|
|
发表于 2010-5-11 13:19:52
|
显示全部楼层
用list吧; ?6 J2 O3 b( K# e* e
patches-own [wealth rank]
2 Z) f3 p4 e" F* }# `5 n; L$ uto setup5 }- E5 b# r( E3 F0 Z1 E
ca' Q# Z) Z' ~2 x/ C0 S# E+ i
ask patches [set wealth random 100 set pcolor green ], J/ |# B6 H, Q& m2 z0 |
end
. ~$ y8 ?& i- }% ~) i7 m J5 s' I! [; z' e7 B0 w, u" t' d7 ?
to go
. |" A$ f1 X0 c2 g: I& q- b& \1 K let mylist1 []
( H3 @- G( l7 x$ T4 L3 b- z* u+ ? set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
2 m. ~! g/ Y% T4 g let mylist2 []. a; P* U% g# X
set mylist2 n-values count patches [? + 1]
$ I) Z$ ] U2 H: t5 d* q+ P- b( f + w% @" r% ?2 j+ Z( H
( foreach mylist1 mylist2- I b- L2 A8 a5 d
[4 e2 ]( r" i( \9 L% H/ }1 a
ask ?1[ set rank ?2]. D$ }* @9 R. \; Z0 ^
show [rank] of ?1! [/ p {' h+ v I0 {8 R: ?
; A+ q {3 J9 D! i5 A ]9 w# v" a0 c y6 e6 F
)
9 w7 o) r E$ J% N% t H let mylist3 []( z( q7 G8 \; d7 r: X
% Z$ M/ j) U6 d
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches0 b' J# z$ Q, S& W; Y* S9 L0 O2 E( L
show count patches8 B+ Q. U) h3 ~" D0 @+ J$ G& k6 }
show mylist1 R% U: A' L" z1 H
show mylist3, h# w7 ^3 ?0 F( f0 }. o- t3 c1 A, ~
end
8 V. @( e: l" a$ Y
+ ?( B" A! {. r# Y( a. _( ~4 C这时的mylist1 和mylist3 应该是一样的 |
|
