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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
+ Q5 I1 W& `: u/ kglobals[
3 k3 U' I2 @. V, I( u( ?1 E3 S' Gxmax
4 C; \( a7 R+ g- ]ymax. B5 K) M/ T6 j" ]5 I
global-reputation-list8 y- F% X1 e2 D4 I. }" L2 @
) ^4 P" ?( f2 q; @9 n;;每一个turtle的全局声誉都存在此LIST中3 N. n% k2 ]; \& L
credibility-list
9 _. W6 h& A% A! c3 u;;每一个turtle的评价可信度
1 Q/ s2 ], r. P D2 s; u5 @( Mhonest-service- K5 C; Y& S& e$ r3 S6 L1 C
unhonest-service! }& [! Q$ G) m" ^" P
oscillation
5 b4 z3 R0 @. ?$ I+ Z3 t6 |rand-dynamic
) U3 M% r: q O- {2 j' P]
6 N" F6 _! g& G J2 P
- x* q% T# d9 e& f6 Tturtles-own[& |6 s# U; w q9 p( ]$ e
trade-record-all
& `! a) v$ e E;;a list of lists,由trade-record-one组成2 A8 N2 K' `6 m5 Q7 W7 q9 a, J
trade-record-one
( T+ ^( w Y; z* y e9 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' z0 V9 x! t( c. [6 `" \ u
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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]]
2 i: L6 a0 i4 u. Q( W( mtrade-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]
$ V' I" T5 T. A5 b/ N' Z% Z, dcredibility-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list6 `, I# O: a2 p$ T( G) V0 X
neighbor-total
5 k" T* l" q4 K S7 ^; o' f! Z/ [;;记录该turtle的邻居节点的数目
6 o' u1 l+ z0 i5 \trade-time O+ T) y# j3 H; v% ^, F
;;当前发生交易的turtle的交易时间8 T o9 T: q' e( ^2 ]
appraise-give5 I: ~; U/ _! I
;;当前发生交易时给出的评价
! m3 |6 A) F9 p) j3 S4 S% qappraise-receive
' |6 p0 o/ l3 S5 Z) z;;当前发生交易时收到的评价) F5 b7 @: v; H6 D+ d# z! m; T+ n
appraise-time/ A8 D9 f5 C1 A1 N4 w
;;当前发生交易时的评价时间
, m! D+ D- e9 o0 w3 Vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉; v) K1 c0 [. b( E2 {: h9 F
trade-times-total
# H j8 P% p) K;;与当前turtle的交易总次数: p5 `* f0 S) o
trade-money-total( ~) r# W6 X; G: v8 o
;;与当前turtle的交易总金额
( o* N3 D/ K, C6 Z+ O+ Ylocal-reputation
5 V8 _! Y( ^6 w+ W1 `global-reputation q! {) _8 I- w9 X/ c, h
credibility! A% x4 I* q5 z; ]
;;评价可信度,每次交易后都需要更新
9 ?& E/ z I# Z8 j. v- l* @credibility-all- l) D2 e# M2 z9 W: 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
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+ m3 u0 j% ]2 D$ F" 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 V# d' P! b0 v& q: ~# hcredibility-one. L4 n9 ] s! B1 y `0 R1 i4 c
;;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 |6 i: w* L% x
global-proportion2 x+ g$ D7 W% j( r$ l
customer& k: P1 ?8 h7 p9 D9 j, J
customer-no
/ Q* W' b, _1 Z$ t d% \' x# i0 Ktrust-ok
& D, L) P+ A8 L7 a8 T( R6 otrade-record-one-len;;trade-record-one的长度
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- u9 i8 q; u: x
# ?# d$ J5 g5 H* S9 a% N( ~. Q, b;;setup procedure
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to setup
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ca
% |2 u' B; f; p9 }5 j
& M# y3 v( Q" Y4 W: _; Cinitialize-settings
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crt people [setup-turtles]
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8 V4 I6 r+ R8 Dreset-timer
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1 ]1 B! R: }$ I( G6 K* upoll-class
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setup-plots
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do-plots& {" _, ~9 d- q% N* C
end; r# C/ B! \$ g6 V" b! P- @
