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?
: r% g0 V: a, `' n下面的代码不知道能否满足你的要求。
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, n- `' [: ? v* ubegin model initialization function" ~- c" |: L" @
create 1 load of L_null to P_creation8 j$ C# r S* d; C, k: Q
/*L_null is a load type of which the load create loads for the model.*// g- M4 O, C1 R2 j; i. @7 q5 x: d, u/ \
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return true
/ t8 l9 F! ~8 n7 F9 E8 r& x3 eend
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2 Q; E! A ]) K. R% T5 \begin P_creation arriving procedure! G8 V4 m# V2 A3 i
while 1 = 1 begin
( d9 |) F$ G$ W* Q+ d ? wait for V_interval sec0 C. `* U7 Y' j# r& g9 H& T
/*V_interval is the interval of creation of loads, fixed or random.*/, Z5 i+ X) L" h l$ K3 A; ~
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die), n9 z. [) E1 I6 y d- |
/*V_p is the parameter of the distribution.*/
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end; G& ~2 v% m' P' ]" E
5 F* S U1 H, _- abegin P_process arriving procedure; P; N# U: Q0 G( y2 y, c$ }1 g+ e
/*Any process the load will be in.*/
6 Q8 m2 B/ o" a3 E/ h- p k9 d+ b print "1 load created" to message' v* U% J+ J- E
end |