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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& P/ Z! Z$ ^" a7 i1 S
globals[7 A' p5 I( Z* M1 h+ @
xmax
2 C0 b. n7 Z' X2 n4 z. p" x: Z5 [ymax
, z7 Z, f. c4 Z, T, ?global-reputation-list
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;;每一个turtle的全局声誉都存在此LIST中
+ F' f1 Q+ P# ucredibility-list5 H7 s$ i9 T: y8 `& O: J
;;每一个turtle的评价可信度
1 W. J4 I% f4 |+ E4 K0 a8 ghonest-service' R5 k- c& U! i! }
unhonest-service
P* o- l& U5 Y E, Noscillation3 L' r& l4 U8 W4 ~
rand-dynamic
. [! [, J: H3 Z]
& x9 g0 P( ]! f8 [+ q# u
) i) s1 n" m. z8 Wturtles-own[
) a3 |# v }. @/ k( U) Jtrade-record-all' g7 r6 U, w6 P: L" h: U1 d
;;a list of lists,由trade-record-one组成
% m& U h! r" p- Jtrade-record-one# {* F/ u7 Z& N, Z
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录7 J- g3 n% _1 B% l
% F$ A& L' ] v! W1 r2 b
;;[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]]
! l V5 E; K2 `# F! ^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]8 x* \3 {* _( e/ D; [9 A: A
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
' \: ^3 S5 r6 i! ~0 vneighbor-total
/ K% X c' \5 O! [6 s" k: y% m* n% ];;记录该turtle的邻居节点的数目
: q6 Z% f- V7 O$ C: t0 T, P& m8 ltrade-time
4 `! L6 e% l4 {& M4 w;;当前发生交易的turtle的交易时间
$ ~: g6 G# r" y- x5 _" ]" R6 Cappraise-give4 m7 C$ m9 d. x3 g( N& n8 l; E! H
;;当前发生交易时给出的评价
2 E" G$ ~& z2 j: C) Vappraise-receive; N0 B* D6 a( @1 M6 `1 `5 n
;;当前发生交易时收到的评价
. ?6 h/ g8 s! Y' b5 Z4 ~0 iappraise-time
9 B0 E1 j$ F: c, N" {; d3 H;;当前发生交易时的评价时间( \ f- q$ X- @9 X
local-reputation-now;;此次交易后相对于对方turtle的局部声誉7 ^9 e0 x c. H6 K5 k, T
trade-times-total
* G. f% J2 {1 f6 o5 j- b;;与当前turtle的交易总次数
3 A) h, Q3 w# T% [# u: ntrade-money-total
7 g; j7 C% Q$ V;;与当前turtle的交易总金额( `4 o8 a8 D. s2 x5 k
local-reputation( f' s; u2 q+ j( d$ P, i) t
global-reputation% W, C$ a9 S% z$ g* D5 R' v3 e
credibility
! y) V* d1 |" B/ C" H) G$ g;;评价可信度,每次交易后都需要更新* ?$ ]/ o, W& T6 q
credibility-all
* ~8 g0 M; T, q! c( ~, c;;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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' |: s. L' j1 P: _+ i;;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. x: h* F( K E1 A: b+ ]: {. W+ M w3 c1 P
credibility-one
: x, j2 P5 g2 h;;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
2 _. D8 v, p r3 V* z4 k& O5 Rglobal-proportion
2 F2 s. o$ a2 C% P# U: u3 fcustomer) C' t9 ]- p6 ?8 c* N. s' m- R
customer-no
) z4 t* r) f+ u! b- k8 W- vtrust-ok
( q$ O+ l8 l) l* a1 m* g0 a) btrade-record-one-len;;trade-record-one的长度* H- a T5 _! ^3 f* k3 h' I# S9 }8 ?