5 p0 l+ a( m* `# N) f8 Cto initialize-settings
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/ G7 H4 z. j2 q, nset global-reputation-list []
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# M0 }5 I6 D8 Uset credibility-list n-values people [0.5]
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2 n; {& {" _6 Y: A0 j4 wset honest-service 0
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set unhonest-service 0
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set oscillation 0
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set rand-dynamic 0
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to setup-turtles 5 @# w% I S% G
set shape "person"
( K! x% G" F0 @" e$ Y1 Nsetxy random-xcor random-ycor$ S1 L2 y) u% ~( ^2 u2 j2 S5 b5 [
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)] , g, m9 Y3 g, j3 ~; X& V
7 F/ W" T7 l( r Oset trade-record-current []1 c% A/ ?3 j% s" k( u( v
set credibility-receive []
3 ~' H; E) R: eset local-reputation 0.5
) c: Z/ t9 W/ X% Q$ `" z; Fset neighbor-total 0* s6 A0 p1 x7 |
set trade-times-total 0
' k% |$ X8 H1 Cset trade-money-total 0
9 \0 ` ~ {9 N& c* _& y, bset customer nobody' Y8 X( d3 W) _5 ^3 d* ~
set credibility-all n-values people [creat-credibility]! x6 R' _) o, t [, _- A/ {" H V
set credibility n-values people [-1]: {5 G& Y q& b, p! n
get-color4 E; w+ A4 X% z1 S( P
5 G& J% c, a5 [1 y6 `' F. L3 G# Q* zend* s% \. m2 p( B, O; r8 ?
# S. B9 r; j8 N0 Pto-report creat-credibility) i7 L1 | q) v7 u* P4 w
report n-values people [0.5], |+ V5 I, f! F `: `, _4 V
end
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to setup-plots
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set xmax 30
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7 c" \; }( R/ y: Lset ymax 1.0* i8 q- @, V! C: f& F
. p7 T1 _( `- U) S. Uclear-all-plots
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3 q- T! Y) g( {setup-plot1
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% g4 o1 I9 c0 d9 A2 {setup-plot2
% {- v: K1 {& m0 B/ C$ K! n* c" v2 b# g" O9 Y" [+ p! K8 m
setup-plot3( O6 f% \$ k1 m4 v+ t3 Y5 U1 {
end/ Q7 A4 ^5 ~4 P$ c8 T
/ {1 s" d% C" @* a6 Q3 i;;run time procedures; B' H3 `: P* }0 @
: [$ X3 ?) ^) ]! s, s7 M
to go
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; W) p, i' k; y# h2 U/ a6 ]; yask turtles [do-business]/ {! J9 e+ w0 N3 l2 f* y8 Q
end
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to do-business $ g5 Y- T8 ^, z
+ R( Y4 W1 q2 T$ @- a% k. Z
$ [0 K, M' u9 N) X7 S! Q* ~/ nrt random 360* A! }, S% |+ g4 u- k
* Z! \4 [4 z& Lfd 14 B( G, s1 \; t3 W
! w0 _$ ]/ u, [1 I
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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( x9 d' ?" D" D% t4 P;; set [customer] of customer myself
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9 [9 r! _% Y" J) A2 uset [trade-record-one] of self item (([who] of customer) - 1)! h3 E7 u) y6 P5 \- V4 z2 |
[trade-record-all]of self
. a/ R+ {, N I9 a6 \4 o7 v: L5 };;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
7 p; q. R5 R1 ]; t4 s* K
2 m# I u9 ]) b! |. @set [trade-record-one] of customer item (([who] of self) - 1): k/ s8 W; q5 h% O8 v
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self$ ]+ y5 H+ m9 R, J) P1 S( E9 k
