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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
+ f. w+ n* ]0 U, mglobals[1 V# [( L- u2 d
xmax
) Q+ g @; p8 Y1 K2 y% W ~& Jymax6 ^% ^4 ?/ j6 D6 _
global-reputation-list0 C- o! [8 J7 Y) O7 K( Q( |$ w, `2 y+ c
( ?. Q# m0 H( W: o! j& `4 E;;每一个turtle的全局声誉都存在此LIST中
& h2 {: o; b1 Gcredibility-list, @! U" S5 }8 [! e
;;每一个turtle的评价可信度) k1 x- g# o$ S7 Z& J% U7 u6 j
honest-service) F/ {0 h$ H* `6 u) A
unhonest-service
% n# g- P2 }- N* G3 yoscillation
& G v$ c6 l7 B7 F" A2 n" i0 Urand-dynamic
2 O7 u& K; R& w% T: _]0 D0 T/ n+ W! r" [4 A) P- v9 C
0 Z7 U/ g! F2 Lturtles-own[ K' b Q* u' I1 G9 l
trade-record-all
: G- m; j0 b' C# W' x;;a list of lists,由trade-record-one组成% k+ |( H) l3 W0 O
trade-record-one A" |. @ G# Y- Q% {: ~
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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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]], A) F, H2 A; Z# P/ H) l. N1 ~
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]
! z2 _" q; {% F/ I1 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
1 `' A; F+ Z T1 fneighbor-total
$ ~9 w4 {% U+ N( j3 P;;记录该turtle的邻居节点的数目- ^5 r" U0 \, t6 d
trade-time
, T) Q( d q+ b, g7 z, q( k;;当前发生交易的turtle的交易时间$ F$ e& a( S" e. H" g
appraise-give) T1 |7 d8 w9 a! U0 p
;;当前发生交易时给出的评价
" c; J" d+ @) ]2 iappraise-receive" T9 S. ]* O- I7 W
;;当前发生交易时收到的评价0 }' j: D+ K. X) r" x
appraise-time
& v0 ~# i5 S: j! k5 v;;当前发生交易时的评价时间$ L/ Z5 V4 G+ f# E$ J
local-reputation-now;;此次交易后相对于对方turtle的局部声誉' m( @5 T" {' t( M1 Q/ _
trade-times-total6 h Q, z/ c1 y2 N, A% e
;;与当前turtle的交易总次数
: m, n; O H4 G vtrade-money-total0 d$ Y/ k) ^4 h8 v
;;与当前turtle的交易总金额
1 C$ ~) Q4 O5 f" s& _local-reputation& z2 F4 N2 m* g2 A
global-reputation5 b) |% g8 f2 r, h8 O
credibility
/ j- P% U1 ?6 ?0 }2 R" G0 t; Y! S;;评价可信度,每次交易后都需要更新- E1 |3 W% w% H' ~" g
credibility-all9 N e' d. X, x( W
;;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 c; S; A0 I9 p9 y+ i4 Ucredibility-one2 E, M: I3 w( G1 }+ s6 @8 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
- H/ _/ X/ {# @' Y- ^) Aglobal-proportion
5 A: R: k& Q; scustomer% h9 ]6 c8 C" d; W
customer-no+ f: r1 A" A1 J9 m" d: D3 O
trust-ok8 V3 o' T( N5 J! ~% _( Z @: s
trade-record-one-len;;trade-record-one的长度/ V5 Y3 e- q% ^- ?2 K
]) L* N; r- @& m s% W8 I" G- O
, }5 Q5 N1 ?% E' b% h) F) P8 };;setup procedure: ?/ ~# L- Z& Q6 Y5 |0 M
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to setup1 [. \8 S& `+ a( o0 m1 J. p
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ca
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8 d% k Q$ A& g3 u% n/ O) vinitialize-settings
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# g1 w7 L9 T! n$ \crt people [setup-turtles]6 q; D+ k$ `9 f& C5 ^1 w) s
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reset-timer$ L0 G1 ?. R. H- e& j; r' a
3 I4 W1 M/ I* `& y9 Rpoll-class# r$ D1 ~1 [4 F; B5 T. d$ U* S1 r8 g
O" T, T: z! h2 [: j" W+ v! ?setup-plots" t8 L7 w6 R, g. R
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do-plots, ^! G$ D( ^# ], o4 \
end
