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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5 z+ ?4 X. J8 J
globals[, k3 v) p. D: E2 [
xmax
" ?. b3 [2 p4 E* ?/ S, U) Eymax
6 j6 q4 g# e- s) uglobal-reputation-list# [( W5 {8 Q- m, R; J6 {. p) ?# g/ U$ ^
2 i2 {7 C7 X& R' U( M: |8 L1 r& ];;每一个turtle的全局声誉都存在此LIST中3 j5 @1 x: A& [/ N. G4 J
credibility-list) H7 U& z/ n3 C# N4 r
;;每一个turtle的评价可信度
& I8 F1 c" f/ R- y7 O5 Ghonest-service6 x; J3 [. i5 s5 o! ?) g& ?6 z& M
unhonest-service
( G# D% J! n) h. Ioscillation
: v% x4 j- i, d) N; m$ e8 R) Prand-dynamic
% g# \! \" i, S) a) G o( }]# }# K# @5 \; r. o' {& |& S
0 `$ Y6 p% }3 `6 f7 Q
turtles-own[2 D( [& Q: { X: A' Q/ g9 y3 i% u6 x+ u
trade-record-all
`) L7 S" T# E. L% T;;a list of lists,由trade-record-one组成
! M- i! p! J- n& L3 y! Ztrade-record-one6 m* S% d% n' D* b, f7 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: p3 l2 K4 z8 p; ~. V7 m4 J8 K( s, d
- x4 d/ F; d0 y, f' [! H" c;;[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]]
6 P9 c0 U: |7 P* v% S# i; @& wtrade-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]
% R# i2 f" q( n4 N& lcredibility-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
; z, b. y7 e5 v3 yneighbor-total+ O3 u! P3 `- ^7 l4 E6 z
;;记录该turtle的邻居节点的数目
O! g$ k& j# v# t3 jtrade-time
3 u; b# ]5 d: X' V9 k;;当前发生交易的turtle的交易时间
8 H6 \6 h- X& K5 Sappraise-give' M5 `* P3 {) E) h
;;当前发生交易时给出的评价
. h% u. I( @: y$ p" _. W! p8 Lappraise-receive& X& Y5 X2 S2 W/ D: |: I7 ]
;;当前发生交易时收到的评价: P1 ]) E; v+ Q, p, W4 V o
appraise-time! T( I( s8 s& D! {
;;当前发生交易时的评价时间
: a; e$ n9 o" K" y# t' }local-reputation-now;;此次交易后相对于对方turtle的局部声誉
! t v5 o. N( s1 G, [trade-times-total1 l/ Q8 k2 {6 z- V
;;与当前turtle的交易总次数& j, B5 Z* \* V" t
trade-money-total, n" P% m' A! _6 t7 }: m2 C
;;与当前turtle的交易总金额
+ A& }; R: u5 M5 hlocal-reputation f" b. X- ^4 }4 [+ O2 n
global-reputation5 D% P$ `) Y2 x, t
credibility3 M- H" @* c/ ?" l; [6 U. ^4 E
;;评价可信度,每次交易后都需要更新. p% U( y9 x! [( p- q9 P
credibility-all$ |) G( _2 |4 S. x" y
;;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& b6 A* j: T5 [& n
9 f0 W1 B8 C3 Z& q8 K;;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
3 ?* z, X9 c" @credibility-one
# ]6 ~% d; {; \;;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: R l3 z% |$ `7 @8 ^. C0 _
global-proportion
' m/ M1 Q) ^) p5 ^7 K1 {customer2 n a" Y* p! c: B5 ~
customer-no6 M1 v4 w* f2 g% ~- Y
trust-ok6 ` I ?. E. X
trade-record-one-len;;trade-record-one的长度: Y! {6 Y4 @ b @& X) G1 Y
]
F/ o2 ]( N2 Q( v
$ W/ c3 h- F7 \;;setup procedure. w h* P, u8 e
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to setup
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( z6 o2 l y; L6 _7 y# k2 R, ^ca8 q- B7 a! ^/ B+ z' K
/ f/ z# ?+ o1 P. \% ?2 \initialize-settings
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6 [9 f E, ]; K% J) f0 q% i) q9 Jcrt people [setup-turtles]5 C* F$ |0 o; W# Q6 L' j z
# x7 l2 B+ P, f; {8 w/ j
reset-timer0 I% Z* G6 K" I/ M8 a% r
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poll-class, k* t. M p. p+ A1 Z
0 Q$ d9 L! x- W* fsetup-plots
) {; } n( b/ S) K
3 k4 F' e# a, o: g8 v s: j" c# Qdo-plots
, a7 ? ?8 o) X* Qend
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to initialize-settings' E9 ~ G0 q& u; w3 N& u
