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?( t+ T, D" y& ?* @$ T6 y
下面的代码不知道能否满足你的要求。) C0 h' ^- J' {) |# s) F
9 e# p% L o- X. H) z/ L% C- `" Tbegin model initialization function) x/ z- \: s8 ?, b" o
create 1 load of L_null to P_creation: B% `; Y- ]" Q5 X2 H
/*L_null is a load type of which the load create loads for the model.*// Y; M3 a- f9 l2 |' e
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return true% O$ M, ]3 C: L# a
end, s; n7 _/ X6 a6 ^) A! g* ^
1 K4 {/ _8 u* ~% I; I1 ^ ?begin P_creation arriving procedure% M7 \& b$ ~6 c4 I+ ^- F2 Z5 A. _
while 1 = 1 begin- j+ O' w+ ?: ~6 ~" j. n3 ]
wait for V_interval sec- Z0 s0 |. S% @( D
/*V_interval is the interval of creation of loads, fixed or random.*/
. L, }5 E% K' Y0 P+ O create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die); P) W. e; P5 j9 ?5 e9 p6 Y4 Z0 f
/*V_p is the parameter of the distribution.*/
, s! c9 L3 L8 o; V2 Y. k3 y end# t$ x5 ]2 @) T3 L
end
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begin P_process arriving procedure
/ K7 N6 q% o. F- G5 m( j/*Any process the load will be in.*/+ W/ L0 s/ ?/ N! k# B; Z" G/ S+ m2 _
print "1 load created" to message5 j2 P1 W6 X' m8 ?; m
end |