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?! p' \8 X& S+ P h' i8 w
下面的代码不知道能否满足你的要求。
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, p3 A' \* G U, ]9 j3 P/ Tbegin model initialization function
* X }" A! {1 S8 Y create 1 load of L_null to P_creation
7 E, ~( v( f5 _/*L_null is a load type of which the load create loads for the model.*/
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4 B* h- H) \5 Z5 t' o; D2 X% o return true
0 ]2 A7 `* m, |' {" ~- Eend
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begin P_creation arriving procedure! S: l C( w5 P z. E) s) Z" a# a
while 1 = 1 begin( I: `6 i: o( k. ]! r
wait for V_interval sec, F1 c- w% t3 z G! U9 v
/*V_interval is the interval of creation of loads, fixed or random.*/# M* d7 _) U* j0 \4 o( Z [
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)& y8 I( @, T% t0 N6 G6 I/ P
/*V_p is the parameter of the distribution.*/
3 p! O$ \0 B% k- ~" P end/ {7 J+ o, V) q! [$ K" d, U. E
end3 \4 ^: k4 ]8 E5 n. W' ~& g" i
# A4 M3 f* E/ z- zbegin P_process arriving procedure
' l9 ?/ { H5 e; b/*Any process the load will be in.*// m$ h# h) d* E7 ], q
print "1 load created" to message
' ~5 n1 I3 X u% o$ Y& f6 Qend |