k: l: a) G
set i (i + 1)8 i( D$ A6 N1 `
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let k 0
) N7 z( ]6 M3 v& H$ J) f8 Elet new1 0% _. \" d$ f! ^2 A% D1 X
while [k < people]. ]& E& B, T. z
[
: S" r+ {/ E- u, H( ], m3 wset 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)
) Y/ R: R3 W: ?+ E5 P" [set k (k + 1)
C' @3 \; P! t3 {]
& z. H8 ?* S7 B# k7 F7 H5 X% Oset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% s+ t4 t9 m. y. cset global-reputation-list (replace-item j global-reputation-list new)
% q5 N% }( Q/ ~set j (j + 1)
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- c- R$ n: J6 u! K, {# l! G3 U7 O1 \end0 ^9 Z9 ?/ W p. t
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7 Y; ^/ \3 E8 c. ^to get-color6 v( K% t7 C8 J, j0 ^
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set color blue/ [7 I8 w8 L5 D" k2 u8 ]
end) \( T; `) ]/ T2 `3 c% [
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to poll-class; q/ C7 A' Q! m
end
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to setup-plot1! O6 g% h9 I$ P# [
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set-current-plot "Trends-of-Local-reputation"
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set-plot-x-range 0 xmax% r0 T" n; B; L! \% e; d: i# B6 g
9 F5 Q- x* _2 V( U" Yset-plot-y-range 0.0 ymax
3 c: I. e( U& M4 F3 Jend
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* c0 I. J4 c, T$ w$ _to setup-plot2 I2 G: i+ d- n" l% p" _3 g2 l
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set-current-plot "Trends-of-global-reputation"
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax: F+ D& c! h4 X- Y7 a1 z' [
end
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to setup-plot3
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set-current-plot "Trends-of-credibility"" g( Q% }/ X0 b/ i
$ D4 j" Z3 E! \set-plot-x-range 0 xmax4 D" f( s' T; B( f9 f5 Z
6 ^: y! Y1 W* X; F9 rset-plot-y-range 0.0 ymax
4 q* m* }3 W3 V' k% Oend. ]; U: T* K5 z; P* M. A8 O5 g$ o; \/ ^
l' `7 K; A8 ]$ ^% |
to do-plots5 y5 R4 M% S" ~6 R: U% m
set-current-plot "Trends-of-Local-reputation"3 r. q j# c m3 `% o9 C: H- F
set-current-plot-pen "Honest service"
, x0 y& _: U5 i/ s2 R) m% }+ K* t( mend& }1 ~0 e8 G, P+ E- @
2 E$ @7 a2 u* f" @[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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