|
|
发表于 2010-5-11 13:19:52
|
显示全部楼层
用list吧5 v0 X1 W: H7 i C k. r
patches-own [wealth rank] p4 R- E% C- ^* z* n5 `
to setup
+ _& P) b ?7 W. w+ H& B- n) ~7 J7 r( E ca
( i6 g' _4 O: D( a+ c# a& u6 ^ ask patches [set wealth random 100 set pcolor green ]
. N2 @8 ~/ ~$ S3 c8 _+ u7 Bend1 `8 l( H X& J7 q: z" f* K+ W
7 d, W7 y/ ?& {/ b( w* ]; ~7 zto go
/ K( ?% p: P8 [5 L9 \* a let mylist1 []
9 U& W' E( Y5 f( E set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches' w; |! u, O9 r
let mylist2 []
# ^7 M( ?- D3 U" P$ M set mylist2 n-values count patches [? + 1]* W" W. l3 B( K& S
3 m) R0 R1 `" @* R6 r" B& @
( foreach mylist1 mylist2
a2 ]' X/ z3 S [
9 j" e) V% l+ A- z. e ask ?1[ set rank ?2]4 p7 ~; I; o5 z" F8 c! r
show [rank] of ?1 ]; N1 m2 C6 C3 T
* W0 q# _( C: m. f! D2 }
]4 M$ G% n9 K! h; H- k* s
)
% a( h# f3 ]5 g, n# E let mylist3 []
' p3 w) ~6 o: W d ' w. u f1 g. c% x
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
0 f, g& g8 f( F2 C show count patches
8 ^* A" I6 T- ^& [& v& A show mylist1 ) V) }- y* r! Z+ l. s
show mylist3
* d2 }: G5 [9 i0 Send) d9 J4 } U+ ] F: J
! s0 {# O+ }; _' O9 y0 z E2 m- Z这时的mylist1 和mylist3 应该是一样的 |
|