6 c1 L. j! x$ \; _) v/ mset global-reputation-list []
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) A# V5 X4 \+ f- p8 s, nset credibility-list n-values people [0.5]. h ^& `; F3 q4 i0 ]3 @8 t
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set honest-service 05 z6 _, p! o( e5 @' r E1 g8 A
( U0 F2 u* \3 K' I+ _0 ` H0 zset unhonest-service 0
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set oscillation 0
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+ s8 U, n: v ~. H! F( Uset rand-dynamic 0- S. }: s( \$ i
end# S6 ?3 y3 q7 ?+ t
4 _$ P9 |2 q' [& \to setup-turtles
4 I6 e. v, `6 l+ d( {! Fset shape "person"5 t8 E( |# h, A
setxy random-xcor random-ycor. r$ P" T4 r* N( H4 H* X; H
set trade-record-one []
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' ]% g$ |8 W7 V8 N& N- o) S. M7 Uset trade-record-all n-values people [(list (? + 1) 0 0)]
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2 a2 Y! d# i7 ~! ^: P0 [set trade-record-current []9 E7 ]8 @' `+ Z" v8 D: X: \0 @
set credibility-receive []5 r* [2 E! y& k9 ^5 G: a! X; Q
set local-reputation 0.5
5 o) N% p% P a3 {, j( l4 L: J% ?set neighbor-total 0
& v# }% G4 ]4 D* oset trade-times-total 0
$ t) `2 J' y2 t* t# \set trade-money-total 0
- v2 x. [8 \/ B7 X# t% r9 Qset customer nobody$ b$ w, u7 m3 g8 l2 L
set credibility-all n-values people [creat-credibility]
1 @! g3 z$ G) rset credibility n-values people [-1]
8 x, v) [, o1 a Z4 Oget-color
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8 s$ m- u/ c- @5 Wend
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& m6 `: `" l6 s) L' Bto-report creat-credibility
5 w* l$ J/ l& sreport n-values people [0.5]
. y7 `- a$ l& K2 V9 Lend: x4 l# e1 r+ |+ d
0 L1 n/ ?, ^+ s$ Cto setup-plots
1 [ n+ N+ \- j. d( k
; s4 n7 w2 E7 q! d4 h% vset xmax 30
- {9 e" y; @; e! t6 [& ?
2 x" [; z. e+ d( u. R- M8 A1 v( dset ymax 1.0
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clear-all-plots% K/ p3 o8 h8 q" _7 F, v4 S
9 V7 M8 {' C2 @setup-plot1( r: {9 m2 P5 ]/ m0 i
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setup-plot2! f3 m0 d$ K$ y* D1 a% K3 ~
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setup-plot3
- H' J* A- |7 k4 O* oend; D c4 @9 F: |* P% q. I i: p3 x/ D. q
! x, C% }6 {& B" y' y
;;run time procedures
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to go% [3 D8 o F2 {; T. z5 L' C) f
- A j3 {, `+ n' T$ l+ @. zask turtles [do-business]( J0 D9 z! r" P, W( Z
end, P2 R1 d7 A4 O6 f
$ j* N# Z. q8 z
to do-business
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# h# Q4 x8 _5 U+ W' Q" yrt random 3606 f! x* O( d& d5 e# Y6 ~
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fd 1
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ifelse(other turtles-here != nobody)[% A8 ~2 i) ]" l7 u
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set customer one-of other turtles-here5 T7 {6 p& d) v5 |- [
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;; set [customer] of customer myself
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. w& h; b1 U% i' ^* Zset [trade-record-one] of self item (([who] of customer) - 1)
0 f! {4 `2 z0 _( W7 U[trade-record-all]of self+ `$ R, y1 O9 h% V- @% ?' _& z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
$ d. s9 G8 a4 F7 P, H$ Q
