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?
1 v9 s# i' K4 g9 a3 `7 m下面的代码不知道能否满足你的要求。$ X! L' k* b( U/ }% `
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begin model initialization function3 C+ _, h, A, {& D7 }
create 1 load of L_null to P_creation
* G% ]0 U! ]/ q1 i7 u; p( }/*L_null is a load type of which the load create loads for the model.*/# J% |' @7 p3 D* ^9 r7 M# U
- p$ K/ L) s, F' `& F N, z; l return true
/ C; b' o; z% M- W2 p3 yend
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begin P_creation arriving procedure
" t: q. s8 s9 {5 }% e" f while 1 = 1 begin% d+ L8 f. ~: U9 ` J+ x- e
wait for V_interval sec+ v# `% C% z# o
/*V_interval is the interval of creation of loads, fixed or random.*/
7 {' U0 s/ H9 a create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
+ b; d7 W2 {5 f" ]6 Y; I/*V_p is the parameter of the distribution.*/2 U6 c O( C; }' H* H$ M5 y+ W
end- f6 y5 H/ V$ U# P6 J0 I
end
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8 {' m9 f2 M# r2 jbegin P_process arriving procedure" `! ?6 @ L2 e4 R& m" e
/*Any process the load will be in.*/# w3 v" T+ F% {/ k' q) j
print "1 load created" to message
, j1 V$ F( N6 S( w _end |