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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$ P& x' B# y( Z! v8 k: V1 t
globals[
! T' A- D( d. c/ `& pxmax
* l1 ^: N' X. C( A8 W0 yymax4 V4 z5 } P% r" E
global-reputation-list
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;;每一个turtle的全局声誉都存在此LIST中& N0 h+ n* R5 S- r+ `+ M
credibility-list
4 B) h; s; E# m;;每一个turtle的评价可信度: s' k, X1 y% z* J6 Z' I( k
honest-service5 V$ z; U4 Z* F: c% k5 r1 ?! U9 u
unhonest-service
' d$ Q, r3 ?5 `/ @: hoscillation2 T" w7 P+ B' z# ]/ i8 {1 ~
rand-dynamic* t) n5 h8 \. A! Q# M \" y
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% H1 K4 j; P5 Z8 ]! G/ s; D9 pturtles-own[) ?; ?4 f, A; C) n* B8 K' g
trade-record-all
4 P% O9 J) u) q( l7 _: G+ A;;a list of lists,由trade-record-one组成# M) U7 ?& B8 Y
trade-record-one
9 t, I' P& j3 @+ D; H;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* L( j X4 k6 A) \
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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]] M: P0 k3 e6 T9 F R. Y1 k
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]2 _4 N) {9 Y/ u6 W: \
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
" ?) H, c, l. ]! N& lneighbor-total k2 E8 j$ c, d j: B2 N
;;记录该turtle的邻居节点的数目6 p8 }; j | x" o& z5 L& q- m
trade-time
7 U" g! S, Q) l- L7 s5 F x$ {% T;;当前发生交易的turtle的交易时间8 g( N$ d) d$ a* H3 @$ q
appraise-give8 K& e; ?! e( Y4 O+ C3 \! S0 D+ Q
;;当前发生交易时给出的评价7 V' J+ Q/ o6 m
appraise-receive% v* b9 @( {: ?) A3 N
;;当前发生交易时收到的评价
* y O; C9 n l+ Y; b" Bappraise-time/ T0 Y. [5 X5 e2 C
;;当前发生交易时的评价时间) J4 F# x7 T( |5 z( X
local-reputation-now;;此次交易后相对于对方turtle的局部声誉' j+ t- M6 O2 B3 Z" o( ]
trade-times-total
7 R; m6 ?6 j2 m/ y;;与当前turtle的交易总次数/ I* u5 ?2 ?) _$ L
trade-money-total) s: V! b' P A$ F' z* J
;;与当前turtle的交易总金额
( r' l6 @& R! \local-reputation" j0 U( ]! J. t' d0 t
global-reputation
5 G6 _. |3 t: c- Y' Hcredibility
( L( v6 q! u, n4 J, N9 [1 c, C;;评价可信度,每次交易后都需要更新
9 }7 w% x5 v4 B) n6 Q6 a8 X7 Kcredibility-all
1 Z$ P% h3 f3 n7 n( b ?# b! O6 U;;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- v* V' I4 Q9 z- P. }; [
$ y3 |$ t& i7 }7 ?$ u8 `3 `;;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 A* A+ m! ~ ^2 e/ \/ G0 m2 S0 \credibility-one
$ ?6 B. Z; X& k5 B* U1 r0 Q;;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4 \( C# L* i4 e- l+ H+ x
global-proportion, o8 O6 f6 J% |, W. X
customer
* V, t1 Y2 a! V# m* I4 \/ Fcustomer-no! O: h# U8 @1 E" s2 T
trust-ok
7 s8 F) B P {4 r8 z7 O) jtrade-record-one-len;;trade-record-one的长度1 P, s( U( x9 V0 q- L( k" [- z
]
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& B. G( x7 L0 T$ H;;setup procedure- t& H' u" t% |5 i3 S7 F
$ ?2 B |% v9 W! A: Z$ G( |- C/ @to setup
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: T+ t( @' h) x% [. tca
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: l3 }! Q( v2 }) v4 C; oinitialize-settings
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crt people [setup-turtles]7 x6 t0 u/ ?& v
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reset-timer
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* }# [3 e9 P9 J/ M1 d7 n; lpoll-class$ `- y* r) m' R6 f' |6 i1 E
5 Y, B! s# Z- G2 D& n8 n" ^! G1 Asetup-plots* \: p4 q, \) {: o$ y! s
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do-plots
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to initialize-settings
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- O p8 a9 p) l# @. z. ~$ j1 M- Y4 Vset global-reputation-list []
1 {3 p2 G2 T$ |, S5 m
2 z: ?- J; [7 J% m+ `1 y3 r" hset credibility-list n-values people [0.5]