4 x7 z; c' @, n+ Hset [trade-record-one] of customer item (([who] of self) - 1)
9 O- [1 D& S# Y8 l: ?* \, I[trade-record-all]of customer0 \3 K* T6 y1 ?9 @" O' z
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set [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))
5 A8 g% d e: X
: X+ k; f$ a' G9 N$ t" aask self [do-trust]- y g' R# ]" q3 X1 G
;;先求i对j的信任度% `% o) X$ O/ {$ j
: @: F: E, p& G+ Eif ([trust-ok] of self), |! c# ~7 Q' P
;;根据i对j的信任度来决定是否与j进行交易[
' Z. ^9 h, p/ yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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w7 I3 J% G, W; q[$ E- _5 ^3 Q$ X
! n/ y" a/ V- G; }) ndo-trade
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update-credibility-ijl
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update-credibility-list
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update-global-reputation-list7 b) e, R8 \1 }" @0 L
9 U- g* o8 @. c5 Q+ X- ?: i9 \% Rpoll-class T; p) x" V# n0 X
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get-color) O- r+ C$ u1 S7 _6 n# v0 D
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]]1 ]2 B+ Z1 @" L8 Q' N2 }* X9 h
$ |: r: p5 a9 n: };;如果所得的信任度满足条件,则进行交易
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% f" B5 s, z! ?' @* c; H) L5 E, P @- ]+ u% j! `1 \8 s* a
rt random 360
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fd 1
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5 b# H! G0 v( W* C4 zend
! X- y% q" X1 Y4 O. b# `* x# |1 F. r9 s! ?' V
to do-trust
( a6 o- h9 j7 Iset trust-ok False$ N8 S/ o- Y3 M0 `6 n F
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1 [" I" m2 P4 p+ w* @
let max-trade-times 0 w4 b! }. L6 E+ t" G
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ b$ z* x. a+ j. P5 T$ B0 s x+ @
let max-trade-money 0
% T! g; `, h L; \$ t' Wforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, Y+ d3 P4 L y3 S, ]let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
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get-global-proportion$ ]. x2 A) M9 V7 V6 d
let trust-value% M5 c# v2 E6 d/ K
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)9 d2 X' H& S" B
if(trust-value > trade-trust-value)
P, g- _, ~/ P" E# K2 E7 d2 j9 }[set trust-ok true]
- R8 M/ x6 h! p$ Jend1 j# t& c3 Q% n3 m4 z
3 G3 g, _+ a+ Q5 Z, Ito get-global-proportion
1 B1 }* Z5 x+ `/ W$ \0 Gifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' M0 A) \) i( X; X: n[set global-proportion 0]- g# \# b6 I% ~1 K2 K: {2 s
[let i 05 [0 f/ W9 P6 t1 W
let sum-money 0, P5 V' ]' W! R
while[ i < people]7 M: w3 P8 e: P7 z
[
5 G5 d0 A: r& v, N, _if( length (item i
% q/ T+ r5 G. {; U( U[trade-record-all] of customer) > 3 )
; c! s h/ j/ v% X[
1 j5 o2 g: d2 R! Q- o7 x& Oset sum-money (sum-money + item 2(item i [trade-record-all] of myself))% u7 i9 c4 o' D1 H
]
6 h3 e* `2 B' M]
2 P1 W" F, C9 z& u& M+ llet j 0
9 }9 L" c/ Y) ^0 U! j4 ulet note 02 ~4 A7 C' N; z Y
while[ j < people]
$ I8 s& J1 L' H% _+ v+ ^ ?[# i+ { q @) Z7 S. q* X
if( length (item i
. H) Y, q' P" |3 _5 X+ O4 d; }[trade-record-all] of customer) > 3 )
* H0 Z0 W$ C! E' l2 o[
9 n7 b+ `4 ~3 T. n& K' ^% g; oifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)& D } w. c4 A1 u$ `) F2 K+ i
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
