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?
/ \; N2 Z- `& ?* U5 P9 Y$ h V2 Y下面的代码不知道能否满足你的要求。
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begin model initialization function
; n# N; V) \, D, } create 1 load of L_null to P_creation
2 S! X* c$ W1 ?8 x9 O/*L_null is a load type of which the load create loads for the model.*/! N/ R( R0 H B- O
# F( a2 h2 n! |- A @ return true) N! W% K1 q! o
end" p6 S* s/ y* g. H5 n
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begin P_creation arriving procedure
. [5 f6 ], W, m g while 1 = 1 begin
$ }4 a% t7 K+ P" H6 u7 w wait for V_interval sec
6 u q% D: f6 ?/*V_interval is the interval of creation of loads, fixed or random.*/, l) D; C1 ~5 e: c8 W& Z5 Y2 d
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)4 q$ ~2 @* O# A: U3 H
/*V_p is the parameter of the distribution.*// N0 l, t: M" e: p$ {& v1 H
end5 ^. c) [0 L8 L. ]: S" K
end9 N& h$ F5 Y# i. h; C9 ?
; ]5 H* k0 F% T/ t) x" S/ ]4 z8 e& w9 xbegin P_process arriving procedure D* f1 T8 {% |% Z+ ?3 }2 x$ e
/*Any process the load will be in.*/
9 s5 l& f0 v# z; G print "1 load created" to message3 _( c5 U, T& Q2 X
end |