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to initialize-settings
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set global-reputation-list []- Q# e k" B) W/ q& o+ K7 `( I
9 u; _ D. Z2 d, F. w& l* eset credibility-list n-values people [0.5]
$ K, ?6 K9 z! e( x0 O d# I. m* A: t$ Z2 R* O# n9 W& `
set honest-service 0. P2 y( u% {2 N( \& u, |7 h. v4 l
0 H/ Z1 W% w, B H* M
set unhonest-service 0: R! a5 m5 ?2 \' }$ c' c" l
, M2 F$ q o1 N& k& ^set oscillation 0$ h! ~ T o4 [/ ~! c
2 S P% f# Y& ]: d" ]; Zset rand-dynamic 01 G. Q1 N: k% P/ I" O6 i o; t+ W
end
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to setup-turtles
1 P% ]' c: l3 Q* g( jset shape "person"' A/ u9 L7 S+ W' K$ h/ s
setxy random-xcor random-ycor: L9 o6 M1 L9 E2 J! E& v: E+ ~2 d; u
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)] ' K a$ ?4 a) e! I
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set trade-record-current []
4 Z/ D3 L/ |. W, N- Y0 |set credibility-receive []
/ D1 X8 M5 w7 X7 T. }9 tset local-reputation 0.5
; s0 S8 g$ C* @0 M7 sset neighbor-total 0+ L, U4 d6 ^2 A' G8 i# q
set trade-times-total 0
- ?* Y I) w, S- w3 f8 }. D# ]$ {$ q4 cset trade-money-total 0
5 O9 I& j; l* U9 U5 y) _set customer nobody
R% p3 _) O4 s O( kset credibility-all n-values people [creat-credibility]
3 |" Y+ q) A1 D8 J9 Mset credibility n-values people [-1]6 X( ?7 |; x' @
get-color+ ?4 n E1 Y& h% J
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end( F! F( `3 i, ?
# X/ i! f% Y) g' z$ Pto-report creat-credibility
* ` ^0 s% N3 Preport n-values people [0.5]
7 n% U7 O" W3 i: U% @5 X0 send
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to setup-plots
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set xmax 30& ?. Y. n* n& q, ^! o8 J! d
9 L" A! w# D0 s$ S* E v9 Kset ymax 1.0
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clear-all-plots- P( |8 u+ z6 k: c; S8 j
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setup-plot1
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; t6 F# `/ q9 T/ r3 o% G* Msetup-plot2! m& i/ d8 r/ }0 O
* T! p5 G" }# B$ w% }; osetup-plot3
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0 ~& d% G- o7 z+ s% i;;run time procedures! F4 X# L( x! i+ b+ V; B
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to go& |8 p. H7 E0 m2 I" h6 j+ ~- p
H1 _; x8 g( H4 m
ask turtles [do-business]
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to do-business
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9 w# b2 q2 A* }; Z; I% Jrt random 3602 r4 N- ~ q4 e0 R: U# L. s; Y
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fd 1+ v- J0 {/ v' A2 \
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here( B1 b% k# U# U% o/ ?7 x
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)6 t8 j, t0 l6 J8 c' B1 E
[trade-record-all]of self! l7 i4 q: a9 `/ a' _7 ~2 d
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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# |. V3 f* J2 Cset [trade-record-one] of customer item (([who] of self) - 1)
9 p2 d; \1 R( {& t6 y$ K7 M4 `[trade-record-all]of customer3 ?' a) P2 B9 q3 n& \+ w: \