2 m$ K, z4 [8 e* Z& p5 y+ g& P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
7 A, ^. N; P) o7 S$ s3 p0 A]
+ Z( N/ ]* R6 m/ n2 D' y]
% M4 l5 R e7 g7 n9 J: gset global-proportion note+ ]8 j* |9 Z. `' ]2 |
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end
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to do-trade
: ]+ Z& [7 g8 [& j, D;;这个过程实际上是给双方作出评价的过程+ N2 }' H E, @- a
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
8 f* u, g1 U; }" pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
1 \# n" B/ }0 j8 Rset trade-record-current lput(timer) trade-record-current. ^2 g. Q A; f
;;评价时间
8 ]- o' ^. u5 Q6 Zask myself [
7 |1 X* U) Q# S; c p: ~update-local-reputation! C9 g. E$ J, {0 o( j& l" ^ X i
set trade-record-current lput([local-reputation] of myself) trade-record-current
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$ d* }; ` V& c3 O* A" Gset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
6 D K4 g2 g1 E. @# b;;将此次交易的记录加入到trade-record-one中
, e' E9 \& m+ r+ O5 X' F1 mset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself): j7 k) y* h+ o |
let note (item 2 trade-record-current )
" m* x" `* G+ J* fset trade-record-current
8 ]6 e% ~! ~) S. F, a$ B5 g(replace-item 2 trade-record-current (item 3 trade-record-current))
; @3 `: @( l* K# F& ~3 \8 Tset trade-record-current
7 c- Y& `: F& f4 L(replace-item 3 trade-record-current note)% f8 Z- i! U- [, Z# @
) n# ?8 c0 F2 K) ?& s7 l/ s& e
1 I' {$ ]3 R vask customer [
1 w% A% I3 C, v5 ]* ]" k! Lupdate-local-reputation
4 t3 c4 F3 g/ a( Q6 ?set trade-record-current
7 o8 |8 M2 \+ i( @& G, o( o(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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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)): p1 ]0 c. I! [& T3 L
;;将此次交易的记录加入到customer的trade-record-all中
$ l1 \ C* Y4 u- J, mend
9 @: {: i- p: h% U9 U# j; F, l4 M! i* n. Z, U, X
to update-local-reputation
" g# ]3 `5 F8 g9 o* Qset [trade-record-one-len] of myself length [trade-record-one] of myself# Y$ M" F( R J! F+ L ^0 W; E
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;;if [trade-record-one-len] of myself > 3
" `) W5 `# `( v. B2 nupdate-neighbor-total6 |- m: p9 p3 X( U# U* [
;;更新邻居节点的数目,在此进行" M/ X, e+ ~* o5 E+ u
let i 3/ S9 u' e8 M; F; T- ]) e! k9 Z
let sum-time 0
1 P2 c* ?) j, l4 T, Bwhile[i < [trade-record-one-len] of myself]
/ j2 x. R$ s' P0 X7 r/ Y' ^[
6 }$ Q8 G& T' {" [+ ?) kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# k Y9 n1 B0 ?& n, o( `set i( Q* j: K( ?' x# Z) n
( i + 1)
% M" Q# V" z( b& v2 }8 o]
8 s. M( x7 J2 I: X Mlet j 3% L! M$ T @. C. I
let sum-money 0
8 X- q; ?, G, V+ Jwhile[j < [trade-record-one-len] of myself]) Y: q A- |/ Z
[6 ^) C" }4 K! W9 A q8 S/ N4 f$ T' }
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)
" y O5 q [7 g+ J) aset j
+ k4 n: M4 E( E0 t' h( j + 1)0 j6 [8 ]/ H. \2 C1 y( P+ b
]8 ^; [" o) ]7 r3 ~" E; w. s
let k 3 e2 c$ H( Q/ E* z6 H# m
let power 0& t3 w: l3 u/ Y# h3 B7 g6 i
let local 0
# u: S% U; U( ?+ a- s/ I- Xwhile [k <[trade-record-one-len] of myself]: a3 \$ m, E! Y, ]: K: h9 w' i
[ w! g6 x9 ?2 q' w6 z
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)
% I" N5 ?; Q2 O3 ], E0 ]* J$ `set k (k + 1)
6 t/ i2 r5 a, u4 {: \& ^]8 ?5 Y0 I$ ]2 {6 h* R5 F" C
