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我的程序如下:
" T' K$ _8 A6 H3 P1 e* `breed [dogs dog]
7 D0 G q+ R+ t- Ubreed [cats cat]
% m2 M$ `- Q8 Jbreed [cows cow]
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2 z! ]' V/ }- w# ?to setup
. x* G. I, K# i7 j$ `3 L clear-all" E! Q: t% m/ g2 ]; F
set-default-shape dogs "dog"
1 }. f% `9 T0 G% I set-default-shape cats "cat"
# T1 ] \6 H, P S2 y" x) ] set-default-shape cows "cow"% z* h) O6 A# u6 Y" y: M" x
ask patch 0 1 [ sprout-dogs 1 ]
, d, b- |% J% |1 ~; d ask patch 0 0 [ sprout-cats 1 ]
$ r2 i/ M; h9 t% A: C0 u- w) h4 m2 s ask patch 0 -1 [ sprout-cows 1 ]1 \( p/ ^6 v$ R2 ~# r' s" n9 u
end) {! y6 F6 p1 {$ ^1 q5 h/ |
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, j2 B: M f4 c1 H% q5 G/ p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:
- S$ O4 C/ N+ u! W3 O1 ierror while observer running SET-DEFAULT-SHAPE in procedure SETUP
. }- V8 ]4 {9 T; x. b- p- W4 E! G"dog" is not a currently defined turtle shape y. |. P K# r' ] ~) [8 r
(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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