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?+ @0 U$ v' }+ Q `
下面的代码不知道能否满足你的要求。
& B4 |* ~. o, h8 Q: u( t" C. b9 k1 h5 s' Y5 W e
begin model initialization function/ ~1 h% k" F' o
create 1 load of L_null to P_creation
5 L, D4 ^& h# _/*L_null is a load type of which the load create loads for the model.*/* b1 L* Z# @ ]& A4 P3 v
. p& c* |1 T2 Z) [
return true
" c* }+ r* l, ^3 P7 R4 m; n% Uend
3 L6 N) n" B; W) q9 S9 }' x
% r0 Z5 V# {$ p2 j4 Z/ y1 w5 |0 ^# s0 ubegin P_creation arriving procedure
/ U) i, o5 t; k8 i' b while 1 = 1 begin
q5 c/ t4 Y' ]) v( d wait for V_interval sec( g7 \, Q" U, F" y# h, b
/*V_interval is the interval of creation of loads, fixed or random.*/; ] i; c. G- P# z7 G" Y k. `
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
4 {4 [( R" L& O* X) C/*V_p is the parameter of the distribution.*/. k( j: P3 m' M1 P, B) x2 e$ d3 ?
end
b# N8 e! B+ |, d5 dend
2 |& R2 o4 y$ P }
$ a% K' N1 ^ N1 g/ Qbegin P_process arriving procedure
; n1 l/ x$ B7 t$ R0 N4 T/*Any process the load will be in.*/
7 @/ [4 z5 e1 B j8 }7 o+ R2 q print "1 load created" to message- ?1 K- a; {" a
end |