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/ p e. ~7 S4 x8 D# ^* Sset honest-service 07 ]1 g- j- a, z2 |) x$ w' _) i: M
. u- M$ l9 x4 dset unhonest-service 0; S' j. \; ?; L. j6 ` M6 G' w
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set oscillation 0/ B& b9 n1 S: E4 Y H# ]8 B
9 }+ {% E0 n# q& m
set rand-dynamic 0
# d! z6 M6 j p# q8 A- Fend0 K0 U8 a4 X# m$ {" \1 A: c
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to setup-turtles
* `5 J& v! s9 S2 z4 _& D' Fset shape "person"# c* J0 z0 u# L8 B* [% K4 J
setxy random-xcor random-ycor
; V5 {& w* b7 q8 M3 V8 eset trade-record-one []
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. t- b* \: O- p+ X! g- l! Iset trade-record-all n-values people [(list (? + 1) 0 0)] 8 I7 e' m$ `7 O2 A/ b! y% ~
! P# A' M+ o' w. zset trade-record-current []
* }$ d3 A- R6 _6 L6 B( m; `set credibility-receive []0 ^% b {" k6 B
set local-reputation 0.5- e9 _) V% {* ?- t5 S
set neighbor-total 0
, x( `1 z$ U$ T7 z7 l. Vset trade-times-total 0/ Z7 e* I( @6 }3 [+ D" u
set trade-money-total 0
4 k5 Z8 [" h+ A( i0 Uset customer nobody
, K4 C& c: K9 a4 Y0 x# l# d7 _set credibility-all n-values people [creat-credibility]# f$ C$ Q; z/ s5 j
set credibility n-values people [-1]
, n0 D2 S+ s7 [. ~' U9 tget-color0 a( C+ f+ z) V+ E. [
% B' C: R( {. Y6 _; @5 Fend
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to-report creat-credibility
% G' `/ s* t9 @: X9 Q. R9 Vreport n-values people [0.5]
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to setup-plots
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set xmax 304 W8 m: |! G4 H" d- N, N3 L& G
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set ymax 1.0
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clear-all-plots6 v: I; c2 O0 w4 V8 }3 y
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setup-plot1
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setup-plot2
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setup-plot3
, k1 K, C) V9 E5 |2 i/ \end
% E$ @6 u4 [ ^
4 Q3 o* k! D! d0 t7 z, A;;run time procedures6 i9 F$ N$ D8 Y2 H2 w* [+ l
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to go% m0 Q. i1 Y f$ S- W
# r& [, N( ?# `( P9 `ask turtles [do-business]9 a- X s3 q$ ~/ F' f: k+ l" P6 P
end) k7 e' F3 ]$ U& [3 u$ L$ H8 O
( P3 V# `! ^# s. ~& X9 ?2 Bto do-business 2 O8 q3 D) _9 i0 W" I
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rt random 360
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( m3 B- Z* O; |, V. m" Ufd 1
6 l/ q( w5 y0 [$ ?) _8 T+ o) j# y* i6 I- O; j
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here/ E3 B1 q. E% h7 g( f$ n: b6 g& \
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;; set [customer] of customer myself
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9 |( O5 d5 A0 N. Q2 |" `( Zset [trade-record-one] of self item (([who] of customer) - 1)* [. X1 R: s& y5 W
[trade-record-all]of self
/ a9 m/ V8 E4 w1 g# J8 x;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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) A$ W( x+ c5 Q+ E* V, O9 d6 rset [trade-record-one] of customer item (([who] of self) - 1)# _* J( [ ^1 j6 N2 j V) q% {) U1 D3 ~
[trade-record-all]of customer4 r' j' A; ]& C4 Q; d. `
% x& T1 |) k: b* P8 `' }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))
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* Q5 ~3 |+ K6 F+ Cask self [do-trust]& ^2 m; J) c8 G2 E6 d; [+ Y
;;先求i对j的信任度
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) S9 m2 p& R( m* X& t! ^" l. X7 Gif ([trust-ok] of self)* `8 l5 g* S. Q: U6 ~! s2 [