]
) Y) I2 O$ L' U3 S, p+ p! y- J7 y6 J
;;setup procedure: M' ]. |3 o' a! e3 i4 [
+ c3 ~# u/ p. \, x, Nto setup
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ca% y! a$ i/ J- I1 ^- K% y
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initialize-settings
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g5 [4 o9 a: D$ C# Y: s7 Tcrt people [setup-turtles]
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reset-timer6 W! e) \4 g8 o. g6 {& u
" h& X6 x s; Tpoll-class! v! J: P( X1 k4 F* p' r
" k% {1 m8 ^$ y7 Bsetup-plots
/ a) R. Z/ y5 w( C# M4 r; [- E+ W1 d
do-plots" f3 W" X! q# b3 M
end( z, Y4 ?3 Q2 x; Y# z; Z
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to initialize-settings
9 _' m0 X% C6 i+ {( B
) e4 L# I T, b! X/ k1 U! Cset global-reputation-list []
$ I2 a& n7 |# H; u
9 u2 ^& L- w+ @$ N' tset credibility-list n-values people [0.5]
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set honest-service 0
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set unhonest-service 0" I7 c5 k! q0 X( Y c/ J
o! O. k7 Q3 U% d% s5 F
set oscillation 0# a0 D# u' }: L' j X; u
* B5 R1 F% u* |# E/ s( Aset rand-dynamic 0- J5 h# [4 ?/ z
end
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to setup-turtles
& o) V4 q, D0 [. ~" \9 u; i7 I) Jset shape "person"/ h4 F; x: r% J0 J E) {- r
setxy random-xcor random-ycor3 {+ i+ t* E0 K
set trade-record-one []
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# R, m2 r" c& E8 [; Qset trade-record-all n-values people [(list (? + 1) 0 0)]
3 s- u, w0 N* u! @+ b
. e' a% G$ j8 L2 c( Z! e qset trade-record-current []
* {4 F, y9 D# {; V) n" ?, X9 Q7 aset credibility-receive [] Z: ?' j" v2 U3 r& k
set local-reputation 0.5# N+ d. c% j, Y1 X5 z
set neighbor-total 0
% t5 H3 h" ?8 V% n9 y5 {7 {set trade-times-total 0
) x6 \- U% T# R6 Y. bset trade-money-total 0
6 w- ^: x$ `/ f+ o" ^set customer nobody; h: y' k- `" {2 r
set credibility-all n-values people [creat-credibility]
' B# M! j! `3 @- @, Oset credibility n-values people [-1]8 h3 X7 L; \) S( C
get-color
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* r( I, |2 T' P+ mend8 H+ |6 c* j! v' v. k* T
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to-report creat-credibility
* e! a' @9 |- i8 Oreport n-values people [0.5]4 O. c7 X# w7 e8 E
end
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to setup-plots
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set xmax 30" D$ o( F% x% V
- @/ q* H+ t% t5 |set ymax 1.0
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clear-all-plots
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setup-plot1
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) { B' @8 `* Y: V& `setup-plot2 M5 ?& J/ Q( v9 F0 U
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setup-plot3
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6 I" T. X; _* o
;;run time procedures
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, D% H. q5 S3 p" `* J4 N2 Cto go; K c- Y% Z) b8 b4 ?
3 n7 w! E4 j4 Y6 m& Z$ C- `ask turtles [do-business]
r& p5 F$ z P7 ]* Tend
. X6 g! \ N0 d/ G! N- H5 J1 j( h/ e: t& b, N% ]7 s6 z3 N! ^$ _
to do-business
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5 p3 i) c- [! a0 F" ~ P" D2 ^: K4 e7 i% o# ?
