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?
4 {" C5 t9 F, k: d" ^* E下面的代码不知道能否满足你的要求。0 D9 r7 d9 a6 O" P: y& S
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begin model initialization function) z9 M" a* d0 A/ |- i' F
create 1 load of L_null to P_creation
1 w* L# x9 e1 w" j/*L_null is a load type of which the load create loads for the model.*/
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( u4 T7 e# p4 e6 v; H+ g+ s return true" m7 r2 h, T; V3 ~6 k3 B
end j' [5 d! Z, j/ D- G
Z3 E# E3 w `7 c. jbegin P_creation arriving procedure r# O* J: X" ]0 \: M
while 1 = 1 begin
G4 E( i- B, g! b8 G! f4 Q. l wait for V_interval sec
$ u, D1 O: h5 y, x/*V_interval is the interval of creation of loads, fixed or random.*/
& u9 {" n3 b: j% m. T3 O* @& j; n create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)% l8 P6 A* e% I; W0 P$ x& |
/*V_p is the parameter of the distribution.*/' i/ K" U$ y' K
end
1 i" i, K) v4 a+ A( Xend! A# u& I9 A6 \
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begin P_process arriving procedure( p! s+ l2 x. Z2 k
/*Any process the load will be in.*/$ V9 G" T8 C& ?. g$ \
print "1 load created" to message
2 `: q2 n' l/ W6 R) |+ fend |