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我的程序如下:
4 b c1 `% \- l) P. `breed [dogs dog]9 V, i4 m0 s, y% z0 [+ y( T
breed [cats cat]
: t% L* b8 i1 {6 qbreed [cows cow]3 o5 u/ a& Q, X; `2 ~; [9 o
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to setup
" B- Z) d+ O/ J, g& ]5 F clear-all# I V5 l k2 Y
set-default-shape dogs "dog"
- m% e9 X! l5 f, m) p set-default-shape cats "cat" f: ]6 t) [* W _/ W; _
set-default-shape cows "cow"- n: {6 G1 o2 S& g
ask patch 0 1 [ sprout-dogs 1 ]2 l4 C+ R5 r. H# p
ask patch 0 0 [ sprout-cats 1 ]
0 N* `$ ]8 t" {8 { ask patch 0 -1 [ sprout-cows 1 ]( _% E/ w& W2 B/ Y
end v1 B% j' g' p, ~' @+ K8 D( R4 w
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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:7 D" R9 `( D( H
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
$ z+ h0 K% K8 |7 f6 u4 X8 ~) `"dog" is not a currently defined turtle shape
) F, M) |$ J3 P" U6 S8 x6 B* z, H(halted running of setup)5 b2 @5 o9 D; e! L5 M$ B. S# G
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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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