rt random 360
+ t$ a C4 _; N6 Q
' ~. ]2 o' @! V$ d1 K4 Bfd 16 k" F1 g' g! T9 r
9 q" j( J& k* H$ p0 C5 Difelse(other turtles-here != nobody)[
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set customer one-of other turtles-here3 w8 U& z! e8 N
% ?2 Q- y9 Q/ q;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
9 I) u5 L% \) M# {[trade-record-all]of self
) A) }) B& F+ e5 q, z( };;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self: Z- I! f" Q d' n5 A; X$ l
$ V- k$ y/ C; h I% j
set [trade-record-one] of customer item (([who] of self) - 1)* s; i4 R I, v! ^. O
[trade-record-all]of customer2 Q% a, l& i: v: R+ X
" V. {& Q4 e" t9 O, tset [trade-record-one-len] of self length [trade-record-one] of self7 {$ N" N) q: D5 R9 h* J+ R
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set trade-record-current( list (timer) (random money-upper-limit))
% B: t/ p X1 Y8 e S; C' S! J( e% s# p% \8 s
ask self [do-trust]6 Q+ f$ [+ C- L. \. s; T! M
;;先求i对j的信任度% ]2 ~: C8 n+ V: B3 V6 X8 b! \
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if ([trust-ok] of self)
, j7 I- k! X, y9 G7 M9 ~ b;;根据i对j的信任度来决定是否与j进行交易[
- M0 @$ W6 G; d2 wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself# \/ Z& _ \/ K5 `: w
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[4 W# D' a; D3 c# W/ I4 e, q
( T+ l7 d: d. b6 O; X- \; X
do-trade
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update-credibility-ijl8 e4 [. @! A3 g. W% o* `
$ ^) L' d, K/ B A# cupdate-credibility-list/ h/ a, T( [+ \( C. |2 c
4 ]5 ?4 j3 v, O: w. X- n+ j
( h8 m$ N5 a; Y5 P! [0 tupdate-global-reputation-list
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* c9 b$ t1 h# ^% w b: v! O8 P0 upoll-class
+ |% o2 l( b4 a$ x. z9 m c7 } v4 o/ [" R* Y
get-color$ {4 j9 g3 [ v9 M' D+ }
. h: f% ~9 s) W" t
]]" d" U/ S+ |3 w/ i1 \0 O
3 H X: n$ f# y, j# a* r;;如果所得的信任度满足条件,则进行交易
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' o7 A, n3 A$ L/ o; y[
' M/ S* r: R$ O- h
) T5 P, j1 f1 l+ b5 p6 |% T3 brt random 360
, |# n( x+ o/ h9 y4 X' I/ l6 F
! H2 D1 e& N1 j( j) Zfd 1
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]- y/ H, N. q) A: Z
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end7 @' f' l( j( b9 j, m7 }. ^3 i
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to do-trust 6 |/ a* T" \. S9 e5 @: j
set trust-ok False
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7 t. c( K& }' D# ?8 C8 J
let max-trade-times 0
- J) I2 k/ F- R* B. G+ sforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
8 v. s7 b# ?5 w2 }- slet max-trade-money 0. v7 j& G1 Q2 N5 g
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
2 ]( Z1 J: k6 `let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))* x3 M# `1 Q8 S: b& s4 R5 s
/ I2 [: z5 }8 [2 i1 y, d- j, s
; I, J2 X5 B1 T4 Y5 _6 Tget-global-proportion
! \( q& R/ f5 flet trust-value
" ~- J% B* \4 k `: m& e ^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); m; s k( A. D3 h
if(trust-value > trade-trust-value). m+ _5 ]% d( i
[set trust-ok true]' X0 s/ P# Y: a
end' W# i# w- b: g3 {! y( s; ]
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to get-global-proportion+ {! g/ U6 }' S2 H
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
0 k5 y* q9 ^# z8 Y[set global-proportion 0]1 k( m4 G% P& H9 Z a7 v+ Y$ t* r
[let i 0* V) r& G, T$ G$ [
let sum-money 0
+ I. s6 [, ~4 |+ ~while[ i < people]- ~# S$ C8 d& E: u% R
[6 `6 q$ C* T4 ~6 @7 j
if( length (item i
- E1 Y; N! U) |. G% e) v, B[trade-record-all] of customer) > 3 )# J7 C2 P ]" w z( H/ I- n- G# [
[3 {/ d* a7 ?( q8 |
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
( o, y% G5 Q" E) }! t1 j]
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6 [7 G' C, E# x2 slet j 0# R* z _2 P% G) U' ~
let note 0
& c$ P: A; t; y0 c9 Y/ W) n, t2 Hwhile[ j < people]
. h! Y' O ?1 x [, b+ J1 |[) l O& l. ?, W' n7 C. a0 ]/ S/ h
if( length (item i
/ O2 \, J$ l9 v: `* a5 Y! e# p[trade-record-all] of customer) > 3 )8 Z. n; B' d4 L0 H1 _$ M5 h, U' f
[- V0 z. R0 a( b
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
v4 ^5 T1 Q& w[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. E2 u# o% S6 L# R& }! \: I- D& {
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! X! n* m1 u9 C3 k3 G4 d j3 n
]
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set global-proportion note
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- ?8 O. W- ~! R7 vto do-trade1 p0 \3 K& b1 x, `! o) ?
