在netlogo模型库中有一个virus on a network,里面有一个代码to spread-virus
5 `" |% Y( ?: z4 Z) S `7 Z- c ask turtles with [infected?]+ @) z' n, n7 ?3 |5 z
[ ask link-neighbors with [not resistant?]3 L/ ~3 e/ \/ c/ {$ A, j+ n
[ if random-float 100 < virus-spread-chance8 A+ [5 B- K: g0 v3 x
[ become-infected ] ] ]
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8 H# }, `6 w. V) d2 N这里为什么virus-spread-chance大于random-float 100,就可以判断出become-infected呢?
) ~ A! T5 o& Y. Gto do-virus-checks. v( D9 A6 \; M# P. U
ask turtles with [infected? and virus-check-timer = 0]# E; J8 V. e3 I! v( @3 a8 _: Z& q
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if random 100 < recovery-chance: a* b3 x: a# l n8 f# f2 _/ j, }6 @
[
! J. s, d* n9 G, N9 _ ifelse random 100 < gain-resistance-chance# r, Z+ f2 t: y* [/ I
[ become-resistant ]& O5 ~9 V& W' `
[ become-susceptible ]
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end* Z* w, e; _( E1 P6 ~8 E& ]
下面同样这个问题不明白; C* D% e" }7 T) W1 o/ `* \6 T
小妹求大神帮忙!!
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