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/ Q% p) W9 S; v* I& j
下面的代码不知道能否满足你的要求。
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) y, h, k6 M# |0 k" d9 n* Ebegin model initialization function
6 R, M. ?8 ]! l7 E; b T create 1 load of L_null to P_creation. @/ b$ \9 ~) D X
/*L_null is a load type of which the load create loads for the model.*/) l$ I5 S0 h1 `1 u0 Z* E
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return true
0 |* r3 O) G# Y" nend- g5 d }( i4 q; d/ e; W/ v
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begin P_creation arriving procedure
- J9 _9 H- r! r6 ^3 g9 \% n6 N2 Q while 1 = 1 begin
. {7 W* f% a- L; K" I _+ l- I3 x wait for V_interval sec/ J* ^0 z: V0 U& O& l
/*V_interval is the interval of creation of loads, fixed or random.*/
( f- n6 S6 g& h7 w create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
# N, W2 a6 x' k5 R# U/*V_p is the parameter of the distribution.*/; Y5 ?6 ^& f' a, \$ y7 M
end2 q* e! T, |; \; I( m+ W9 e
end0 D) l# H: l; l" G3 t( ~8 Q
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begin P_process arriving procedure$ m! A" ^" g, Q! h# |$ v0 q
/*Any process the load will be in.*/
e4 I, U" x/ w3 }; [9 Y print "1 load created" to message0 i7 ~! b& D* a" g9 {' A l, l; j
end |