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发表于 2010-5-11 13:19:52
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用list吧
) o% @5 T0 p: j1 u! ?patches-own [wealth rank]
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ask patches [set wealth random 100 set pcolor green ]1 o5 r+ c& g( F' i; b
end
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to go( g: e7 Y9 _( o" V \/ f
let mylist1 []
' B m% B' F: ?" Z5 Q set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches& y0 ], j7 \( P% G8 O
let mylist2 []
+ u2 }2 _, L! S7 F1 W' h set mylist2 n-values count patches [? + 1]4 E) {: }- n. w
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( foreach mylist1 mylist2 x- Z# z5 u2 n0 T5 P
[: ^2 ^# i* i. a5 r8 K5 G; }
ask ?1[ set rank ?2]4 i7 L2 e% K- H! j
show [rank] of ?1
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]
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$ _6 Z" r& o3 m let mylist3 []7 E* b" s; f% x
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches% [8 C% B3 ]2 I8 R- g
show count patches
! J3 N; X' N9 r+ C show mylist1 $ L4 a4 a: R% @( q) Q
show mylist3
9 y; N* {+ l* T! q( |end
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这时的mylist1 和mylist3 应该是一样的 |
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