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?
5 i- Z! ?/ b, Y% o. r- X下面的代码不知道能否满足你的要求。
, k% q& t( e1 U6 _. D1 G; ~
$ y! A/ q; b( ]. z7 N2 A9 d Abegin model initialization function
, u: F0 i5 q: o create 1 load of L_null to P_creation
8 y* J1 j% Y( Y9 H2 K v4 x/*L_null is a load type of which the load create loads for the model.*/
6 a! v* K! t) O) s+ i- t$ V M7 h7 x$ I7 Y3 z4 n6 B9 v# ?3 j
return true( l% d" P! }8 ~
end) l+ N: }7 L; A! [
+ k, f8 g& c9 N' L% N3 F
begin P_creation arriving procedure
3 c( Q* s5 V. A, E+ h while 1 = 1 begin
, b, r) J/ k6 j* @2 P% o wait for V_interval sec+ y$ l7 W- @4 _5 O6 F2 E5 d; c
/*V_interval is the interval of creation of loads, fixed or random.*/- N4 g6 P. F A9 @ p: Z6 W0 O' W
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)- B, j! Z; s& J7 x
/*V_p is the parameter of the distribution.*/
+ M/ j g2 \/ F ~ end. a @0 v- f; s4 {, W, f3 Y7 l
end5 g1 s% ^- G6 G3 W7 V) ?, \+ p
. ^0 \% g5 B% ~& b0 Bbegin P_process arriving procedure
# a- [& t6 m# }/*Any process the load will be in.*/
' F1 q, d8 r- F0 A print "1 load created" to message
& o7 A' ~0 {4 T& @0 Lend |