|
|
发表于 2010-5-11 13:19:52
|
显示全部楼层
用list吧4 D% } t5 L( O6 R* X. W
patches-own [wealth rank]
4 X3 l# r4 {" d6 C! i$ gto setup
8 j, h, U. j4 W, t o! X: z ca; Z$ J" j' X- \, {% V% Q
ask patches [set wealth random 100 set pcolor green ]
% {% _4 _) Y6 t: Aend
: K; C! r) x' T. U) }' P" Z' E- a5 q& O! K4 z$ V
to go
! R1 Z0 N( v) |. h8 U; z let mylist1 []9 _* D8 z$ d9 O3 W! f( p
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
5 }, t& q! Z, I* g; p I+ ^( P let mylist2 []5 l ?* f2 p1 K5 F
set mylist2 n-values count patches [? + 1]
& f g5 x+ g) m& E+ }
- b2 V" [1 s7 C+ \* d* D8 | ( foreach mylist1 mylist2% ]; d/ c* B1 a2 Q. `; w
[$ V: a8 [( `# c+ z: `" Z2 R! C+ V
ask ?1[ set rank ?2]
1 D: r+ _( \) \7 L1 b show [rank] of ?1
* Y) G. `* z+ t8 Y 0 C0 z# S( [2 n0 U; Z
]; w7 d1 @. h; ?* R/ J7 ]
)
- K9 q0 K( p1 w- o" ^7 E let mylist3 []
# I% W7 e0 C0 a3 Z# I, |- w4 e
7 z* k0 \/ g. J) m3 w" }; L set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches* G0 J3 V% h* ]# r5 z7 p
show count patches
; t7 ^8 U A0 O( _# t show mylist1 , e4 a9 ~& L5 z- W
show mylist3
# R; \) ^; d( `% n ~+ iend E8 j1 ]8 H0 J4 l h6 g! y. |
7 L# S% H, g _4 T) s这时的mylist1 和mylist3 应该是一样的 |
|