|
|
发表于 2010-5-11 13:19:52
|
显示全部楼层
用list吧( r* V, j9 m3 t. p# {
patches-own [wealth rank]& u! i1 m/ a' ?( }3 t! ?% n4 J
to setup
5 J X9 {6 b" N; ^6 n8 G" A4 ?$ q5 a ca
% e2 z% D9 F: b$ H, Q ask patches [set wealth random 100 set pcolor green ]
0 A K7 A. X) m0 _( h Oend
4 d7 \* ~! t5 @4 J' S6 B$ y( x
to go$ F; G7 e& v6 m* ?6 E7 W
let mylist1 []
/ w2 T( W* \# w/ e3 U set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches8 ]. F* Y- Z2 G, u
let mylist2 []
- z% a, A- Y: x, i9 U5 `$ c9 W" } set mylist2 n-values count patches [? + 1]& X) G0 P3 S/ J$ d7 `
: c6 v W% ~5 X x- [. Z/ |8 X# Y) _
( foreach mylist1 mylist2( O$ c9 R* I7 v2 ?: Y
[+ X `+ G8 t+ X* ?& B: k7 w
ask ?1[ set rank ?2]
! c- \' J! \7 k0 h9 y show [rank] of ?1
5 P9 i9 ~+ ?& n* u5 L
$ h, d* B$ l! D* ~3 X" U ]
3 z% t) r" H8 T2 p" I )8 \# s( Y1 s# b# r
let mylist3 []
9 `' B$ R, t+ A B( e& v
- u5 Y# N3 f3 c) l i0 _ set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches4 @5 H) _% L! f9 A
show count patches8 y6 A; F, |9 o! G& h# a7 F% j
show mylist1 6 r% a- N4 B% X
show mylist3
; q+ h1 z S+ ]2 N+ c5 Mend
' q6 l( l+ p3 i) Z p' D9 l. @. N! Q( z/ r/ B7 W
这时的mylist1 和mylist3 应该是一样的 |
|