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?
+ _2 g& ?- r9 J! J; U! s& M下面的代码不知道能否满足你的要求。
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begin model initialization function/ N7 \* [% c7 F0 R
create 1 load of L_null to P_creation
( I$ z# Z7 X, c; s/*L_null is a load type of which the load create loads for the model.*/
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return true
, g' {! Z4 Z( i* ^! v3 _2 w/ Rend
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0 ^; D( y8 v, _, H2 a/ c3 K" jbegin P_creation arriving procedure
, z% |. Y. N* b* ?- { while 1 = 1 begin
, S# }$ E' y8 f/ d; R wait for V_interval sec; D3 `$ T h! ?2 ?
/*V_interval is the interval of creation of loads, fixed or random.*/& g, l- u# S- o! v+ ]% |9 h* H
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)5 m2 h7 E" q4 m
/*V_p is the parameter of the distribution.*/
- N' }; h. D3 j4 Q end
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begin P_process arriving procedure! B1 W i( s/ e z( X& x
/*Any process the load will be in.*/
2 Z: [7 V6 d# ?2 C print "1 load created" to message
! T2 d C$ x. L% [end |