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?* l1 ], r9 W8 X; {: w0 P( s
下面的代码不知道能否满足你的要求。
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' p/ h7 C2 U' [2 z- u g: ^1 ?, _begin model initialization function
/ v0 l8 ?4 k& G1 M' M' J& ^ create 1 load of L_null to P_creation# r$ }: U+ k* m" ?9 F+ H
/*L_null is a load type of which the load create loads for the model.*/
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3 i9 h/ f2 u9 e* Q! r5 t: W return true
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5 c5 x. K* {( Z) fbegin P_creation arriving procedure# C! Q$ d# Z5 v' o: F
while 1 = 1 begin q, o+ a& y% @8 A0 [) u
wait for V_interval sec
/ S6 [- n, b; s& D5 b/*V_interval is the interval of creation of loads, fixed or random.*/, ?3 X5 c/ W7 y7 F
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
2 G; A: Z( }* } @! Z/*V_p is the parameter of the distribution.*/7 S' G7 O1 z, T
end
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) E; a8 i7 F5 O/ dbegin P_process arriving procedure
7 B' P U' O! Q% q3 g( A$ h# m/*Any process the load will be in.*/& y4 @% L1 P9 H6 s" m: \& s9 K
print "1 load created" to message' l6 e# m* v, Q: F# ^( u
end |