, G" Y9 |3 K/ p" m# a0 ], E4 C9 dset trade-record-current( list (timer) (random money-upper-limit))
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& S& s3 h0 [& D: kask self [do-trust]
3 m8 Y1 \# K& N. C+ o& B1 _;;先求i对j的信任度
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* B3 K( t# T, Y2 d) Y7 }0 Mif ([trust-ok] of self)# a) @2 {- I3 j' n$ ~$ M( q p3 k
;;根据i对j的信任度来决定是否与j进行交易[
O) `+ c, p9 A& l7 pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself, `8 j+ Z) W; u7 g
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[' c% x" N! Z* V4 w+ h; ~
# o& N8 T3 F' p& u; R/ _
do-trade
: @: Y" w% D r9 T4 a3 c7 E
0 l& w/ Q% C4 J4 y* U5 T8 wupdate-credibility-ijl& X0 E: l0 k/ u% v
' S0 y3 i9 Z7 ~, l7 d* i6 Y# g; Iupdate-credibility-list
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update-global-reputation-list; f% A. D) F/ F& n
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poll-class6 T H" R, g. R; a+ m
( M( B( ^! H+ K0 F; Q! |
get-color
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]]2 g. A9 J5 c( _. v8 B- C
2 l/ }( \4 H2 }$ m, u) U, N;;如果所得的信任度满足条件,则进行交易
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[) S. [& O5 ]/ @; O# k1 {
# y- h( P( M$ B s/ N& Ort random 360- x3 l) \* ^) ~# ^3 v$ ]! ~
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fd 18 V3 D5 z' D6 _+ F& A$ V
8 v1 n- Y( Q4 I]
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, J6 Y$ M h$ X5 L0 e: M! B5 Vend9 U* U$ U0 L$ S
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to do-trust
; T) m h: [3 y0 n' G2 N4 Rset trust-ok False
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let max-trade-times 0
: B. n; f% S* d2 r5 I& tforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
9 I5 d! m m, U2 K) D: a) W* d4 ?let max-trade-money 0. e$ [) G5 n2 k# l$ d8 U3 F
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
9 Q0 V$ q# {1 R5 l" c2 [let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))! j: B. q! I0 P; j1 [! O
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get-global-proportion
7 ?' l( Q: a- U* y! v2 _$ Klet trust-value8 t: R7 P* L2 H0 B8 I5 U( l0 S, F
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)% r3 F$ E, F* y. A+ v
if(trust-value > trade-trust-value)5 Y) F( X5 ~" k' G" I
[set trust-ok true]
1 \6 b1 n# Z j$ t. ^3 }end c& `* b; F& Q' I q
$ W9 u, c/ h# G- |- K ]# O. k0 W3 wto get-global-proportion
7 b% h$ m8 G5 H, o( N9 iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)( L" |- W' {5 [! I0 V; |* t
[set global-proportion 0]5 O3 K, N* ]/ W1 H7 }- N& }
[let i 05 ~- x% h& P7 o }' r; {
let sum-money 04 t$ e- z9 w; c0 v* H. U. s7 m
while[ i < people]
% T. Y# T, a: X, a[
3 i8 O f# b9 V( Lif( length (item i5 p4 r, E0 Z) p. `6 ?4 a
[trade-record-all] of customer) > 3 )
4 a: _7 M2 T! N' s6 F6 p. x[
8 ]1 t, Q" g P" K. z# [" M$ h& B: z0 @set sum-money (sum-money + item 2(item i [trade-record-all] of myself))' H* v; h! c' Y' t
]+ o! I3 B/ D' Y+ U& b
]1 V! y! O/ T& q/ B% T: S
let j 0
: W& F* U0 P( B' m9 [) A" m5 }let note 00 g9 v% J* ^! D4 U
while[ j < people]8 T M% I7 X t e3 z/ [
[( M4 X4 u$ e, J; C( U& P
if( length (item i) b+ `8 D- I+ [) ~$ o' E
[trade-record-all] of customer) > 3 ), n% s, v1 a" K5 u, m
[/ n+ Q1 O8 L0 @! @
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 P; {, D; K M7 p