;;这个过程实际上是给双方作出评价的过程$ r$ u: P1 }$ e2 G: u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
Z1 m1 i3 {; U$ ] lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
8 k% i$ Z2 L" G+ t' p7 R) H" T7 Xset trade-record-current lput(timer) trade-record-current
; [ ]2 `( W0 Q' w, [) e) E+ A% w;;评价时间
/ O! ^- Y( Y+ @+ iask myself [
7 w' Z' V5 c: S a& bupdate-local-reputation% H3 R' I9 d( @7 D Q1 x: x
set trade-record-current lput([local-reputation] of myself) trade-record-current
E1 u# l8 A' X$ J$ ?- P: s: J]
4 k- ^2 x( ?# Eset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself& q: s1 m2 Z. [/ D
;;将此次交易的记录加入到trade-record-one中 u2 R1 q1 J! p" L2 b9 r
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)* o/ u% L% T' v# k
let note (item 2 trade-record-current )
) ^6 Z, g: S5 `3 I* m, xset trade-record-current/ P$ c6 _ X& ^/ ?. ]" z
(replace-item 2 trade-record-current (item 3 trade-record-current))
3 p" {! ^& p1 j9 fset trade-record-current
4 F- h9 Q8 E! y# K# E1 ?& C# i o(replace-item 3 trade-record-current note)0 L9 \" }* y- D, P
7 c- L' U3 _) A# v7 ?: C0 I9 O
B' l& W9 |; }0 v9 N, }" _
ask customer [9 b* e, ^, [% W% g' l, e4 l. q/ I6 ]2 l
update-local-reputation
* x6 J6 t0 x; v z$ O8 C0 N, g, I3 Mset trade-record-current; G: p) k/ \$ H/ b/ j
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 0 ^7 I7 |* I0 }! R2 y! ?& d
]
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))4 g7 P- A! ?; [7 Z9 T
;;将此次交易的记录加入到customer的trade-record-all中. h# E$ o- \$ Y1 N
end
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to update-local-reputation; f7 R& |) x4 w8 m( M6 i
set [trade-record-one-len] of myself length [trade-record-one] of myself
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9 U2 W( J+ x- w9 b! z5 `5 U! i;;if [trade-record-one-len] of myself > 3 ; w4 J& F. [/ n" z* a$ H
update-neighbor-total8 u c4 W1 H% ~2 Q* r1 i. h6 g% w
;;更新邻居节点的数目,在此进行. e1 z/ N# g& @( L
let i 30 h% ?! x) t" z
let sum-time 04 l3 }4 r3 c5 H' b
while[i < [trade-record-one-len] of myself]
4 W5 B6 |' J, T6 [. y' A" }6 t3 v[( m. j2 ?) y2 R/ [0 K# R, v0 P+ J
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
$ B- G1 j2 ^' h" }set i% p2 B2 X2 B& B; U
( i + 1)' Y& M/ _+ I( j- G! X
]2 j, ?. S7 w. L0 G+ B
let j 3+ v7 X; s1 h) O. w
let sum-money 0! T. Y6 t# L; ^. q/ \( T1 R
while[j < [trade-record-one-len] of myself], X. G1 Z3 k* s
[
0 z8 Z$ @3 \5 W# u9 F: Uset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)9 }. W8 f; }! w4 k- ]/ ^
set j
5 \/ y* P h$ b3 q6 l: R% S( j + 1)
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z! J) z2 M `. q+ Z, Llet k 35 L$ S& p+ _7 j5 _, T$ V
let power 0
7 U) V( y6 P _1 d! s; _let local 0- `+ G' C$ f- B& }1 z+ u# N
while [k <[trade-record-one-len] of myself]: A L/ \+ o% ]" x. }) [
[% }; B: N1 p; x7 s: F1 t9 B
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) 7 v( m ~- l% a
set k (k + 1)2 ]+ `# {" Y4 X4 s( E# a2 _
