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?; C G% |& |9 M2 Q6 h2 V
下面的代码不知道能否满足你的要求。
3 m/ d: [- [* B0 v+ o) x( c
$ [$ U& U/ e! o- P# i$ Fbegin model initialization function
9 N' P/ a; |* c2 ^, u+ @3 A/ n+ G0 v create 1 load of L_null to P_creation! T! }' B* p. @) y0 [2 q
/*L_null is a load type of which the load create loads for the model.*/) ]; ~; t# H9 h0 `
' `# \4 \, e7 P* C$ Y* {' s: c8 D return true% l$ I3 z$ h, L2 c
end3 n4 i. l& J7 L. E6 H' ]! E' H9 T) d
" r# O4 G {) l8 k, G3 _, s
begin P_creation arriving procedure
+ P5 ]' `7 P, O2 U( `( h while 1 = 1 begin8 l# m! p/ P; E ]! e! p
wait for V_interval sec
: \1 E' e+ O7 t! s% ^/*V_interval is the interval of creation of loads, fixed or random.*/" A+ [0 `( D Q) T+ ~% v: _
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
) w. u/ H, L9 l; ^( Q0 x" z/*V_p is the parameter of the distribution.*/
, }% K" h, p# g1 E* V end
- P& n0 i: q0 e0 l/ n& B. ^end
2 g6 Z. f! ~) }/ ?5 V2 d2 c7 |" M/ |, S0 v4 T$ d
begin P_process arriving procedure, M6 f& M# Z' t: ^* p P/ ]) |7 R- ~( U
/*Any process the load will be in.*/7 a2 O6 k) z# Q/ B5 Y2 @7 f
print "1 load created" to message
2 b9 X# M6 Z* H9 `: T" U5 yend |