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set [trade-record-one-len] of self length [trade-record-one] of self
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4 E" |& @2 g0 g. M! Fset trade-record-current( list (timer) (random money-upper-limit))7 N; M. y- L; C* g! @' W5 C
+ Y& ]0 _6 X# k1 B- B6 q; M9 |6 Bask self [do-trust]
: g3 G6 Z* ^% G) N+ c& d9 j;;先求i对j的信任度" d) B1 _# T3 L' d# l& E4 H% u' j
, p/ i$ I7 N/ n& Wif ([trust-ok] of self)
# F' @% F: |2 Z; C' x7 ^# Y;;根据i对j的信任度来决定是否与j进行交易[
* R8 y. ]) I* {2 Y% B' Oask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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do-trade; O7 z1 X; |! f/ _+ H, g
* Y6 i5 y/ o- Y: iupdate-credibility-ijl f0 z! O! f4 I* ], L
]" N8 s: I/ H w1 Qupdate-credibility-list1 k. `; ~& `8 m
1 {" m8 M0 m( i' [; ?# d2 q( N; c" d1 C% C Z: F
update-global-reputation-list
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poll-class5 |; D3 n" a/ q
' ?5 y! S; M9 g- rget-color
" k0 e6 L9 L' c1 Y; c, G1 K0 @" h. ?, q
]]
: |$ S# H6 x% o! ^
( X; G3 J( K* Q" H5 E! ];;如果所得的信任度满足条件,则进行交易5 p5 S, s6 b7 A1 U
4 Z e5 A) Y5 Q+ E1 w* e
[
: o+ |/ ~9 K! |: L9 ^# V. {" s* E' h6 D9 w5 j% I
rt random 360! _! f! }9 {" d; y; ^& m4 x( J% [: `; N
5 o: E7 z% H. P7 F
fd 10 ]2 F/ U) l& @) I
% O6 i9 {3 Z/ d3 y# a0 U+ K]
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end" w# t" D$ ~ ^) l! k; s
9 j- N" a3 f) B) N9 k1 u0 Xto do-trust 5 A! ?" N; u% V. E3 z: t* i( v# L
set trust-ok False
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let max-trade-times 08 W: ]; v( v0 H; C) u( W
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
& c' x1 W& d! M' Xlet max-trade-money 06 D% t) A/ H' N7 n4 c2 i; k( @
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
C5 Q0 ]/ Y' v6 T5 zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 B" m- D- \% [9 j- f v e0 D) b1 {' ?! D
7 V) p( ~% J+ {) X7 X; s
get-global-proportion7 y; ~8 \( M- v X
let trust-value% ^9 U% f; S) F: t6 W4 p8 G
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 \( r4 Z1 r6 c* k* X6 u
if(trust-value > trade-trust-value)% d7 y; S* M2 g, K
[set trust-ok true]6 y! E" {- Z) L5 M) K, S) q
end; Z# O5 C( k, U: x5 n4 l$ K
$ c9 c. C) Q1 A9 P7 z& R- p
to get-global-proportion4 |4 W: [9 x* f3 S5 ]9 H) O( W
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& L3 K. n; V. b \$ g4 C5 t4 t[set global-proportion 0]
2 } ]/ W& G' X* ^7 K[let i 0- y/ T, h6 z; N$ J, `7 b; g
let sum-money 07 U) G( [ M' W6 m
while[ i < people]
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% w& T: b1 \ o, Q4 Y! Z6 m1 Rif( length (item i; U% G1 @5 w0 I( n
[trade-record-all] of customer) > 3 )
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& C7 D4 [. r0 Zset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
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4 \! r X- \+ w9 l7 ]" d]
, G& h) d' A" Elet j 0. C; K7 a( s4 H& C% [
let note 0! t6 [3 p3 U) I
while[ j < people]
0 {9 ?3 s! b: |( ?[$ I5 v' D% O1 f
if( length (item i b) j4 n) r- }: h3 \* D
[trade-record-all] of customer) > 3 )
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ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 ^( h& J4 l# z3 x