]
" P3 u4 Y/ V/ ~; K- fset [local-reputation] of myself (local)
$ B: K8 p' K) i0 n4 Z% {; J Xend
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to update-neighbor-total+ w. ^, A. Z6 h0 k1 q
8 p/ |/ L# B' d) U: r0 bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]( {) ~- p. i2 R: N$ d( e1 t
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end/ ~* r" f4 D( R+ i
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to update-credibility-ijl - F, ]1 ?; O; {8 }
' T+ e% [. T, g;;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。+ h/ ?# b$ n. X4 _ {+ |
let l 0
( d" A' k" h/ `; V$ ~while[ l < people ]
" @# f, w% L+ D3 n$ E( };;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)
. i! W* N' _ E; tif (trade-record-one-j-l-len > 3)
$ ~( o7 R. z% C8 l[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
H9 i) _$ `% q$ `let i 3
7 I3 W$ l1 k: ]let sum-time 07 l9 ]2 B0 O+ C, T2 A
while[i < trade-record-one-len]( F" G5 W1 ]: Y P8 p
[
' d2 L* [4 U' f, _( aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )# |! j, ~6 w( b+ h6 s# o# }
set i3 m9 N6 o e5 n$ A
( i + 1)
# j, R: E4 {2 H7 D6 l4 L]
4 {: Q1 ?9 A+ d! Z+ flet credibility-i-j-l 03 J% Y; S0 F( c; S
;;i评价(j对jl的评价)0 C4 I: ^( x" A% r# k
let j 38 ~1 E. O% k* N% ~( g+ u
let k 47 T$ b: a" g# v5 \/ q
while[j < trade-record-one-len]3 Z2 L y" I N: j8 ~
[
" Y* r7 `: u! owhile [((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# D' `& r" A. o5 u3 I. S6 h. F& l- l
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)' c; ?) j! B% W
set j# Q& g: n! L2 ]. B2 i2 G
( 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))9 H6 i1 c5 _7 \+ d# f, i
;;及时更新i对l的评价质量的评价! ?: c, H& e! b" y6 D6 r" s
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]& l" o: y! u( @" t+ l' a/ L
set l (l + 1)
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end
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, P8 Q* F0 P3 e, X' U& Uto update-credibility-list
* z" X! y, h) o# n Jlet i 0
$ _: f8 M0 I# C+ Z Fwhile[i < people]
7 W% J) i# @# `( h[
$ n& d. K5 V4 g5 {let j 0
* D; x3 \ m2 n" F. Rlet note 07 n& P% V$ K. m9 K8 W3 }( U
let k 05 `! u* H1 ? S2 V
;;计作出过评价的邻居节点的数目
& _5 W( B! I* G- F! u0 Vwhile[j < people]
! @: w3 {' p) e- _0 ]" N[
( {) g2 X+ ?; e6 ~* k+ Xif (item j( [credibility] of turtle (i + 1)) != -1)
6 F9 T+ l2 t2 |; m2 h7 h;;判断是否给本turtle的评价质量做出过评价的节点1 F" Q% V e2 F3 j: J
[set note (note + item j ([credibility]of turtle (i + 1)))
2 E8 ?- c9 a# H; ~5 r5 Y;;*(exp (-(people - 2)))/(people - 2))]9 U' p& a$ _' F& Q
set k (k + 1)
- L; O! t+ T, t]
( d, B- u1 W% T: |' g& n1 Q( fset j (j + 1)
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7 G# x, q+ L3 Xset note (note *(exp (- (1 / k)))/ k)! V- Q% p8 h2 l! P
set credibility-list (replace-item i credibility-list note)
7 H0 T6 [0 m8 o; X/ S1 \set i (i + 1)
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! f3 [2 H+ L( `( `2 Q8 [- qend: K7 Y/ M$ A; q. o9 o& K1 p
