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我的程序如下：
* [$ o) X* ^: V" ~# Wbreed [dogs dog]/ I. j4 M. F0 J5 D
breed [cats cat]6 x( G: P- S# O0 U1 z) k t7 h
breed [cows cow]
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3 j6 E$ \; ^* j7 n4 L& Zto setup4 e) t, _; |2 F
clear-all: C3 m& v+ l3 W4 @. i9 g7 L5 J6 `
set-default-shape dogs "dog"
6 d) b8 w4 n( d+ ^. L set-default-shape cats "cat"% H- g+ V7 H+ E$ P5 ^
set-default-shape cows "cow"3 T7 t( @3 O# n
ask patch 0 1 [ sprout-dogs 1 ], [. l4 i9 R. j/ V& g
ask patch 0 0 [ sprout-cats 1 ]
9 ?. _) {3 W" s ask patch 0 -1 [ sprout-cows 1 ]
6 v8 o$ x* d zend
2 m: p# j' P6 Y r" q$ I, v* K! {; R4 ]
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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：
9 }+ R! D. G R/ C# n: L3 c* t7 }4 D( oerror while observer running SET-DEFAULT-SHAPE in procedure SETUP/ N! ]/ U H, j( j
"dog" is not a currently defined turtle shape* n2 R' `$ t& n" {+ n9 y- F
(halted running of setup)
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3 ^" Q. J' W7 b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