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
$ D+ o( i: _" `7 r0 w[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
b4 Y2 X! U I% ^0 a6 `% k]! l. V I2 y" e9 T
]+ Z5 \( Q% A/ Q; Z1 V
set global-proportion note
# g6 x- w4 f' Y, A& W0 Y]0 ^; Y% i6 o! x! w, q, }- R
end2 n8 Q) N R9 s: q
* x8 \; z6 _+ L% k- y4 g* Y, Fto do-trade
. O k+ y) f7 E- _, r! ~;;这个过程实际上是给双方作出评价的过程
4 h+ [" M% w& i0 pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
' r3 B2 ^5 o5 Z* xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
, B7 u. L1 K, yset trade-record-current lput(timer) trade-record-current
/ s. Z* k4 H; d- y$ h/ a- d/ s;;评价时间
6 P; R: x/ F/ Q& bask myself [
" j5 e; u8 k$ @- m& a- [update-local-reputation9 K- e. J3 ?+ {1 x+ o( n* h6 f6 S
set trade-record-current lput([local-reputation] of myself) trade-record-current" \) ^7 L" t) {" P' ]8 |
]
7 u3 n5 a' a5 q6 Qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 ^# U; x0 p* m- a
;;将此次交易的记录加入到trade-record-one中
4 u. X" i5 H- b7 Tset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 D; ?9 P# b x: G) M: w k
let note (item 2 trade-record-current )
) Z5 X; W& D, K' Z* u4 Cset trade-record-current- | @1 W6 S6 G3 `" \9 W
(replace-item 2 trade-record-current (item 3 trade-record-current))( u p; e' h' U1 K- d
set trade-record-current' p5 r- t5 V2 [6 t" {% q, b5 a
(replace-item 3 trade-record-current note)! l; M, U' X5 F6 k) @. n
3 s1 ~/ t* J* P/ G) J
3 Z7 A- h/ V" t$ |: V- j3 Vask customer [5 b" Y, C- o- T- Z* }
update-local-reputation9 s, Z0 ^8 @: S$ `- V1 ~. j
set trade-record-current9 g+ Q; D: X! u4 Y9 J; c i, m$ Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
# C$ C, n$ t, ~ F2 m0 k]! {" d ]1 S# y" d# X: y
5 @/ S" C+ Y# H; m
% E; x: {. J$ Dset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
p+ O Y: z' z
/ U1 \1 L+ W7 k ? g" N# Oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 ?( S+ a4 l5 t3 s/ p5 n# s
;;将此次交易的记录加入到customer的trade-record-all中
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to update-local-reputation
$ @ W. {# h9 f3 s1 r; z) Kset [trade-record-one-len] of myself length [trade-record-one] of myself
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( g+ o4 u. p0 q+ t+ @6 T6 O& e# H1 r! y+ }. Y( {, c' L6 z6 Y0 L5 X8 o
;;if [trade-record-one-len] of myself > 3
" l- p2 [+ `% k% ~update-neighbor-total
9 `+ R p# c0 j+ ], W) C7 P$ o, ]. F;;更新邻居节点的数目,在此进行
& k" J4 x; \- Y7 ?' J" y6 H$ G4 _let i 37 b; s5 o ~ x o
let sum-time 0" d9 o& ]8 }% @. O2 k- o0 H
while[i < [trade-record-one-len] of myself]
/ z4 j# u0 @ x0 |[
" D6 g+ s9 W1 v+ j( Aset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )6 R' j) D* T+ a7 c
set i5 [* }5 [; ]* d8 h- _6 B+ i- X3 c
( i + 1)
# N/ i" L s% |4 _, {0 a; L7 g9 ^]& i* _. O9 b0 K% B
let j 3
# D* T$ q* Y( I3 E" S3 B& x+ P' mlet sum-money 0
. y- `8 {$ {' Cwhile[j < [trade-record-one-len] of myself]
( J7 ]$ O' m f. z- g$ |6 V, E2 e[
) g* b b8 I. sset 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 J. S/ j* T, Mset j1 F8 u; `! @7 q. l3 r7 {' m( G* ]
( j + 1)3 G" n$ D+ k4 @1 a( W! m
]% @5 j$ P8 l: w0 E' T, h4 }
let k 3
2 T3 j$ X7 Q; x0 alet power 04 |" |4 q( h. D4 p
let local 04 r0 h, T) c6 s
while [k <[trade-record-one-len] of myself]) j+ g8 `: R" ~0 ]$ p3 ?
