什么叫“到达为伯努力过程”?是不是说,隔一段时间出现一个机会,产生或不产生load?
' o: c3 d! x$ P: O( h下面的代码不知道能否满足你的要求。
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1 H% H& S& a1 O* ?: R/ H6 |begin model initialization function
/ I3 b5 p& Q8 w/ {+ F3 Q create 1 load of L_null to P_creation
9 ]3 w" s* ^) b3 ?5 ~+ m8 b) E/*L_null is a load type of which the load create loads for the model.*/. u% \8 ~5 K7 h; P3 P. C
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return true
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0 q, l. m" Y8 N! Ibegin P_creation arriving procedure3 T: r, W! _8 t& U0 d+ B/ A# S/ M
while 1 = 1 begin. k* @6 ?2 V. J
wait for V_interval sec7 ~. z$ d- K3 _) W2 p# \% |8 P
/*V_interval is the interval of creation of loads, fixed or random.*/' f- _( p, m# T$ f. O5 W
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)! k- G( `3 |% O2 y
/*V_p is the parameter of the distribution.*/1 ~4 I: d- s) k
end) K5 b9 M! L2 i% E7 I
end
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% S! \$ N8 G7 q) p/ [, A. w& [, Fbegin P_process arriving procedure) i6 f) Y, ?; d; J l3 i
/*Any process the load will be in.*/; K) q, [( v/ }1 a
print "1 load created" to message' s6 y+ n# H# o. K, S* u5 Q
end |