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? v5 n- U2 B/ b! j$ v" c$ ^
下面的代码不知道能否满足你的要求。
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% j, d1 }$ `. O& ?& N wbegin model initialization function
* q& k w9 {% S3 A1 Z create 1 load of L_null to P_creation; S% U4 R. [6 b; B O/ X1 z/ N
/*L_null is a load type of which the load create loads for the model.*/+ }4 u/ u% t& ~9 L* m
0 ~) P2 }$ ` T: q4 _0 Z. D* R return true
6 G! |4 Y/ f& F+ |7 Iend5 R8 D, m. q9 t
N- N$ I/ |/ abegin P_creation arriving procedure9 c* a2 ]& Q, k# f! X* S
while 1 = 1 begin( i0 l7 p9 N2 q' X# K, g4 |+ Y
wait for V_interval sec
+ f" [" J* W7 A1 K7 l+ r8 X# |# U) B/*V_interval is the interval of creation of loads, fixed or random.*/
) t9 D% Z2 q' {2 l create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)/ d7 }8 {' _4 I# [8 t4 k
/*V_p is the parameter of the distribution.*/! i1 U* f3 e# y! [/ x, m% M
end3 R, t4 }" o! q
end
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begin P_process arriving procedure
8 a5 t5 O5 N& C9 L/*Any process the load will be in.*/
% X! F! y' T( E print "1 load created" to message
+ v, A) Y* F$ f1 d0 i& w. pend |