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ Y1 q: B; J$ r: A+ d0 Q2 p
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
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]
. g/ a2 k1 T) v- O: Oset global-proportion note
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end$ u& B8 W. u( b1 j6 A1 |$ d
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to do-trade
& {3 i: U. Y: Y;;这个过程实际上是给双方作出评价的过程
8 c" ^9 [/ \0 q/ |9 t+ zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
! A3 L2 Q& z3 V- L3 C2 ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
$ E$ F7 i, Z5 O+ |5 T" W D' \set trade-record-current lput(timer) trade-record-current
/ D! F& _, y# C! p9 ]& j;;评价时间, A3 l! N3 }2 S
ask myself [/ Z$ `4 b% P: t* x) [" z( O. [" `
update-local-reputation E; |1 f% V! c a D* E- l$ p
set trade-record-current lput([local-reputation] of myself) trade-record-current
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* ~ ~2 b. b- } _set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 N0 P( {1 |" P1 \% a;;将此次交易的记录加入到trade-record-one中
5 `; D. n7 S3 K7 b9 v4 _8 qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 z3 d; Y1 K0 N9 l! l
let note (item 2 trade-record-current )- ^% h. g" o$ ]) \
set trade-record-current/ u8 q0 x9 N h% h
(replace-item 2 trade-record-current (item 3 trade-record-current))$ X5 L1 @, d7 o' m
set trade-record-current# Y3 i8 s5 ?, |* ]0 t$ A
(replace-item 3 trade-record-current note)$ i- {( X1 j$ f- Y1 J" z5 A
" B8 r5 m' U N9 w6 G p- t2 L5 d; N2 X3 Z( X" }) w* ?7 m2 C+ Z
ask customer [
8 s8 s+ }) @: E: o' S8 p0 D0 Kupdate-local-reputation$ O# ^5 Y4 W1 C! D$ h
set trade-record-current6 b3 A+ @+ P% U t
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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+ X% L, ^$ {$ ^! c, K
8 h) V# k2 s& u$ k2 |/ Sset [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))
6 y- ^: C4 ?6 M$ m3 b8 A9 W1 @;;将此次交易的记录加入到customer的trade-record-all中
. h0 K. W- T' O% l* Uend! ~$ L- B% [- y2 M4 w7 @3 u, O
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to update-local-reputation& e _* c5 }9 D! D6 m- N" X; z9 l
set [trade-record-one-len] of myself length [trade-record-one] of myself
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6 N* B- h* T4 \
3 c- \( E+ }( t;;if [trade-record-one-len] of myself > 3 1 A* x) g) O+ |7 r. M& i4 Q. w# l
update-neighbor-total
6 M J' M. o3 }7 j" `- S;;更新邻居节点的数目,在此进行! u; [* h+ g6 L3 ]( V
let i 3; j; K8 B- t z/ s8 C: |: `) i# w: @
let sum-time 0
! k- e+ O i& Qwhile[i < [trade-record-one-len] of myself]
3 V" [0 c6 U, T: W3 l+ u[
; g% l" c; X! tset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )5 \' C! L7 D2 q7 ~$ }4 B8 C
set i
/ E- y8 q( m- O8 _2 F( i + 1)
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let j 3
}9 C$ q$ p# z, u6 ^let sum-money 0
7 W, x& w' N# y* Pwhile[j < [trade-record-one-len] of myself]
5 o# |( Y& v) r9 u[
* _4 j% h% t$ E1 L; _+ h, gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
3 e3 u# h4 b. \ v1 i7 Q- [- ]& R# zset j
, W9 e9 i) p. A( j + 1)& J: e* c! d p" r
]: b" N- U; w: X
