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 H! I+ O& a6 j! P& b
下面的代码不知道能否满足你的要求。7 y3 N' u% \& _8 w6 n
& ^; L$ v7 T; J9 ~ C7 Cbegin model initialization function
/ ^4 w1 ^ A; p create 1 load of L_null to P_creation0 p. b1 ?+ ?" X: n4 p0 W4 I
/*L_null is a load type of which the load create loads for the model.*/
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return true
9 T5 S4 _9 b9 {: A% Z( @2 r* xend4 H- a z- [; d7 m
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begin P_creation arriving procedure
- K8 W v% t! [$ V/ Q, D while 1 = 1 begin
3 Z. p) m" v- x0 F' J, J wait for V_interval sec
5 r- [9 L: G* Z; w/*V_interval is the interval of creation of loads, fixed or random.*/, ^1 _" |; x, U
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
% h/ G9 o8 v- I/*V_p is the parameter of the distribution.*/
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end- w2 y `) U B
7 |" K+ s: s+ b5 @, j- m7 tbegin P_process arriving procedure& r l1 _4 y7 G
/*Any process the load will be in.*/
$ P+ ?" F- c* }6 _0 x _! d print "1 load created" to message! c0 ?7 }) V' J6 d, M9 R
end |