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?
7 o" g1 |- K, e, _0 }( t下面的代码不知道能否满足你的要求。
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begin model initialization function: [1 T" Q8 f3 ?1 z, H% N/ V
create 1 load of L_null to P_creation
& L2 \; W7 _$ _/*L_null is a load type of which the load create loads for the model.*/% ^5 s2 g8 e; k* M1 ^0 ~7 o( `9 U
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return true
! ^5 \( Y/ R7 z" Z1 kend
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* L0 c! z0 ~9 {! @# S- N$ X wbegin P_creation arriving procedure
9 \2 N6 V- O( ~$ B* K( y1 _ while 1 = 1 begin
5 y0 E- ^3 X( ~' c7 X/ z wait for V_interval sec# i" q8 p Y+ Y4 ~ }
/*V_interval is the interval of creation of loads, fixed or random.*/
( G: b3 Z6 ^, p0 {% C# x9 \ create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)/ Y( D' ?" F, }7 l& `$ l- Y/ P
/*V_p is the parameter of the distribution.*/+ V0 j9 w* l4 @$ ^. q) `- e/ n
end
: S5 f- Q: ?3 D, e$ h% Gend
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begin P_process arriving procedure
, y& G( t4 s8 O! T# O5 W, E/*Any process the load will be in.*/6 x4 K' Z8 @2 ^
print "1 load created" to message9 k4 g+ N! W5 {8 g* T5 ~& w& F
end |