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我的程序如下：
( z& j& c$ N% Y" vbreed [dogs dog], D* o) [9 p- \$ j% _ Z% [
breed [cats cat]% T- d$ Q7 c' z* k) h J: i* |
breed [cows cow]% k8 a! a4 L3 X q; o- m& h
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to setup( U( G- [5 g6 x+ t$ T
clear-all( ?4 E( U9 K0 a& e9 @/ i& q
set-default-shape dogs "dog"
; J T. m3 v! Q5 X& ? set-default-shape cats "cat"
5 x( L2 q% \' ?1 w. v9 ~ set-default-shape cows "cow"( |: f4 e! g5 X
ask patch 0 1 [ sprout-dogs 1 ]
6 [/ p2 v# @2 g( t3 o+ |+ B' b ask patch 0 0 [ sprout-cats 1 ]
$ Q: ]9 F: r0 H7 f$ q5 [- ?3 U ask patch 0 -1 [ sprout-cows 1 ]
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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：. c' M/ k) t' _( X
error while observer running SET-DEFAULT-SHAPE in procedure SETUP
1 z( o+ }( Y& Y& G) k# j"dog" is not a currently defined turtle shape H: ~; i( ^$ w5 ?
(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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发表于 2009-11-18 10:33:10