set [local-reputation] of myself (local)* E1 [- ^7 _9 O2 Q+ |2 g
end* H; Z& p7 D- e1 g
6 G& S* ^# \" Eto update-neighbor-total( N/ p3 k5 Q! J5 e W, c7 }% }) w
' M7 U) G. q+ x0 o) c7 y- r9 [; pif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ A; J3 r. ^1 J: G
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0 m+ c' M: K: h1 i( s* A2 rend! C9 J' K4 w- I% u) K
9 F9 r* T3 y' ito update-credibility-ijl # S, a: n$ V j2 M- L8 p2 g4 D
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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。' J' t+ [" d4 r& s5 e6 ?8 Q
let l 09 ^, M1 I0 W2 ^" a4 m+ F" h
while[ l < people ]1 [2 |6 t- V( N; t5 Q6 W
;;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
( c9 J6 N; U: [. n. Y, n) j9 l[
* j% D/ Z, T3 t" Glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 ]4 J2 [1 d5 L% E, ^' N: Uif (trade-record-one-j-l-len > 3)+ X5 G u4 r1 s' 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, A, j& C/ V3 P- c9 f6 f
let i 3
4 Y g* F4 d, p: ~( \ o, _3 glet sum-time 0. Z$ |, B% y- _, w+ Q. `
while[i < trade-record-one-len]/ m Q/ I! a1 C! J2 ~9 e. L4 S
[
[( {! {8 c0 H; z1 T' M) O+ Cset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# j& Y# E3 K" e9 L% f2 |: Yset i
" j) U" h2 _/ v- ^* n% H, r# l( i + 1)
2 c Y+ d8 L! r- z: s. []$ \# H! e1 l$ B) x0 e
let credibility-i-j-l 0
- H- x) B' ~ g9 u;;i评价(j对jl的评价)
8 D5 q; \: R( E, a9 T2 W$ f) W qlet j 32 h! ~- X( z6 G& U
let k 4. Z& d$ X+ v0 [
while[j < trade-record-one-len]
: X0 k# W4 m5 P. ]* o6 C[
" P( J7 b5 \% Y W& q+ Dwhile [((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- u6 h/ r# ?$ I
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)
8 r8 C, c# S; Q1 a5 M% aset j
8 R& `* }' w0 C4 \. p( j + 1)
% |: y: O5 ]2 x7 x3 U]* g* D m3 |* N# c0 a1 \# `
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 ))$ E- P* M/ f9 E$ P J
; q1 d% }4 x8 a5 ]8 F3 D) E5 N! l8 v! U$ z. P. n- @( [
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))* n3 t& {: x$ ]% f; U/ H: m* ^
;;及时更新i对l的评价质量的评价
/ K1 o/ h8 X- S9 l- ]set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
5 P1 i3 s p5 V$ V$ @' [; kset l (l + 1)7 b7 R5 C" c4 ^0 H5 v5 O- ]
]
0 Y( w) ^( g. ^end% X1 g' i8 J* q" p2 }
+ y; y5 T, {: d' U7 `
to update-credibility-list0 G- f) D1 L- u
let i 0
y7 u' k6 e; d* R* }9 Pwhile[i < people]
3 M, p$ s, q8 v0 ], G; D[: L( L v2 c. z, Z
let j 0
T# e7 i: ~9 U" i6 i. v w0 ~let note 0
/ @4 V* p4 D, s8 jlet k 00 W; c! u( J+ q0 D* A
;;计作出过评价的邻居节点的数目, w y( ~4 p7 U+ c% `, X4 E. r" D9 P
while[j < people]& c; I7 f! n2 ?& a" K2 F; e
[4 V5 E; Z& A7 ]# _# d# m) z
if (item j( [credibility] of turtle (i + 1)) != -1)* J" J2 y9 V) g
;;判断是否给本turtle的评价质量做出过评价的节点. p3 h5 [6 z1 c0 f6 A
[set note (note + item j ([credibility]of turtle (i + 1)))1 p( L% T* w4 |. y, F
;;*(exp (-(people - 2)))/(people - 2))]
+ c$ b* z: ?; F5 W: n; e0 u3 _ Kset k (k + 1)
/ Y# s* J( N4 m c]
3 p7 Y& \0 P/ G! B5 x5 b! C/ lset j (j + 1); O& {! ^% X4 ^! r
]
{" S3 n% u! r/ G0 q+ nset note (note *(exp (- (1 / k)))/ k)
& Q; O% g: ~% Y5 c7 U4 @. G+ v1 Sset credibility-list (replace-item i credibility-list note)
; r0 ? s7 m4 ?+ E2 kset i (i + 1)
' W: Y0 ^( a6 b O& U: O J7 r]% _! D* w/ V3 o D9 g
end
! D' W, o. z3 X1 T( ~
7 s. Y5 m4 E/ h7 _) l0 fto update-global-reputation-list" L+ t; L' x6 T0 ?
