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?
; o" J0 A/ t" H; C, X/ A: R& A下面的代码不知道能否满足你的要求。
9 b) ? m& E7 c" E$ S; N8 s, J0 p% ], X3 N9 j! P( F7 Q
begin model initialization function/ R3 C: ? s, Q, D
create 1 load of L_null to P_creation, ~5 Q4 R- d4 x t, ~
/*L_null is a load type of which the load create loads for the model.*/
4 }3 h; a2 X7 |* J8 h m e& c+ [/ k- A" O7 h
return true
6 c) r, Z @2 h5 Y" Eend
6 f+ |8 ]! C! L% P* L# u3 h9 d# R: F/ j- T7 J7 g0 o
begin P_creation arriving procedure( T0 V" f2 T0 Z+ [' y
while 1 = 1 begin
& m, q$ a4 G' A7 I- a5 ~8 \ wait for V_interval sec
; i" C0 L1 y* x4 |1 _/*V_interval is the interval of creation of loads, fixed or random.*/& u+ {- c- X2 r8 n. A- ]
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
" Z# L8 X7 c7 w4 P- X. S( ?/*V_p is the parameter of the distribution.*/
. P+ w% l! U$ u! H" p& q5 Y end9 g& A( J. { p6 o) E
end
; |% Z6 j4 u8 ?! {. W, U t; C6 E, ~* w7 T* i7 b9 r& w
begin P_process arriving procedure t/ c/ ?2 x6 ~' ]+ |
/*Any process the load will be in.*/
+ S9 j! s( L* o6 C1 r/ e8 ^/ b print "1 load created" to message
. e8 n4 y4 \/ z+ q9 U1 [! e& h3 U( q( e5 `end |