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发表于 2010-5-11 13:19:52
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用list吧
/ U4 S6 P1 N- y' ipatches-own [wealth rank]: e& Z% J7 j& G; }- x6 C$ G6 c! T
to setup' B& `% b% F' ~ k' j) d
ca$ Y( H0 L! o# v& G% [
ask patches [set wealth random 100 set pcolor green ]
. ^& p4 C" a$ B8 o% nend
; [4 _7 H; Q1 Y7 C2 u0 t \; b+ T# [: G( r: f
to go3 k: J9 b: r7 W' ~8 q$ f1 T! x5 c8 H
let mylist1 []2 P5 g# b: {% ]9 X* T5 z/ z
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
^1 Q* j) Q: @! ]2 c0 z1 G$ C let mylist2 []1 o( I& ?7 C6 p1 e/ v% o
set mylist2 n-values count patches [? + 1]1 u7 Q- r5 ?4 O% P$ a
( }' Q9 @4 B5 y# }, k1 h: U7 i7 I
( foreach mylist1 mylist25 `; O, B+ K2 t* n
[
" V9 k/ X4 Z+ t5 o9 E ask ?1[ set rank ?2]
6 d( u6 k3 d% R. w' s9 f+ i show [rank] of ?1; z1 ]$ S. L2 X! N8 A |% B
; }7 Y" y# `& C, P4 w" k! ~ ]
4 d+ u; C2 m. ] )# ~& v( H1 O+ F1 e; l% v
let mylist3 []5 S2 s4 X0 @( H! j5 J, x
2 H% ~( E& W _$ c+ e
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
, C/ D; P% z4 D3 j% H show count patches( C* s) r9 j& x4 O4 U# Q: C
show mylist1
) C6 r3 U8 j! A |* X, d show mylist3, d6 p V9 R0 {3 b0 R
end( _$ c5 f/ B2 ]
% y/ o5 a3 ?% X3 f
这时的mylist1 和mylist3 应该是一样的 |
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