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? `) t6 v! |: O" a) d1 { y
下面的代码不知道能否满足你的要求。% F- ?, [* @! z9 x! t
9 x& I0 z5 n6 G3 Fbegin model initialization function
1 _" C, a6 ?- |, B. Q create 1 load of L_null to P_creation1 v7 w, V! o9 _" k: |: \1 B
/*L_null is a load type of which the load create loads for the model.*/
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return true6 i! f$ w8 F! A/ K
end, x- [4 A$ V7 q2 w. ~% W
& Q6 t4 I! z* X5 U: i( G9 Lbegin P_creation arriving procedure/ H. A! v1 I+ O* x- B2 h+ U+ u- f4 Q
while 1 = 1 begin
& I* T0 r6 C& e6 K wait for V_interval sec
5 u8 Y9 X& n4 U. c/ V$ ~8 A/*V_interval is the interval of creation of loads, fixed or random.*/- y$ z+ h0 `$ Q$ |6 Y
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)( O& n, [8 z; e. e$ B4 `( ]
/*V_p is the parameter of the distribution.*/
; \* t6 X1 T, G" c$ b end
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6 l6 S: _4 e6 k) ?8 i* E% D% `begin P_process arriving procedure
% @+ ~4 G/ O: q) Q/*Any process the load will be in.*/: |1 P: H9 p' B+ _' N/ k5 y+ m
print "1 load created" to message/ p n Z/ @7 k2 W6 s
end |