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?. n1 k8 y( y- v6 w8 J) K0 m: z5 g- t) d" Q
下面的代码不知道能否满足你的要求。
2 l! F/ q B2 a# `, P6 U8 a
8 D% t/ S4 T# J) B1 X4 q9 H+ j5 ^begin model initialization function
3 Y w% O% [) _* `8 ?. u0 |$ ~ create 1 load of L_null to P_creation
; X. v3 n7 q$ D/*L_null is a load type of which the load create loads for the model.*/
) `; ?# h$ B+ q4 V! ?' F) s3 j% E
. F; T s V7 t* B- z" n- z8 c7 F return true3 b$ _1 O, _6 y8 F, W
end1 R0 S. _% S0 L3 _ P+ L) N1 ~
' U$ J, R/ z. _: V7 p/ e; {begin P_creation arriving procedure
9 X* p3 e: R/ g( [ while 1 = 1 begin
0 J g+ ]* h( I* d wait for V_interval sec
( s, a5 |, P% F3 p; R9 W/*V_interval is the interval of creation of loads, fixed or random.*/
$ _$ Q3 F* Q' S5 N( P# e7 R+ ` create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)$ P: T G# {4 {7 ?- l$ W! H# j
/*V_p is the parameter of the distribution.*/* J" r% {; [+ _: C6 K2 Y
end) y) a8 B- W' }3 f2 L
end1 B: h; h6 k1 I
. k, m$ k9 ?) @* ~ z
begin P_process arriving procedure
. n; u! }6 k) X9 x" \4 u/*Any process the load will be in.*/" p$ U2 U& h3 U
print "1 load created" to message; t, X9 r, n2 N
end |