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发表于 2010-5-11 13:19:52
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用list吧
3 Y1 ^) o. R# w+ `9 Ppatches-own [wealth rank]2 N* V3 l0 b) o
to setup
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ask patches [set wealth random 100 set pcolor green ]% b: O8 [' u/ f$ c3 T( W
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to go
% U, f* @2 x; I) x) b; ] let mylist1 []
# t% {, u! V6 F8 ]5 G/ b set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches( t3 C# d! d; G2 r: Z3 Q
let mylist2 []
+ y9 i% c/ J2 J2 m, H' e1 q set mylist2 n-values count patches [? + 1]6 V, ^$ y% A1 o; l; f) h9 S9 ~
+ N, E7 c! ?( U: m1 a ( foreach mylist1 mylist23 G7 ^9 }$ D: _' r
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ask ?1[ set rank ?2]
3 Q' p8 n9 [* s% a2 M show [rank] of ?11 U) }0 i1 h) d
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let mylist3 []1 C# t0 i% i* G/ y
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
/ Z6 }# Y8 |2 l show count patches
; s- Y S9 e$ p" ^3 @! ^+ s1 q2 F show mylist1
" t) f, O/ O \2 _6 p7 y6 I$ s show mylist3" y3 D! S q8 O9 C1 @
end
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这时的mylist1 和mylist3 应该是一样的 |
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