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我的程序如下：
! G' w/ `$ ~/ `# B! `3 o ?. B& Ebreed [dogs dog]$ _0 V* l' g. m4 F
breed [cats cat]
) m: g9 x- x( F6 C/ e/ Jbreed [cows cow]
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+ k% \# S3 H8 V' `; Mto setup
+ b' ^* h, V } q- R clear-all
7 | G" i6 _' G( z% j7 B7 ` set-default-shape dogs "dog"
K: S9 q/ O" O) ^ _% G* o0 k set-default-shape cats "cat"
. ~, n! I2 b ? set-default-shape cows "cow"( s7 X% J( v* {
ask patch 0 1 [ sprout-dogs 1 ]
8 u( L' V* o4 j. r1 ^: g0 x ask patch 0 0 [ sprout-cats 1 ]
$ z( ~( n' @: k, s2 c2 f5 V1 U9 o ask patch 0 -1 [ sprout-cows 1 ]
3 h$ ~/ O" b6 d0 F" xend
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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：' X R- h: e x3 n
error while observer running SET-DEFAULT-SHAPE in procedure SETUP: T. m% }# K& R5 n4 f9 e9 s( ?4 o
"dog" is not a currently defined turtle shape& c! \, k1 e# G/ B) I
(halted running of setup)
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% g8 s( X, G+ {- q" V [6 w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
