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?
8 U l5 M! r' M1 X: Z: E- m8 l下面的代码不知道能否满足你的要求。
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begin model initialization function. @+ Q( |: t& E7 P# j
create 1 load of L_null to P_creation, b! ~4 N+ `( _" J6 ~3 z+ ~
/*L_null is a load type of which the load create loads for the model.*/
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/ e0 u! s# g6 F8 Y& d return true3 P x1 A' o) {
end: K1 s3 Z& W2 j0 K( V
3 U' \% z- J/ vbegin P_creation arriving procedure
: c% G1 _' u( W9 G* u" a0 r while 1 = 1 begin0 D4 G, I Z! ^2 K
wait for V_interval sec
6 {. `5 y6 r! L# U8 d U, ?1 X3 ~/*V_interval is the interval of creation of loads, fixed or random.*/, |' A5 R2 D) N& v% j$ v- m
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
1 `# \. l! q3 [7 D/*V_p is the parameter of the distribution.*/
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7 |+ R& T$ a$ U- E+ p* M: Qbegin P_process arriving procedure
9 {+ X: _6 }, H9 `6 V/*Any process the load will be in.*/' p& Z2 R6 `! h
print "1 load created" to message
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