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发表于 2010-5-11 13:19:52
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用list吧: V# _* ~# r+ N9 } T
patches-own [wealth rank]
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ca6 q3 v' c% S( d4 X C ]5 s9 A% f
ask patches [set wealth random 100 set pcolor green ]4 C% e5 \8 C# g. x8 c" Z
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to go- E8 K, ^" p* I/ S3 F3 u6 j
let mylist1 []; y9 m# G: a0 A
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
- X2 n; M2 }* Q% |( L0 j R let mylist2 []* c: p& Y5 k3 c8 T
set mylist2 n-values count patches [? + 1]5 H9 J# R- u7 _; \; A" c) J5 \2 W" M
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( foreach mylist1 mylist2& t3 ~2 p0 B+ B9 f' s
[/ s3 [$ c- { O, {, X
ask ?1[ set rank ?2]
7 {; x) E0 f4 T2 B/ Z show [rank] of ?1
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]
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let mylist3 []
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) V3 F& K9 D: t' \ set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches8 {* z5 g+ N" Q% b) }/ Z: j1 B# C
show count patches
' I, u# t/ m7 S8 I! U) U% J0 u1 } show mylist1 . B1 c: M( f+ l' o+ h. G
show mylist33 }0 k, ^/ z1 [( o
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这时的mylist1 和mylist3 应该是一样的 |
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