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?) S9 V3 c( k, i) m
下面的代码不知道能否满足你的要求。
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8 T& U% k0 P7 f, [& i$ }begin model initialization function
( J1 K: n% u2 D1 O' L, P create 1 load of L_null to P_creation0 l8 P: | y8 W3 N! p3 o1 n
/*L_null is a load type of which the load create loads for the model.*/
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return true
" j" C; d1 y% D# [2 m8 v! ]& Qend# o" [. N% c5 ^3 Q1 u0 k! x- j
8 z# n# }7 H$ I0 |, tbegin P_creation arriving procedure+ \/ @+ a8 r8 H7 @* v$ I/ [
while 1 = 1 begin
7 k% u8 P1 y& |3 e3 r wait for V_interval sec0 Q1 v6 ]3 g4 G: l2 ] H
/*V_interval is the interval of creation of loads, fixed or random.*/) U9 \6 P8 a# |' j
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
! O6 e; Y( p; T5 L! D6 s9 s/*V_p is the parameter of the distribution.*/6 ~8 N- F* X+ I& k* _9 d3 C
end0 `$ Q% h" ?* E1 a5 G
end
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begin P_process arriving procedure. @0 h, I6 K3 q9 W) J( p
/*Any process the load will be in.*/
( S8 {: p$ {" C! r, ? print "1 load created" to message& O; x0 b- k3 M% |
end |