|
|
发表于 2010-5-11 13:19:52
|
显示全部楼层
用list吧, t& {5 i+ E$ K* f# y! b6 O
patches-own [wealth rank]' q/ L' R8 ~0 N5 b: G
to setup8 V( T- f# A6 K9 K1 x, X
ca
" K7 q. s) L9 _& ]. i7 d ask patches [set wealth random 100 set pcolor green ]) r ?! q* Q" N+ M
end8 \$ f, h: N4 p: `8 W
/ Z7 P$ W+ Y5 ^! v& ?to go, N) Q/ j7 p5 g0 T ^ l) j6 k f
let mylist1 []( w. A% P! G4 J) v' }1 k" M% t3 A0 P
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
, K+ o, o/ P' R let mylist2 []$ o& \0 g7 t" q% `) W
set mylist2 n-values count patches [? + 1]0 m L4 D. f, Y6 q
" c1 B0 H4 C. p$ M6 H ( foreach mylist1 mylist2
; C$ @7 K! f i6 u7 K& S2 N' I [
( ~9 F$ B4 ^2 Z, _8 W6 | ask ?1[ set rank ?2]6 I! P( Y) J) ? q" ]5 g+ d( j2 P
show [rank] of ?1! f1 x0 w; }. V' g: h& G" k$ j
; f4 U0 i$ X: o5 O ]/ R! {3 ]: C- s: z+ C6 H6 ?( s: k
)& n f' i; I3 L- b
let mylist3 []
3 t" L7 @9 W1 I3 I7 n; x 4 s- P: [) `0 w8 F7 Z" R* R
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
5 Q2 J9 Z2 P1 G/ [# V! | show count patches
! @0 r$ c( w3 [; \; a show mylist1
4 Q, h( ]6 |. K* n* _2 ^' B show mylist3
4 l9 k% _2 |" K0 x: T+ S1 E8 nend7 b# K, D& G" p% P! h
! |6 ^: R1 U0 r/ h7 b这时的mylist1 和mylist3 应该是一样的 |
|
