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?$ C) T& \) F# A3 e4 m& P2 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
3 G7 N- ~$ Y, l! ^* h+ g9 F create 1 load of L_null to P_creation$ u5 h( {* q) s9 J: W, G% V
/*L_null is a load type of which the load create loads for the model.*/! I2 H, a! v! \- t* y Z4 h
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return true
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begin P_creation arriving procedure4 m) Z% |, g+ u9 [% l
while 1 = 1 begin
0 X% S$ }' x( V% e, `5 } `( _ wait for V_interval sec1 O4 @8 H6 X% e1 p5 N
/*V_interval is the interval of creation of loads, fixed or random.*/( X8 x% X* [3 ^8 U! y; J/ A8 o8 P
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
2 V' q& H5 g0 P- p# E0 ?/*V_p is the parameter of the distribution.*/
6 }0 S+ _ U* q- \ end
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begin P_process arriving procedure
& N; L) C; ?" A. z, B! `/*Any process the load will be in.*/
, M8 V/ l- v% O: k, |( m8 b; B/ d print "1 load created" to message
* Y1 h! L Z, Nend |