[
+ T s6 l- q; W8 |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)
& q D, I9 S' f( lset k (k + 1)
) i* D3 {, P1 n' U K$ T]
, s+ ?* R% I9 Y9 Hset [local-reputation] of myself (local)9 Y- A; W, f# \# A; c/ k( e
end
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( V8 i; q* m o, Rto update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] U5 s0 ?/ l* D/ T# W0 ^5 b2 `; u
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v$ U+ D" ?- ^
end) x. ?- r4 e: e/ S# X7 G4 ]
. I+ f& ^8 V8 @: X7 v
to update-credibility-ijl - s' y. b) h( \6 l f9 P1 i. o2 J
% B+ w; u' b" s( Y# `/ a;;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。5 [8 }2 |# M/ ]4 j. v6 }. j' m3 {- s
let l 0: y3 ]+ i; p9 N( g7 ~' W
while[ l < people ]
, P" C$ E v/ t6 E2 R;;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
4 t& b' \/ L3 m, ^- Q e[6 e6 @4 }; p- Y" O; {
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 o' d1 Y6 l8 S' Bif (trade-record-one-j-l-len > 3)7 ~" c' o1 E5 j- u. f+ K
[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-one1 X7 x0 w5 a. }
let i 3
7 a, N' C4 `; W- N5 W3 qlet sum-time 0
1 k% C/ U7 a6 P0 O7 @: U; a6 Ywhile[i < trade-record-one-len]' @% g9 l2 J9 Y* X: e: L2 k/ J: l, ~6 L
[$ J( _) z( d' L3 g( z, [
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% R1 Z$ _' T/ ?1 cset i
+ S% h1 N3 z' a# f* j( i + 1)6 j2 Z: o i0 c5 [7 k
]
. o, i1 ~3 m. u$ xlet credibility-i-j-l 0
! D7 T: i/ z6 B& z4 r' M;;i评价(j对jl的评价)' Z3 Y$ f8 K5 s. ~
let j 3
" D- i7 r N, p3 ] n: @let k 4' x* r+ j/ G# g5 m
while[j < trade-record-one-len] b& d6 A% w2 K
[$ Z6 B7 j/ _, a, O
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
+ O& ^! b( B& O1 Tset 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)/ I- [0 y" l; S' K7 n6 s2 E8 e
set j
1 D4 x4 N- L) X1 S8 ]( j + 1)
1 e+ b$ T+ M& x) I/ [# \# O]/ K8 j2 L0 e& A' s7 |+ _; p
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 ))
0 g5 z! c) g4 K) S, C: ^ K$ v9 ~! E' n* t7 U' {' Q, S
# h7 @5 g5 N6 w/ P% L. Dlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ y7 {) Y; c3 r9 G
;;及时更新i对l的评价质量的评价
3 ]0 n( v/ B9 }; E) M- |3 D7 pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 j2 A* d4 p. R$ a* f8 K
set l (l + 1)
% ]9 y# A* `% m2 d]. g2 l5 P9 {. [9 m" P7 M
end+ C4 A' M7 r. q$ s7 J* _7 C
' B) O7 e, d) Ato update-credibility-list
+ a1 z. f7 O Q; m% plet i 0$ c, w% D: u y. r# q, F' w
while[i < people]* V' e! I! }7 c% u
[
* E1 x4 u* N% l/ Mlet j 0
! k" q# `. y K) f4 f! Dlet note 0
M, \3 z9 V; K1 h9 qlet k 06 ^* \6 |5 x( I
;;计作出过评价的邻居节点的数目) c: N* _) k7 f# o/ z
while[j < people]
* {$ L D9 x( L; c[
) o! H2 c! ?* [; ~ U, \if (item j( [credibility] of turtle (i + 1)) != -1)
$ C% l) d: `0 l3 c;;判断是否给本turtle的评价质量做出过评价的节点
3 M; R6 j7 L; V[set note (note + item j ([credibility]of turtle (i + 1)))1 C' k$ w- B9 y; Z2 e% N
;;*(exp (-(people - 2)))/(people - 2))]
" n2 R. ^% s5 ~7 ~1 [" Zset k (k + 1)
, O3 }% H% O* Z]
) B" } \4 D- Eset j (j + 1)
! }; z( L! n2 B2 ~$ D] g' k) ]" g6 C* I0 h- j3 t9 @
set note (note *(exp (- (1 / k)))/ k)
