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发表于 2010-5-11 13:19:52
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用list吧
$ D2 H/ Q& Y9 U# k) X' w5 ]patches-own [wealth rank]( b( U$ d! h' l% K, t, d0 X3 p9 H9 Z! K
to setup' W2 }& B& C9 [5 p1 ^- l
ca7 Z- ?! A o' ^) x- v' _ u6 c* {
ask patches [set wealth random 100 set pcolor green ]
3 `: \8 B. J( o1 ?. G5 s! o, c* ` Qend
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5 [. d+ x; J0 `' z6 V$ l2 p- Gto go0 | _* I0 m6 n2 t6 X! n% ?, V
let mylist1 []
4 M4 t3 R- j9 i" O5 @* M set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches j' z) L, E2 z' ^, K( g% O
let mylist2 [] ]& K! k2 @$ X2 l) O( Q$ |* }
set mylist2 n-values count patches [? + 1]
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( foreach mylist1 mylist28 R$ n1 z; i; L
[
: p& }( p+ N. c ask ?1[ set rank ?2]1 v4 J4 i0 v8 N- _& T( |
show [rank] of ?12 }4 h" x ^& h
2 |/ N4 T' J/ A' u" G4 b x, p ]
+ q3 q. l$ _/ i0 E2 K5 B/ S/ ?' w )4 x- w% b4 o& X$ h4 T$ q
let mylist3 []
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: O" _" L9 x8 o! q6 q9 W8 H set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches2 U, V- X7 F; T4 F
show count patches
i: m* Y2 x( x0 U& O1 f show mylist1
4 ~& J2 @" M0 Y, Z9 q0 K7 k( S show mylist3
2 N& M& H, a; J: }6 z: S. Iend
' Y f Z. D& i# `9 K5 I9 g, f& q5 w3 ^ `5 M
这时的mylist1 和mylist3 应该是一样的 |
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