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?
0 E' L3 H H1 \; ]0 B下面的代码不知道能否满足你的要求。3 l3 U9 o/ t& |& c7 y- t5 n
z, Q$ R% F6 d% Z; lbegin model initialization function/ d( `8 Y5 G4 t
create 1 load of L_null to P_creation
$ a) F' R. z0 h( y' J$ S$ {* U/*L_null is a load type of which the load create loads for the model.*/
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# X* S: P! _! W' z8 g return true
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* m7 w4 p4 x& U* C+ Vbegin P_creation arriving procedure
1 w" B- e0 K% n& S) @2 {& q while 1 = 1 begin
" Y [5 j1 z2 Q6 I4 I wait for V_interval sec3 x9 G8 S0 Q# Y7 g1 l) Y" [. P
/*V_interval is the interval of creation of loads, fixed or random.*// K3 f9 Z) b8 o f& A
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
5 M: M2 E$ y% S- q) t/*V_p is the parameter of the distribution.*/) p3 N! _: q2 |3 p( U
end
; K) t4 L* F' Dend
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begin P_process arriving procedure6 G; s0 R \( S
/*Any process the load will be in.*/8 f# Q8 e5 g c
print "1 load created" to message0 k, b% f2 U' t/ W
end |