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?
, E0 s7 @# D* }下面的代码不知道能否满足你的要求。' g5 S5 k9 u J& `. D0 W# m
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begin model initialization function4 C" q4 A6 q0 q k" q& U3 w) j
create 1 load of L_null to P_creation" ?2 d v& E- z) v" C6 k
/*L_null is a load type of which the load create loads for the model.*/
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return true
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6 h1 q$ y4 C& x) U: l* Y+ k |0 lbegin P_creation arriving procedure" C9 k3 E; j0 ]
while 1 = 1 begin
9 m, C6 ]0 m/ }& O! f4 [8 p8 x0 z wait for V_interval sec: g* @7 l7 Z; ]# m2 c. R. A q
/*V_interval is the interval of creation of loads, fixed or random.*/
3 i w' ^+ S& ] @: H( Z create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
. F- W$ R; e2 V6 j/*V_p is the parameter of the distribution.*/
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end5 w& U1 |! G" r& H5 G9 e
* }& c* n- z3 q2 p4 u1 V0 j Q! u5 M* \begin P_process arriving procedure' U2 _$ ?4 L9 ?9 p6 h
/*Any process the load will be in.*/
* I/ [: v/ E4 R% q1 l print "1 load created" to message
% t, }. s8 G6 O& _" Eend |