let k 3$ N% P% A: B9 x, w7 f7 k7 y
let power 0; x5 }) R( n: u! G! s( ?9 `( _
let local 0
' n4 f- d3 E$ u' v$ @while [k <[trade-record-one-len] of myself]+ W. P$ P( w* A) M
[
0 u6 o" d! J' Uset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) # F, U9 ]' q# A3 J4 d
set k (k + 1)/ q; a6 m6 W* o9 `9 e# r/ a
]5 o% W0 F) T" |5 \9 z& g
set [local-reputation] of myself (local)' N5 u5 s3 b1 Y) N( \) N6 G6 x
end
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to update-neighbor-total% c/ r) u2 n0 m3 W+ \4 L1 B
; \7 {# H o6 _" l$ sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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7 ^5 o. y2 V9 @4 x" }9 R9 }0 S% Y5 S1 ?7 D: [& g- e8 R( V5 g1 c9 C
end
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to update-credibility-ijl ; H! ~) r& X1 K+ p. J/ x) V# S
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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。- ~% ~2 t4 u$ ]4 T, Z G' E
let l 0' i* |3 e9 V8 z0 i) K4 n
while[ l < people ]$ |( P; A; N6 }) r* V! ^
;;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1 {5 w" m0 ~9 e+ O7 O
[
7 j4 N* _ W1 W2 A" Tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ C" d( |" { w9 @: B
if (trade-record-one-j-l-len > 3)
4 O0 v; F6 S- R% ?& M) l) O+ 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-one9 K. m$ d2 t6 C. C/ ~+ F7 S4 o; e) u
let i 3
7 V0 _+ U+ s1 e7 r- flet sum-time 01 M% q: F: l" e0 b1 s1 e9 `( E6 i3 z
while[i < trade-record-one-len]8 `; I/ Y; U8 ^! p, ?1 \
[
% E& {, X. C' t( J' f, }set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )* G, F& Z& I% O1 c$ S) v
set i; g2 b$ M6 {. n: V! r! X# j- z
( i + 1)
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let credibility-i-j-l 05 U6 Y# x9 u% z
;;i评价(j对jl的评价)
8 |! U: }. q3 o+ C" ^let j 3
- e1 C4 j8 O& D5 \% M& i2 {let k 4
; p/ s6 }! d, m4 `- owhile[j < trade-record-one-len]( u1 Z+ A: e) j
[2 A: } L. o6 [1 q- n" D
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( P- e4 n5 r# b# [. H
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)! W1 x' v" a; n2 Y6 X* a9 j9 J
set j
) ^2 u* e) {3 _( j + 1)
" {& d( c& a O- T9 B/ l- @0 I]
8 j9 k- Z) u6 \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 ))
+ N, K% w, l6 e, F
) U {9 x+ y. r4 ]5 G8 i( e1 M" M( @
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)) [" `( ^$ h( L
;;及时更新i对l的评价质量的评价% c i. {" Q7 p W0 b: x3 ^, ~
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
3 o! Z9 K+ l" N& O& \- \, ]& _set l (l + 1)7 ~8 ?% [1 ?) k% w; J. V! X1 s
]
B: Z3 K1 z& `' b# wend
8 K0 H& }1 a" G/ E0 b |6 Y
$ [. F' B" ?: r3 z6 l* ~: \to update-credibility-list
% m5 p: v7 v) J3 l, Qlet i 0
$ u3 G: ]9 h( Gwhile[i < people]6 ~5 H& R4 Q1 ?( o: K8 D
[8 u4 U# N: ]1 ~" M" S: A& A
let j 0
/ B3 N4 R7 t9 t7 V0 A- O/ Vlet note 08 D" Q/ @* K. Q4 _7 @! A4 I& k; o
let k 0
8 s! V6 r. z7 M;;计作出过评价的邻居节点的数目
: x$ W4 J8 H" V0 d0 a9 X+ kwhile[j < people]& i, n# q6 `% D! \/ O
[ A; T% r% K& K4 ^& f( y
if (item j( [credibility] of turtle (i + 1)) != -1)( A! l0 B) ^4 _( t! Q( R
;;判断是否给本turtle的评价质量做出过评价的节点
H6 O4 v o- W1 f/ n7 g[set note (note + item j ([credibility]of turtle (i + 1)))