;;根据i对j的信任度来决定是否与j进行交易[7 G* t, L+ ]* Y( X( x! R; H: T
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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do-trade1 G6 i2 \0 k; l- p" ?0 c
/ O6 `% h, b3 Qupdate-credibility-ijl
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update-credibility-list0 Z5 Z8 S+ ^' I0 B
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update-global-reputation-list
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poll-class
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get-color
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+ ]5 U m( _( R# D2 S$ N]]& T) i+ s! K8 i% D' X K8 ^
7 S6 w( J9 [5 W" I;;如果所得的信任度满足条件,则进行交易7 A( x7 G, X- S% u9 @& C4 T
0 ?+ i9 ^+ i: \4 {9 i- {
[) q+ N6 O1 x u# W5 j! L
; R; a* V( i9 M/ f i; urt random 360& H/ R0 k) W4 F2 P
! I! z: s! Z- g6 |1 v2 F$ lfd 1
/ q0 S3 R& i' p) m) z, ~
6 j- _: [: [/ \( v4 u/ p2 x] w4 y& ]4 k+ k& q! w
+ a. m, m g! j* Dend
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to do-trust 0 ?2 X9 @) u) @7 c& ?7 }# Z/ j
set trust-ok False
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let max-trade-times 0
" g$ ?& A) E# f' N- x8 y+ v2 a- g, q2 bforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 d6 O6 H: c; B8 U
let max-trade-money 0% ~/ n5 q; P6 m7 |# f' Z2 R
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]], G6 ~! Y; p# }5 k
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
% c( {# a* V3 e: T# h a% L5 r: k/ r* k3 X
/ }- x/ [7 s/ ] Y' ?( i; H7 q% yget-global-proportion" L5 Q, i% g* l* P- K
let trust-value. w2 H! K/ m0 q. }, w
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)7 O b( E. c9 q3 q- [) H% F2 {
if(trust-value > trade-trust-value)$ D/ H3 j+ h6 \% z' @, u
[set trust-ok true] L5 N/ u ~ k( i! y
end
5 T8 q7 t$ A+ S' E7 H% L0 C
) l& {6 H+ F: Y& f; p n$ f6 |& fto get-global-proportion
9 k, R4 X5 p! p8 j1 a1 v2 M5 xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)' N: Z2 Y9 {1 R x% H
[set global-proportion 0]+ \$ s. G" \. B/ |
[let i 0
. r5 s9 [+ C: a' h4 G [* Y Tlet sum-money 04 @9 @( x$ _- t m1 J) m
while[ i < people]2 E! |# l, o$ u; y7 T( @ l
[
1 v8 _. Z! Y% R: R' N7 ]if( length (item i
4 S% {- a0 f* b! {1 {6 f G[trade-record-all] of customer) > 3 ) ^9 _. `- b; K7 h
[2 `' e# ~. z+ B; V% z: B; E( G
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
; s" y' p" O2 j" b5 M( r. a]
) {. I5 K2 V, e/ x/ a]
5 i4 q. Q; p4 Z Tlet j 0
' w5 i' E, N# A7 \0 Llet note 0
1 q1 q+ q* g5 L8 A9 ?, Z3 nwhile[ j < people]
0 m! J% |$ Z+ s4 X6 q# h[6 l' u6 V) i' g [
if( length (item i; l* x6 `; w* ^1 @
[trade-record-all] of customer) > 3 )
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ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)4 L H: b7 [: B2 a2 m0 X$ h* U/ s
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 p* f3 u K# o7 U" j W z[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]0 t) W Y7 D' c$ c
]
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set global-proportion note
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end
; U6 L& x$ b# {6 }. _: r0 L
4 G1 n( x: `4 Y2 q' `: b/ R+ B1 ~2 uto do-trade
# q6 k8 [/ N" b/ D3 g- x' K* o;;这个过程实际上是给双方作出评价的过程
6 k# l6 W( |( h7 M0 X2 [& zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价1 _3 l8 e' o p2 ?' r) K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 G" z8 i4 U: T* ?( Yset trade-record-current lput(timer) trade-record-current
2 r: W3 n* v ~ t;;评价时间
- q/ q& k$ z/ Pask myself [
6 [$ R6 @+ @6 m7 ]- x! @: U9 O, zupdate-local-reputation% H/ w L) y' C: c0 o: `* ?
