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?8 N- P/ L& q3 S. U! V# t
下面的代码不知道能否满足你的要求。, d# {+ ?* v7 y
0 w, p/ M7 y, I: X# m. N
begin model initialization function
, f$ {* K4 g2 l) r- x! ?( Q9 H create 1 load of L_null to P_creation
; H1 N- v$ X+ b' w5 I" [$ R/*L_null is a load type of which the load create loads for the model.*/
% c# A. k: V9 e+ B4 M& B4 g
j( x; e3 X7 z& A return true
5 f* T6 F% `" w0 k$ N. |0 Nend
9 D6 S# z2 G1 s" y7 q7 v
4 F k D x& M/ A$ W! l4 ?begin P_creation arriving procedure; y; r3 Z7 T0 R0 o
while 1 = 1 begin- |, p+ s& X1 F$ V
wait for V_interval sec/ W3 i5 p$ I, f$ p! y
/*V_interval is the interval of creation of loads, fixed or random.*/
' o2 [9 O8 S2 k4 V ` create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)5 n! w/ F; w( n
/*V_p is the parameter of the distribution.*/6 h5 F5 t/ J$ T# a* T7 Y% p
end: i: T1 N+ V Z! @9 H
end6 ]4 m& ]3 V. v$ I t' ^- q1 t
/ }/ P" ]8 q1 e5 `3 I& j
begin P_process arriving procedure2 a6 `, [# f; P) M" I& ^
/*Any process the load will be in.*/
$ e" r1 o, y* Z7 v print "1 load created" to message) ?9 C0 i, [* m4 s9 [9 x6 ?
end |