1 @+ y R* G& ]* I l;;*(exp (-(people - 2)))/(people - 2))]& x4 B1 ]7 M% q! d3 E* h/ g" O
set k (k + 1)
3 [6 z! f) b0 E) z( R! V0 \]
/ `% k- J/ z+ n# g0 \set j (j + 1)
" F0 g, u: a+ _% G]
4 o! P" A( V( iset note (note *(exp (- (1 / k)))/ k)
9 X* z) P r; ]9 A" Sset credibility-list (replace-item i credibility-list note)5 H8 b, v6 R) M
set i (i + 1)8 A- j. S/ M! m
]
, k" V* x1 o0 V, rend
7 q! C J# x: [1 w' y4 B
( _1 w" [. N4 d) Dto update-global-reputation-list
0 Q, v) O$ g& L* u6 zlet j 0
/ Y, Q9 q; i. O& [: S# p5 |: t$ Xwhile[j < people]3 ]9 l( J+ \- X0 z2 ?3 h
[
# ~" D* @! g- {8 X' `2 |let new 0
" N' U+ O9 f$ p/ d2 y: C;;暂存新的一个全局声誉$ c) u. U& t& |; G6 Q! ]
let i 0
p! \8 r& b9 \ s4 glet sum-money 0
3 V/ c' ?' \' Clet credibility-money 06 P; M1 O' p7 C" I
while [i < people]
2 U; o& u# o9 A& P[
$ I# e0 X$ U* H7 l, P1 Pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); T0 f5 c/ F$ [
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: F- h" U$ I/ r6 `" l& A9 yset i (i + 1), W9 U6 c! O$ ~- Z5 s8 U+ Z
]6 r& b7 S% y$ z+ D5 e& o1 {; x, M: T
let k 0
. n/ f- B/ |/ N% R1 w+ olet new1 0) Y5 J( s5 _- Q. c% ] b
while [k < people] Q& b+ U/ Z& e, ^
[; q2 e( e3 Z+ \6 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)
4 p; y9 X( M0 q8 h9 iset k (k + 1)6 Q# ~9 o9 M& K. D
]
& @1 B8 y- j. v! I g8 p, Lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( A) D- _$ c( u( X
set global-reputation-list (replace-item j global-reputation-list new)
, y' w, a3 c8 b: z/ Q8 {; h: ~1 vset j (j + 1)
# Y( y1 e; s. k. R+ r% ~& y }]; X: K; M t6 b9 ?
end
, ]& z1 y( _3 e
* V }; L& Y3 ?9 c2 E9 Z: I$ h0 C3 h+ b
0 c$ [( M. w! b+ j
to get-color9 [2 x+ z, N& C: Z F0 E
$ @8 x* L! V$ y" O4 Y
set color blue
& ~- `/ X& x% h, N1 nend2 t @9 a8 a+ ^/ b3 D ]! \; \3 ~3 g% r
$ ?5 {, J( g& Y/ x0 e4 t
to poll-class8 ]$ X, W$ Y. f
end
1 \4 U; s" W+ V. x! Q7 J) i
' Y$ C) K* G1 [to setup-plot1% F* B# k* {- H8 b. Y
. M# ]! c) ~( O1 f" \9 [. `- d- Aset-current-plot "Trends-of-Local-reputation"
5 m9 X# R% |; u
/ E4 v ?: ?2 G9 }set-plot-x-range 0 xmax$ S) O9 ?6 m; ~) H
) U4 U* Z6 p) {set-plot-y-range 0.0 ymax4 I* o, z/ C: Z( Q4 y
end/ n9 j1 m, Y' v" S: z0 v- R8 K: a- O
; t& B' w* z. o. b% R; A! Y) Kto setup-plot2
: s2 `( N& G$ n) P6 x1 M8 p9 R' {% A V8 x
set-current-plot "Trends-of-global-reputation"
+ I' X6 s, z% ]
8 r$ D! Y7 L2 G4 r/ `( N( \/ Rset-plot-x-range 0 xmax$ K# X4 N: z7 |- W# D1 L& V' L# s
, K0 ?$ |# c3 Fset-plot-y-range 0.0 ymax
, i! \7 j! b0 }1 Y6 wend
9 \5 ^& N e5 m- I2 n
) i( \ H" J) W9 X+ {to setup-plot3
1 w, A2 T6 J3 V# Y- V% u5 Q2 [$ q8 x2 K% q% A
set-current-plot "Trends-of-credibility"& j) Y7 b1 V+ s0 |) T, w
" F: i f" ~3 [. X* U, Lset-plot-x-range 0 xmax
3 F; ~4 y- g7 |& I0 \4 j6 [, h2 p' ~/ B3 o% @7 l
set-plot-y-range 0.0 ymax, c- h& s7 I+ c, L
end+ U5 D( E6 h/ C9 K
- d8 s$ P+ q* O9 _+ K6 u. O6 m
to do-plots
8 S; j. X( }/ b& h* {* [- }- Qset-current-plot "Trends-of-Local-reputation"! d# N) J, D* s8 h2 I4 C
set-current-plot-pen "Honest service"
8 e0 J$ X' T. }* lend
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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