set trade-record-current lput([local-reputation] of myself) trade-record-current: u# r* D8 H- E+ x
]2 x- Y. L. w: z
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 O. p1 J7 P4 b. B;;将此次交易的记录加入到trade-record-one中9 a7 M" i- x. |5 s
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
$ b. v0 P1 k5 f3 X4 g @1 a3 Tlet note (item 2 trade-record-current ). L" i& C9 y8 a. Q6 X
set trade-record-current! k7 r7 t2 D; e* _/ D
(replace-item 2 trade-record-current (item 3 trade-record-current))
+ Y& ~( S4 k y' \0 y) E ^/ Hset trade-record-current9 n3 W) u/ ~/ x& ~# i2 e3 V# t q
(replace-item 3 trade-record-current note): |) w: t- x' h) Z. r
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, h, O( i. n' oask customer [8 z" N% s% t- v! I* p( ^
update-local-reputation
. b" B+ w" G L3 i* A& Wset trade-record-current# W; E( m* A$ i! T n7 ]/ T
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 |( R( w4 A2 u4 k. {! S: Y
]
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# b' o' h0 {$ R) zset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer+ @$ \: ?; {0 L! k6 Z
+ Z! n( a6 c, v0 Eset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ F- r' w1 Z+ s$ ]5 o
;;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% E. X& F3 B; e1 N/ c( D% b, s8 R
set [trade-record-one-len] of myself length [trade-record-one] of myself0 x0 C) N4 M- z1 |3 M
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+ k$ c' {$ [: t& ^ X2 ~
;;if [trade-record-one-len] of myself > 3
+ D) `( K' U: o9 r- ^/ x' jupdate-neighbor-total
! y0 o |$ K: `, |, `) z;;更新邻居节点的数目,在此进行
! Y8 J8 m: u5 s& _4 s% c- ~+ Tlet i 3
4 }3 u% L& I1 K! O& v3 xlet sum-time 0& q% m4 U6 F/ k0 ]+ y- P
while[i < [trade-record-one-len] of myself]' V, i$ b- J: Z G
[
+ C- E7 M) H) U; g4 ^9 X0 qset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
' K% o1 x4 F, ^set i2 Z- y) [8 h& m
( i + 1)" Q4 a' }8 }) d7 H! b$ W
]
9 d6 A6 Y, v) ^, T0 u4 o' o6 alet j 3: k1 M0 x/ B! k5 {& E5 @* I
let sum-money 08 e% x8 V( g0 l
while[j < [trade-record-one-len] of myself]
W( S. p! p" [4 R[
2 ?: f2 i) z: s) n+ t- [; z, Dset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time) ?: `( |" v2 s. u t2 y8 r. U
set j0 G7 S1 B6 H0 c! }- U( E) r
( j + 1)
9 [* n" b ?3 F/ G/ y]
' O% a$ J* T* h8 P" H) A- Olet k 38 t" m9 N+ P# y
let power 0
6 O9 l. S8 U1 x5 `6 \! Dlet local 0
4 y; S; w2 E3 O$ m- ^5 Gwhile [k <[trade-record-one-len] of myself]' Z" V5 H7 u% \4 O% C L( j
[
j0 z: L$ z P2 b! o& O0 G+ mset 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)
. t% O. M# ?2 K% P# U8 v1 K+ J0 W7 x+ qset k (k + 1)
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set [local-reputation] of myself (local)
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& a9 F: m! Q7 ?to update-neighbor-total! y z/ W* [/ b8 H" L6 y
: ^ t( N9 S0 v5 a, `- `
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]( ? ]. O- R, O
