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?2 x1 n4 L( ~) l a
下面的代码不知道能否满足你的要求。
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begin model initialization function
; K7 l V5 Z5 O* ^# @& [" j5 Z create 1 load of L_null to P_creation T' q& O& h! B
/*L_null is a load type of which the load create loads for the model.*/( ^$ k3 A7 q. z z/ ^- q1 g
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return true0 x8 k, ~' }" k$ g' s$ v
end0 T: E2 K; i" E* c% Q5 `
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begin P_creation arriving procedure
( {6 i, z3 t( @; d" X4 Q0 H while 1 = 1 begin- A! _$ n. m% {6 A
wait for V_interval sec$ H# j* u: X" q, f
/*V_interval is the interval of creation of loads, fixed or random.*/, K( c; N/ v( a2 C& k
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)0 J k8 |$ _3 I% D
/*V_p is the parameter of the distribution.*/
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end8 B+ W. s a9 H, x# z! [% q
; j, S# @3 L, m3 d" Z0 S0 u5 e: sbegin P_process arriving procedure
* j% @+ ?3 E! |; y/*Any process the load will be in.*/7 b' ~1 E$ `$ r0 e3 G
print "1 load created" to message9 M- ?/ K# u4 L9 K6 K$ n& X+ ^
end |