8 R4 P! l# O9 O% ]set credibility-list (replace-item i credibility-list note)
+ a5 z5 q1 t9 }' @9 q+ uset i (i + 1). S+ Q% O/ p. C) v2 R. O, E
]
! f! p1 k( o& ?end( E" g1 R i; Q* L
: s/ N$ \* L. J( ^1 A
to update-global-reputation-list
1 q% ~* g6 U& w; {8 y2 s( mlet j 0, f' a9 V5 \9 [2 y( R6 m Y2 N8 S
while[j < people] v3 K% ]$ S8 {% m3 M) Q
[
0 P6 Y' m) X. V" {% v1 Glet new 0
0 i- M# P6 f5 K;;暂存新的一个全局声誉+ j7 v! ~! [4 l( [ u
let i 0( f* x9 a$ K7 a) O
let sum-money 0
3 w; Z! e. Q/ Vlet credibility-money 0
0 A e- c+ N$ @" ]/ D# L2 \$ cwhile [i < people]
# { `4 H1 \# B) f }1 q[' P: |1 T. n" d5 }1 ?! z
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 W8 D1 D+ R* ?* c/ z0 e# N
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)) o1 `$ h4 ^2 M' C7 W
set i (i + 1)
& s7 n w" F6 R; F `% I( W]
- \2 h; Z2 l9 `' d" k! {; M! D! Jlet k 0
2 R9 x$ a0 v/ d: U4 x& K! ^let new1 0) T0 D+ c$ v& W8 R
while [k < people]
) Z( `- D' y! P$ O( Q1 i* V5 ^+ z# R[
( j- Y) S1 s) _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)
6 Q1 X' m, f7 X' Vset k (k + 1)
6 n" {( G q( V$ O0 J% ]]
6 c W' E4 C0 T7 b' f0 v0 h% Xset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) / P, X0 t6 S1 _0 W+ `) }
set global-reputation-list (replace-item j global-reputation-list new)
1 @1 D3 ^- |7 o4 g& R. E. t8 lset j (j + 1)
3 ?; h/ ^' n! ]/ i]+ x* k, M0 C$ Z5 w) [9 f8 M4 Z- x% k- k
end# P* Z' M( k# x' \" s( d
0 [4 k/ @# Q. M, ^; F$ U
- E! C7 N2 \( a6 A, E% h% Q1 x! V# u% C# s! J
to get-color5 k0 e0 x! p$ Q2 @1 g1 ]
1 \ n- w/ j( _set color blue* \! Z! {: u! e+ k( ~. m' v$ G
end
6 U' v- W& G' Z; _4 v; R% N* C, k# _2 {& n4 S! Q
to poll-class7 |: B$ Q! @3 l! r0 m- }1 j
end. C3 X4 B- Z+ _ B. V" A+ r0 Z
; C; D# ] g& s7 w% @7 dto setup-plot1* h$ ~1 M4 v- w. K& {( T
. P! @# r5 q J
set-current-plot "Trends-of-Local-reputation"( R+ ]$ @' }% B! g: H
" T3 I/ b# [7 l% V8 {" l( Q4 `2 L" W
set-plot-x-range 0 xmax3 `4 ^( D2 ~- f! r. c- G
% z8 I1 O2 V. i
set-plot-y-range 0.0 ymax
: Z2 M0 \+ f/ x! d( J( ^end
) c. e3 B) u, z5 ^) I' C
- s2 c4 J3 r6 L5 S$ Vto setup-plot2! E) R, k- L' H4 S* W
) N* O* d# M& y# t. s4 o/ ~
set-current-plot "Trends-of-global-reputation"7 n6 j5 G+ I: O% f' T& y6 T# K. g
1 W0 A6 u0 ^2 f0 N( k5 I
set-plot-x-range 0 xmax; ]6 ]) G( ^/ @2 u
* b4 L6 p4 k8 l6 q) Vset-plot-y-range 0.0 ymax
3 _9 A7 Y/ [' I" kend& |8 w0 D! X6 i
. k6 J. x' s( k9 d. @to setup-plot3 \+ J3 ^) H9 K7 Z2 z, i. n, W
$ U6 N5 \. i8 A8 I6 t; B' Aset-current-plot "Trends-of-credibility"- F0 D8 U: X+ T3 K" {4 z) W
* T: M$ x6 |) Qset-plot-x-range 0 xmax: b, U% o' w$ }9 {( k
; T' {5 l. k/ j1 Z$ T6 z, d
set-plot-y-range 0.0 ymax. v H2 V! S# \. Z# I" Z1 u% K4 V
end$ Y+ d! U& d$ E; P+ k
( C/ v# K6 ?% @5 ?
to do-plots
2 Y6 X h/ \# ]! i( g5 ?" wset-current-plot "Trends-of-Local-reputation"
% O$ l9 l' T6 k9 ]" c, s1 J9 g( ?set-current-plot-pen "Honest service"
& |% q9 z! O8 v# qend
5 y' |, L! P) ~5 m" ]: s6 t3 O
; x0 g1 @: H. }& k( B- \# ~% d0 h[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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