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# x# l+ {! t4 w) w2 R$ f+ `& Dend x$ m/ S) m( j- v1 z9 \1 O0 s7 ^9 p/ i
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to update-credibility-ijl
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* K; T$ ^$ m# `- f9 x' N" |+ h& {;;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。
! x. R. L* z' Z% r# jlet l 0
# o/ Z$ N: b7 {$ I( E8 ^: _' Bwhile[ l < people ]
) k! g( L, @% }" J# q: B;;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)
! k6 l, }1 @$ C2 R nif (trade-record-one-j-l-len > 3)7 G2 L" T/ u3 V! {. `6 X' 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-one
% Y' O" _- Q; `: C) |) Vlet i 3( C& o! `' ~* @$ U, k# P: K% f( o# I1 g
let sum-time 0
4 [! Q6 R2 ~3 y* j% @while[i < trade-record-one-len]' b7 {: t+ P* D) |- p
[
0 s* o# q& I6 D2 z- D* L0 \set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. V& e0 _2 h g( W) I/ u: Uset i
9 `$ m* M. ]5 m) b) m/ T) P3 h( i + 1)! B5 ]4 A4 j% k3 R5 n( J- ?
]
) S: B8 x/ ?! g' T" ?0 Tlet credibility-i-j-l 0
+ i1 G( b5 \$ h/ L5 w! A( {;;i评价(j对jl的评价)
# d: s& F: D5 g+ }6 v$ plet j 3
: _$ P& M' P- w$ Q5 \/ r$ t4 clet k 4
. S% ^8 e3 \0 K6 D* lwhile[j < trade-record-one-len]
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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7 ^9 p% q7 {" ~. ^) `& F, O# m
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)
6 z/ ^7 @4 C1 F$ ?& ^6 uset j4 U/ y! W7 n9 l% `- n1 s
( j + 1)
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. M8 M c% }- [/ uset [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))
* i! J4 _1 {9 Q7 V# L1 ~;;及时更新i对l的评价质量的评价
. @7 D1 N% Q/ D- M9 o/ n8 H6 mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: c% u. k0 J' wset l (l + 1)
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5 F% j6 N& n5 n" r& Lend/ i( a8 o, {9 s9 q4 x% H+ b
; ?0 D h6 e, t' @to update-credibility-list
3 C ~ N. U3 q/ [, g$ Wlet i 0
# M( ?1 ~* ]( m5 X7 k4 Q8 owhile[i < people]
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let j 08 x$ W6 i4 _# v0 Z; F; T0 @
let note 0: A& X" v7 P$ D1 q# h
let k 0
: y9 E0 Q9 V$ f Z3 i/ |4 G' X;;计作出过评价的邻居节点的数目
$ j8 G1 t* u v! W5 y4 E& ewhile[j < people]
! V2 j5 O; Q5 i& K" V[: r N* C4 d7 i: Q1 ~7 q% j# {
if (item j( [credibility] of turtle (i + 1)) != -1)* N) o d3 g0 e( Z
;;判断是否给本turtle的评价质量做出过评价的节点
$ S* a" F# u. n( M+ r' ]- n[set note (note + item j ([credibility]of turtle (i + 1)))6 U& h5 s5 q% X+ ]
;;*(exp (-(people - 2)))/(people - 2))]3 U, E# v. p$ U5 I& K8 O) N
set k (k + 1)$ x! I# A+ ^/ q+ t
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set j (j + 1)6 \ f* l q3 e; D {& H
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set note (note *(exp (- (1 / k)))/ k)
4 T8 _0 {2 e c/ mset credibility-list (replace-item i credibility-list note)
! ^' w& n) d4 Tset i (i + 1)4 Y% Z ?. z; J
]
