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发表于 2010-5-11 13:19:52
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用list吧+ I8 j8 ^/ d( @9 R v! {) s3 T1 M: V
patches-own [wealth rank]
1 j/ M9 z1 p6 R4 W8 P5 d* ?! Fto setup9 H9 X+ ^! u1 ^: f
ca! `5 ]/ R; H2 G4 g% m
ask patches [set wealth random 100 set pcolor green ]( L# f& [0 {7 M' i0 J
end. I/ J% q' D5 S( x
+ }- m8 a% [) D0 \' S, M) i8 {. M7 o& @to go
* u' I1 ~% x% F" Y, c2 c let mylist1 []
# d3 t0 y- h: ?) k0 n set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches( s2 g7 p$ U$ ]8 m0 L- o
let mylist2 []7 W% |: e- f2 d& b% h* A [& I2 c
set mylist2 n-values count patches [? + 1]- M! P+ o( w g! S4 W# t0 e4 `
1 n* O3 b+ ? z0 x
( foreach mylist1 mylist2
# `: Q7 w/ @1 o# l5 @9 T1 N [% s8 F" ^# \8 b' K) ^
ask ?1[ set rank ?2]
, ]$ a5 T* J6 d. h show [rank] of ?1$ d& E. k6 c% q6 J
% }2 b/ ]9 ?* g6 P; x3 z ]
9 b/ x) N I! Q v )9 u" M6 Q1 ~1 u [( e' A8 C( u$ P$ |
let mylist3 []
" T# o/ D; R( F
" `$ L! G) r) W4 b4 K" R set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches$ l0 }; n( N J0 r, Q
show count patches* V% }) X1 Y4 S1 T
show mylist1 0 A) Y& O0 u1 e/ h# f
show mylist3
# X- p- \8 g% j% gend" d3 P- k7 v: a3 Y0 }7 S: v
* q1 F% Y5 `$ c
这时的mylist1 和mylist3 应该是一样的 |
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