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发表于 2010-5-11 13:19:52
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用list吧
- D* P, k: T; ^- m& G9 Gpatches-own [wealth rank]
9 O: _$ u9 u: B& n3 Xto setup2 R# ]7 _$ C3 H& g0 B3 V; z
ca. \0 B- U7 `6 z2 y# \3 A6 d
ask patches [set wealth random 100 set pcolor green ]
9 W; P8 R* D# x! ~ Send+ b, \$ M: u1 A, \+ j7 Y8 Q; T
6 i5 T2 ]3 s' n# O. D7 ^( g. e& v
to go' R2 t% U0 F# ^6 U) ?# b8 z
let mylist1 []
8 `' ^+ o( }( v$ ~+ w7 s8 i set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches3 l1 c, r! [8 q8 @- ]4 x5 B
let mylist2 []
: c6 S/ l$ O0 o \0 e$ H set mylist2 n-values count patches [? + 1]7 m* v6 G5 v- ]7 i; _0 b; t
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( foreach mylist1 mylist2
: X6 x. h* X1 G: I* b& k6 K7 [ [
1 l3 f* ?. |; |- }) K0 k/ R ask ?1[ set rank ?2]
- ^& \5 C& N9 M# \ show [rank] of ?1
1 @) @) i# q0 A% U) J+ `' { : ?1 G( h' G& N, C; G" U, \2 T
]
7 |) \8 {8 ? E1 Y( Q )
% G3 b: [1 b- i" ]6 p3 R5 V let mylist3 []
j; Y! Y0 d# Y ~ & i2 J+ r; t. C% Y
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches$ J3 C; ]* c* A; v, s, F
show count patches o1 e. W6 Q5 |" n; G
show mylist1 ' Z7 l$ A8 B; [: a
show mylist3
2 x9 S& M3 { k& O* d% _end3 U8 N1 V6 }+ G+ C
- ^# l; Y5 j) k0 v6 n( H; T这时的mylist1 和mylist3 应该是一样的 |
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