, X# }5 G2 T) q$ oend6 @: s7 H5 D8 _8 X/ ^7 M
L" N0 a" ]4 c& i8 u+ G6 I& Qto update-global-reputation-list
9 ?! T7 B8 y! a7 k3 y$ |5 l; ^let j 0& v! Y& G J8 w& H
while[j < people]) l+ g) i2 w! f8 V
[
4 Y X/ I: F( E6 D" glet new 00 H, E" `* I$ U$ J7 M7 @" K% v+ f; I( v
;;暂存新的一个全局声誉. v6 [8 ^2 ^6 }& Q( D( m* x' q
let i 0, ]8 I% z) i1 X; ` g, C) t l- S
let sum-money 0
, c' ^; ^4 m/ H8 F+ V& A& Vlet credibility-money 0
* M4 l S1 l, p7 owhile [i < people]5 W5 X" |% b- \/ Z" ~4 P
[
8 ]. Q) {. L5 d" e$ hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); ^$ U4 K& h3 K$ {
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))! {" d: X* H& g) J
set i (i + 1)
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" Y! {) K- J+ N; x) p: Y2 ~' W% Alet k 0
& G/ D/ U8 X' m X$ Vlet new1 06 \' m d* G( ~! V7 Q- C
while [k < people]
0 ?4 d! M" s# x[
! p8 Y: p& |) {! a* h2 j* rset 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)
$ e2 T E1 G. m! L1 M0 K9 p: Aset k (k + 1)% }$ W+ g$ H! ]$ n( _9 G9 I: h j# s
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
- v! T! U% x3 | F8 w4 h3 _set global-reputation-list (replace-item j global-reputation-list new)
+ F% V; H6 |8 Wset j (j + 1)8 }' a, Y7 a- I( X2 V
]. n8 n4 u& D2 i7 m/ u) E
end
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$ ^; i2 h! o3 Y: G6 p$ xto get-color
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8 h% W: L; V$ Z7 w1 n7 }0 jset color blue# Y8 g0 C7 u5 ^. p5 W
end
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! w- ] ~' H9 g- _to poll-class8 Q3 s( p( L( m4 w
end/ y$ w' D8 [" `6 M- F7 z
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to setup-plot1
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+ @5 \/ b7 @$ G) F \set-current-plot "Trends-of-Local-reputation"% q. P% {( s+ j, @; I! x& Z
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax
; ]6 [6 ^% s% N0 K0 s$ eend5 F6 {( `: i: t5 N/ X W8 ~( j
5 O7 b& U) v, vto setup-plot2
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6 N U4 r/ W ?! d+ kset-current-plot "Trends-of-global-reputation"- F) \: Z2 Z. o, \" x5 A! e$ T
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax
4 I- E+ H/ L* [( Send
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to setup-plot34 s O2 r# F% B7 N. V+ d
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set-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax
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3 X" ^9 B2 t. Lset-plot-y-range 0.0 ymax7 s6 _4 B/ d0 d6 @/ J; J
end
' ~, R: U" V% G, @
+ ~0 J6 X6 z3 t. tto do-plots
; _9 X. {( j# \- c+ }) H7 Nset-current-plot "Trends-of-Local-reputation"
9 h3 Z3 E2 r+ \3 u G/ |. Fset-current-plot-pen "Honest service"; E9 X9 g3 H! u4 O: y7 h; ?) b
end8 s7 Z3 A' e/ \7 C4 }0 T0 A! W+ L! g
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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