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我的程序如下：
; j. j6 O4 T K& b5 P' N: a, fbreed [dogs dog]
+ g& n! l( p6 _" a( |5 abreed [cats cat]
7 N; G9 K4 T( |8 F! mbreed [cows cow]
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to setup
6 b3 a6 X3 Y$ L. l clear-all# l# ^4 [ L/ c
set-default-shape dogs "dog"" Z% l1 i+ `# K
set-default-shape cats "cat"# [0 q+ D9 x! |$ t6 O( Y7 }
set-default-shape cows "cow"
# Z" U( x5 G. T' h# A* G3 d: I ask patch 0 1 [ sprout-dogs 1 ]
$ [; C" w: Q1 C1 c( ^ ask patch 0 0 [ sprout-cats 1 ]$ U& o1 ?! n$ k' S) u
ask patch 0 -1 [ sprout-cows 1 ]
* l1 G) c+ H- I! j, hend
0 m; S& V+ e B3 G' H
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! I6 o% O; H$ C这个是netlogo自带模型库里的模型中的程序，我新建文件再将其输入却提示错误：
* N4 ]% A, T6 w% u( X3 t( y$ Nerror while observer running SET-DEFAULT-SHAPE in procedure SETUP( b1 p2 r5 F6 F" F
"dog" is not a currently defined turtle shape
0 G9 `3 b1 ]( w, T% r T(halted running of setup)
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我用的版本是4.0.4 请大虾们指教下。thanks！ |
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发表于 2009-11-18 10:33:10
