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我的程序如下:
# q+ ~- O) L! v$ Ybreed [dogs dog]
% w1 T' n: g# \breed [cats cat]: @& L: O, v! [, X
breed [cows cow]
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& y( R$ U% @6 l# d2 J& @to setup
4 B- P/ u0 z' u) t( P clear-all& O$ C" }: h1 T7 C# g
set-default-shape dogs "dog"8 U3 W. w; D+ C0 v
set-default-shape cats "cat"; z+ @2 }! _& S! \9 A9 c6 T4 ?
set-default-shape cows "cow"
' [" y5 E% T9 @) Z$ s( @ ask patch 0 1 [ sprout-dogs 1 ]* L4 O: Z0 z4 Q$ g
ask patch 0 0 [ sprout-cats 1 ]' K2 x5 K- f- @0 H6 z( r/ y
ask patch 0 -1 [ sprout-cows 1 ]: k v1 Y- h3 S0 d* V& f
end( K: u/ y5 d( e1 y5 y6 A9 g
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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 o+ w0 U* l- v6 I( ?error while observer running SET-DEFAULT-SHAPE in procedure SETUP
" D7 A$ W8 h8 B% C0 i2 S"dog" is not a currently defined turtle shape L$ J( a$ F+ @# u. w1 X& i4 G: f
(halted running of setup): f+ \/ b0 E9 b; p' P
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0 E$ ~) C8 r" S% l' H) s" `, J我用的版本是4.0.4 请大虾们指教下。thanks! |
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