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?
* i) ]& I, i3 Q' N3 f; t2 D下面的代码不知道能否满足你的要求。/ g5 d+ f2 x _( F# K5 F1 q
" j8 m3 v" q* r1 U7 k _begin model initialization function
' a* L8 \2 P5 W9 I: ~3 G$ J: d create 1 load of L_null to P_creation" Y) G- }9 Z2 }
/*L_null is a load type of which the load create loads for the model.*/
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# {& [3 @ s E( a& \ return true4 l4 O2 o4 ^/ _1 N
end! h( B- w4 [& p! i( N
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begin P_creation arriving procedure/ B, N, Q' s3 @
while 1 = 1 begin
$ u3 V2 n T; H2 n wait for V_interval sec7 M& K6 q3 p6 K7 z/ }% T
/*V_interval is the interval of creation of loads, fixed or random.*/: Q8 x- p1 I0 ~, A7 Z7 V
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)" L& A* e6 T9 k/ H$ `
/*V_p is the parameter of the distribution.*/
3 S. f1 H% D+ r( w- Z9 P! s3 Q end
I7 @# a( F4 mend
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begin P_process arriving procedure; ~. S" M+ U1 g" v; ^
/*Any process the load will be in.*/ ` R' _, |4 ]# |
print "1 load created" to message# J2 ~# C R1 f4 P0 G
end |