let j 00 U7 \8 J4 z" z, c6 C8 K" x
while[j < people] S6 V! N0 B1 B0 `! h
[
9 d8 f& \! P, k. {) {6 ~: n$ j9 Hlet new 03 Q. m/ p8 v- H7 z4 C- M/ p9 B3 o# T
;;暂存新的一个全局声誉8 j$ x3 V7 k* Z8 P
let i 0
$ m$ Q/ Y& f4 |* e( O" G4 wlet sum-money 0
$ v% }* ]7 Y+ u) i0 r" xlet credibility-money 0
J& P& F/ Q1 t6 S) hwhile [i < people]# B! C- O) }7 h( P+ I
[
4 z' T5 ^' K% N0 Oset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, T" x: H9 a6 N. r1 Pset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))) G) x- c# H5 Z
set i (i + 1)" U- h, Z* y' H; U4 y/ {& w
]6 ]$ Y1 ^3 I' C t+ A# s3 g3 c
let k 0
% q- f/ W3 t- Tlet new1 0
4 ^. ?: f3 y& ?6 `" e) H1 ywhile [k < people]
! m5 g6 K0 c( G3 L/ V[# o) `' g4 S8 D' y! r5 _
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)" m1 n+ c [5 n$ h
set k (k + 1)
i, j- M; E$ n \]
" h, v# I9 \3 g1 n [% mset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 8 U) B- E% p% y/ T0 L
set global-reputation-list (replace-item j global-reputation-list new)+ |. p; h0 D! A8 J5 n; M
set j (j + 1)& n& l! i5 I! N9 n& [
]$ u6 O0 k" \( V! x# p; [' O! f+ K
end
: `' p% I1 P! ~0 T4 N# l5 R+ y8 `5 J" a$ W! L
; B: O( m5 O0 ?0 T
1 T1 F( _+ i/ C B* Zto get-color1 p) s3 T9 l; z% d9 O
, O# |8 S+ G% X& o q; N+ e
set color blue
/ K5 Q+ w3 t g3 H9 G+ ?# nend6 L6 U$ T d% v( K# F8 z% Q) K
% Y a: O8 @7 o( Y5 Y t+ Mto poll-class% T* a0 Y; g6 u6 ~" k% q. f2 n
end+ @& e8 I8 K, e+ i+ U
8 E# k# X% ?) d8 b cto setup-plot1
2 e+ P$ }1 {5 f/ ~8 u
6 C4 \5 w f; ?) h2 M0 mset-current-plot "Trends-of-Local-reputation"
0 l& U; r' a9 l
" }# N# n1 H9 v2 e& ]" Iset-plot-x-range 0 xmax! |7 \5 T+ R. c ^) E& j9 V, A
5 z$ s6 N) e8 Eset-plot-y-range 0.0 ymax
9 w- Q0 T( V* a+ Xend
! j3 y* K7 G- H6 O9 U! @& h; x2 n& R0 t( q; |) N( B" u
to setup-plot2
6 C% P# A `8 d$ N- b$ R3 x D) r7 ~
set-current-plot "Trends-of-global-reputation"
( S+ I( t( o$ _6 m4 S
3 R) `+ v( _) O' W# Uset-plot-x-range 0 xmax. _3 }# c. p8 M" Z! c G5 i- F
* p g% H; N3 e" w& f& d9 Fset-plot-y-range 0.0 ymax
" F9 y' e) @7 K( M- Nend" |5 T9 F" y9 `" K$ `/ e5 v
8 u' X/ O! j* s4 h$ u: ito setup-plot3" a M' D6 T& k) r. x2 f. u- j
g4 E2 e t; q1 }2 G
set-current-plot "Trends-of-credibility"
d/ z4 g( U( x% x2 w$ k* B
, c/ ]3 a3 p( x* @ B5 uset-plot-x-range 0 xmax) z# y! k: W3 E9 q) K, v
* m; Z( E2 f* d) i8 C! h/ b( f2 Dset-plot-y-range 0.0 ymax
) N2 h) H, s8 s7 i# X* |end, I; [9 t; y9 g" K' ]4 T
! i9 S1 ~% L% J* W# E9 ]4 u& G
to do-plots
1 {7 z( r. Q" J3 K4 Fset-current-plot "Trends-of-Local-reputation"
) O4 X5 w2 z2 b y3 Bset-current-plot-pen "Honest service"
! Y# E, `/ `$ J$ Dend
; Z R, M8 `8 N z. L, Z; a6 z, L; ?" Q$ w0 Q
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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