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发表于 2010-5-11 13:19:52
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用list吧. C9 m! k* I: o# Z& [! n
patches-own [wealth rank]5 n' D- h& M8 N- K! R
to setup+ C1 W& r5 }/ ]( f! T1 z
ca5 r2 W& ^- h- r# h
ask patches [set wealth random 100 set pcolor green ]# t7 E" x" x/ W: N/ E
end
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1 y0 g/ \9 \! M! |3 Zto go$ D5 w- Y- T0 L7 r1 @0 f6 o4 q$ I) X
let mylist1 []& c9 z+ f' Y# G7 i, k. e' h7 m, t
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches- b1 Z4 v6 }" b; \
let mylist2 []" `7 \; w, O \1 D1 p* M) _
set mylist2 n-values count patches [? + 1]6 F: \, p8 L2 b, `
7 b* c/ V! U6 V# v9 L, u: B, S; J
( foreach mylist1 mylist2! x# g$ j; U+ Y3 t
[8 S) v0 X3 w+ t4 r4 k
ask ?1[ set rank ?2]
2 R; j7 X t; ~* W; q show [rank] of ?1
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]2 l U/ N2 i7 D) I6 z& L K% G" V- H
)3 u: B# }; Q) s9 I7 F- q( ~. B5 h* f8 t$ f
let mylist3 []
- s2 c* o' ]2 u+ M
8 [/ V6 Y$ p* {' J set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches/ ]4 B' H2 Z0 h6 x
show count patches0 Y3 T4 Q; n4 U
show mylist1 7 [# t+ X6 A9 g! O
show mylist3
2 L- t5 s1 N+ Y# y) _6 Eend1 @5 ]- [. h4 `+ I) w7 o) T
- X) u- N' q9 p; V( f( x/ }
这时的mylist1 和mylist3 应该是一样的 |
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