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? s: F3 f1 A h9 a, L
下面的代码不知道能否满足你的要求。( x# b6 X" b6 V2 U% e) q3 Q
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begin model initialization function0 V* O! x* V _/ }# K( V
create 1 load of L_null to P_creation K0 s, I3 _2 G8 U F" ]; `
/*L_null is a load type of which the load create loads for the model.*/
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return true! z y$ `$ ^! @# N: A/ H
end0 A& a7 X- G4 A0 n$ p
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begin P_creation arriving procedure' i, D; ~8 j# y8 c% c( ^
while 1 = 1 begin) h4 f+ n9 Z# |; e, ^3 k' R9 c: s
wait for V_interval sec; U3 |* y* M! \! |# `& j( x0 h
/*V_interval is the interval of creation of loads, fixed or random.*/; }' E: X$ L* n5 I% E- G3 j
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)9 {7 v7 {8 U1 ]
/*V_p is the parameter of the distribution.*/
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end
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8 A+ f; w% B( t/ f" f1 @& Qbegin P_process arriving procedure
8 J2 a4 k& R4 C* s/*Any process the load will be in.*// G, e$ [' c& f! v
print "1 load created" to message+ K5 i9 ~: G7 L+ \' J. n& f" {+ o
end |