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?6 ~/ j K3 ]/ o1 b
下面的代码不知道能否满足你的要求。* I `2 h3 }0 H4 ~6 ^ X: O
Z3 F, z. I/ U& h \begin model initialization function
o# v' T; d+ K4 b2 ]4 M$ O) X H9 H create 1 load of L_null to P_creation: Y. T) n0 s, l; F) D1 B1 x1 W% A' g
/*L_null is a load type of which the load create loads for the model.*/
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" p9 C8 R' {8 x' S- v7 H0 F return true/ k9 H q! N f* @
end* u5 Q- I6 o: L$ i# W$ A
( p! D8 s+ o/ ?' Q/ `4 Z' q/ Gbegin P_creation arriving procedure
! Y% ~4 ]1 T6 V3 ~ while 1 = 1 begin. ?) `+ A! F5 p1 {$ t9 n. s$ c5 e, c
wait for V_interval sec& H6 h( C8 E5 A- U
/*V_interval is the interval of creation of loads, fixed or random.*/
3 l% n P2 S* r; k create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)! o. X# B a- [! J, ]
/*V_p is the parameter of the distribution.*/
8 n! W4 R! _( ~ end
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begin P_process arriving procedure4 h2 i" _+ Y1 s: t. \7 \! h! `9 Y
/*Any process the load will be in.*/
+ J4 ]* U3 x4 a8 P+ r7 l) n, A print "1 load created" to message
& q2 f( K) {: a c8 \4 dend |