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?* e' }7 `) O( M
下面的代码不知道能否满足你的要求。
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begin model initialization function8 H" j. ^* q0 ^1 C# t
create 1 load of L_null to P_creation0 i2 C+ d" I6 g! V' Q
/*L_null is a load type of which the load create loads for the model.*/
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, ?* Q, S8 T6 R Y return true
6 z8 @2 M5 F5 iend
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begin P_creation arriving procedure
$ r% j" ]" y7 ]( w3 g while 1 = 1 begin
2 r; d9 h2 ~; W/ l" {& S$ o wait for V_interval sec
( J& d2 I7 M, Z% k4 u6 U5 r) Z/*V_interval is the interval of creation of loads, fixed or random.*/
2 I" Z! ]6 N; n5 t, X) j create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)* w( U9 F$ c0 h0 O9 m9 {5 `+ \' ]
/*V_p is the parameter of the distribution.*/
8 j& E( |( ~0 `- t8 d end* \0 T; Y5 b: r, q: b& u
end
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begin P_process arriving procedure
( A! Z( W" C* r7 _/*Any process the load will be in.*/
3 Y4 ]+ {7 o2 d: H8 j( `8 ^ print "1 load created" to message( t2 q" C0 X! _1 m3 ?
end |