' _* T/ e- o( s. a Uto update-global-reputation-list* G2 H0 G' S0 v" O' |. t; z
let j 0
0 {1 B3 X. w" W3 j0 B4 _2 M8 {while[j < people]+ J. \5 R) _2 w4 H0 P
[% B8 L+ a9 M0 u% G7 b5 @& F
let new 0
- o1 D8 Y( t" [" x9 |* S* K4 ?;;暂存新的一个全局声誉& \0 D) Y1 [; Y3 p' v' c- k1 I
let i 0
: S& ]3 r4 Q, m* wlet sum-money 0
% |+ w3 `& r. I. d6 `& ]* \7 nlet credibility-money 0
! s& Z9 E" K: O3 P) R( y wwhile [i < people]
( T2 D3 {# O1 k2 R[
7 `) ?7 N. W3 d W& M" s3 [/ \" `set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
$ T8 Z3 ]: _" x3 h& Bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))6 q7 D7 {' \+ I3 G0 l8 ]7 g3 }6 p
set i (i + 1)
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let k 0, p3 @1 |, k4 g4 y# Z6 ^
let new1 0
( m2 S; x! w1 N. Q+ i: iwhile [k < people]
# P4 L8 s: F4 ]; j[, H: I8 P* q1 I9 i7 m4 V
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)
# p; B) p# m6 |$ Uset k (k + 1)
/ v+ q- Z7 P \- O]
2 B/ U1 M) o; Z- n2 g o+ m1 [set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) q, Z2 P. a2 z2 ` x! Q0 @, ^- O1 R
set global-reputation-list (replace-item j global-reputation-list new)& v* v- d) g0 ?' ]" Z7 k4 v
set j (j + 1)
0 O {9 V# O8 a]
- t6 d7 I3 A D) B+ D1 cend$ t* r/ R& h9 k- @- p
+ L. E$ f4 h3 p/ U
$ d/ u6 {' s+ ?! \& F+ u8 ~- X3 g
to get-color
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set color blue
* L' k( ^. o2 E$ C2 Xend# ^' Q! L( e4 A. z
$ a+ ~0 b0 c) v! G: y' w
to poll-class/ g6 Y$ K6 C L- _7 _' S$ w. I
end3 a4 i: e4 [3 L' r' Y
6 E9 B: U4 O/ P7 c" [to setup-plot1- l) [7 Q! x/ f, s- Y
" ~) N2 n2 A O+ d- j1 r5 o$ F$ cset-current-plot "Trends-of-Local-reputation". W2 s; h) p0 S' j9 s
5 `1 D3 u1 T# O3 {
set-plot-x-range 0 xmax
, W% F- s: q9 V- n$ x ^6 X" ~
/ i7 Q, _9 B0 ^ P) gset-plot-y-range 0.0 ymax
) @2 k+ B! X) G* A& c: }- p8 G* v; Uend/ E+ T' @0 M ]+ u
; P" `6 O5 J1 W: ]
to setup-plot2
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set-current-plot "Trends-of-global-reputation"
6 ?* T9 K0 {2 V1 w; ~, ~
- G# A) Q3 H+ A( [set-plot-x-range 0 xmax
. b0 U7 u5 k2 n8 H! T6 A$ |+ b. a; R' F2 l Z3 s
set-plot-y-range 0.0 ymax
; B, D; Q3 Z7 ^end' ?3 y: B G: n0 Z: _
( I f% T# |$ u: T; nto setup-plot3+ ~0 x5 ?* u" G, E, B) F
9 x4 _6 K8 W" y O- K' W& M
set-current-plot "Trends-of-credibility"; T: w; i! B- h0 _( H! S
) V2 Z; K/ u* o; A1 ^9 T2 g: M
set-plot-x-range 0 xmax
4 [- j7 p$ A2 {' ?9 {" \1 ^* X) \, E. {
set-plot-y-range 0.0 ymax5 ^0 S# H) }( W/ d: \7 L U: O
end! A. a. m6 c* N* N, f) A+ R/ U- z- S" z
9 B* }* Y8 w- g# Kto do-plots
- z1 r) `& O: ^, {& _" J; bset-current-plot "Trends-of-Local-reputation"
6 }0 t! a& i3 Mset-current-plot-pen "Honest service"
' @. |3 C$ x3 O; D; l$ eend5 @. T6 ?" b; _& a, B( i
* k" b7 r9 J& V8 z) Y" m. A3 J/ i[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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