|
|
发表于 2010-5-11 13:19:52
|
显示全部楼层
用list吧" r S, d; d% D
patches-own [wealth rank]
6 S; G7 Q7 A7 V" J3 vto setup
7 d' ]! \; ~8 o6 R( X9 o! `4 k4 U( z ca
& d' O4 t1 R& _ |0 F. b, q# t& j( c ask patches [set wealth random 100 set pcolor green ]8 p# A" C+ ~) i: H y) m
end
1 I) b3 ?4 ?& _( r% y
# m! X3 N/ `* r& y% h; o6 I, kto go+ L2 E. H- j( a, o5 p0 | V2 H$ u
let mylist1 []
+ n+ m" h; P- D" w set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches- Q, i0 A. p" g# b, `* z% a! d7 P
let mylist2 []$ L3 H4 z3 j8 F @
set mylist2 n-values count patches [? + 1]
$ G* l$ x5 S0 c; D4 e% [ : d$ w7 U$ V0 a9 f5 I
( foreach mylist1 mylist2) A+ v* J$ Y: n! J+ Q
[
4 s, a1 ~1 k, @' u! s ask ?1[ set rank ?2]
# |! j1 s, y2 I show [rank] of ?1* n( }$ @* x5 ]3 w0 z
2 T$ ~9 u4 L L J9 ~# M5 p1 h; \" e
]
5 |6 L0 V$ X0 F5 k0 K! D; Z ). a- i7 {/ Q+ `
let mylist3 []5 I7 X' x7 r$ l' Q6 {
% `! u/ o& ^! b7 F% i
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches/ c1 z: o# E/ b, b- \* ^
show count patches. T* l( I* V4 J
show mylist1
* d: V6 [ ^! {5 {* _5 |+ [+ P show mylist3 m& a2 c+ T) }
end
/ J" ?9 T7 l3 h7 f
+ Q9 E7 i# ] p7 ^6 ~* c这时的mylist1 和mylist3 应该是一样的 |
|