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发表于 2010-5-11 13:19:52
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用list吧
& i* U: b/ s) M/ _4 I! spatches-own [wealth rank]
$ `; U$ f* ?% w1 v# }to setup7 |# A- v6 V8 _$ g. Z
ca4 F0 B; c6 d5 p. {4 j1 F
ask patches [set wealth random 100 set pcolor green ]+ J: |* c3 h9 Q& g
end
+ @+ r* W9 b# ^- o' c0 N/ J5 c7 D; C0 G6 Q O) C5 e- U8 I
to go# {9 W: v4 W' O/ k& n+ A% K
let mylist1 []
0 I- h& D5 }. j/ @/ u7 x9 L& S4 X; s set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
7 l1 U4 B8 [0 F6 o- a( j- a" u. J let mylist2 []# \' i3 X. k0 Y& Z' S+ T p/ G
set mylist2 n-values count patches [? + 1]- _& }% z# c# j& T( W+ ?
; o w1 g; F# ?8 A) A! y! f
( foreach mylist1 mylist2
$ b. F6 q8 s- f) F [# t$ ^7 n' ^$ E
ask ?1[ set rank ?2]
7 g$ | R! Z" H* E9 c1 i. e show [rank] of ?1, N# Z* h$ G) w0 _0 Q
# Z x. H7 _, N
]$ t8 F0 C2 X# S) e
)" Z* y9 B* p( P5 @# h
let mylist3 []7 {( w9 [$ ^4 t) a+ c! C
k9 d- n. T8 X
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
$ ?2 [' J( D) c" p1 v show count patches
8 D( V) R- @, [" W- \* P, V show mylist1 4 \2 f2 `: T x( {0 j
show mylist3/ t9 g6 @# ?% m$ {
end+ c$ F& X6 }0 `- n0 x7 A0 ^, Z
+ L- W8 `8 W R/ J这时的mylist1 和mylist3 应该是一样的 |
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