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?' `* f, H* J t0 I" u
下面的代码不知道能否满足你的要求。
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# v7 [- ] F& f: C) v' ibegin model initialization function
- V/ t0 ?2 D4 N create 1 load of L_null to P_creation6 Z2 p, x& a* D$ T& V
/*L_null is a load type of which the load create loads for the model.*/
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- ^, t8 |, p4 K" q& B$ X return true) q8 m; V# o: T7 w) R, X
end6 d4 _4 j0 d* x, s% w8 ~
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begin P_creation arriving procedure R' H4 @+ f: [$ h- w" x$ \
while 1 = 1 begin: ?2 }0 B. F- ^! M- v
wait for V_interval sec6 `3 H) `4 f+ w# k# R9 g+ n' ?
/*V_interval is the interval of creation of loads, fixed or random.*/7 m) r! q& }) B" l. ~, [ M
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
. Y( T9 x! N' P2 w/*V_p is the parameter of the distribution.*/4 \3 R2 t3 P7 f: @& S
end
5 {2 ~/ C* T% Y2 f1 Y4 B# xend
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) s) x$ P, Z& ~) T4 [begin P_process arriving procedure
$ J& x, a" F8 \+ M% C) {/*Any process the load will be in.*/1 [( J% X9 ^. X% j$ ~% a
print "1 load created" to message4 {$ i" O+ T, {; O! C! H
end |