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?
& a3 u% O1 j# y x下面的代码不知道能否满足你的要求。! t. ^7 C& U, x, R: f! g
" Z: ^% J, @. @4 O8 ~# n9 Vbegin model initialization function
) o- f# R8 R+ y- c& m3 Y create 1 load of L_null to P_creation
' r5 L' D7 Z7 c3 r; h+ h( ^6 T/*L_null is a load type of which the load create loads for the model.*/
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return true
3 g% K% c( h v, b% f. K! {end. M+ x( a2 @0 H" X, ~8 E N7 m
7 N( N# m2 N2 | Nbegin P_creation arriving procedure8 t7 c7 A, }8 Y7 N% D
while 1 = 1 begin, j- g, V+ I* I# \, i1 |& s
wait for V_interval sec2 z0 ^, U* G; M3 q, L/ T
/*V_interval is the interval of creation of loads, fixed or random.*/0 c4 p; d3 L) i
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
+ F& B6 S) }9 Q! b2 }/*V_p is the parameter of the distribution.*/; ?8 x+ c! x& L
end
; \1 a% v/ N$ S% T% yend
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begin P_process arriving procedure ^6 J. n& w. t3 S+ R4 T
/*Any process the load will be in.*/ [* t* t& t7 O, X/ v* V4 d; D
print "1 load created" to message
" I& E( _! W* o% Yend |