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发表于 2010-5-11 13:19:52
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用list吧
: Y% O& {5 `. t; J) i. Xpatches-own [wealth rank]8 I& w( q( H# y/ w0 L# T
to setup
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ask patches [set wealth random 100 set pcolor green ]$ Y* }$ X d5 w& }
end
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let mylist1 []
$ o- U, V9 X- A set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
2 @$ {2 v; B) O% W- x let mylist2 []7 b+ z, G7 z. I0 l' b0 h/ c/ l8 \) g
set mylist2 n-values count patches [? + 1]5 c& Z& y; C+ N3 N- z* O
' g w% w- S6 q- M. ~ ( foreach mylist1 mylist2
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) F- O. b* v/ l" Y% w r ask ?1[ set rank ?2]+ ^4 i* j7 x4 n6 O, p# p
show [rank] of ?1. p# N9 t- ]% g. a8 W$ k6 [& F+ e
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]
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- D- `' `4 F8 ]$ W" E let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches" b* Q4 K J! c" u) i+ _; {) d' R# s
show count patches+ \, g2 v# J! d& S" `
show mylist1 1 c4 P$ p# l7 y0 R3 I9 Q) a5 K
show mylist3' J& ]3 p1 S6 ~* k9 j/ g
end
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这时的mylist1 和mylist3 应该是一样的 |
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