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我的程序如下:
4 Q5 T6 ^5 y) H% `( e+ Q$ Z" Ubreed [dogs dog]
# n/ b7 Y" L9 q# z3 {breed [cats cat] f$ C5 N$ {5 V
breed [cows cow]
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to setup
% d* X. R7 B* ^' K clear-all
% { ?3 E/ t' O- y! I b0 @2 T set-default-shape dogs "dog"
; q, ^6 S i* w) Y X1 t/ B( `, D set-default-shape cats "cat"
; D( d( X: m& T- g8 u8 y( s# s set-default-shape cows "cow") z- d1 D- L8 w5 `) a
ask patch 0 1 [ sprout-dogs 1 ]
# e9 a# i8 r- J/ K% s ask patch 0 0 [ sprout-cats 1 ]
3 K" U M" G' D' F' { ask patch 0 -1 [ sprout-cows 1 ]& }1 e4 `; i1 D+ B9 e5 k
end
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( p8 J, u1 {0 Y8 X9 V! B: u8 z+ e. }$ }
5 n& W, z9 Q9 m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:
" u4 F: M1 \2 t5 f8 b* uerror while observer running SET-DEFAULT-SHAPE in procedure SETUP6 X/ ~' _( |+ u% q
"dog" is not a currently defined turtle shape
# c3 F7 s9 z+ |! f& X5 Q(halted running of setup)
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f* v9 r7 A) k8 [. c
我用的版本是4.0.4 请大虾们指教下。thanks! |
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