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?
4 |. U/ s/ I1 {, R# d下面的代码不知道能否满足你的要求。
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+ b, k' h4 g* O( h2 d8 Ebegin model initialization function
" }/ W& m& i3 |* e create 1 load of L_null to P_creation
4 F4 O" U" M5 x- `! {$ a) U- n- r3 ]/*L_null is a load type of which the load create loads for the model.*/4 d9 l4 {0 Q% m9 M+ R
' P5 d( j) Z: w& M; q7 q6 ?& c return true
6 {! m+ P8 P6 F8 g6 R! H% M( Y; yend& d' z, i1 g3 `0 }4 t
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begin P_creation arriving procedure3 E' O& L, g! i$ t/ Q& O
while 1 = 1 begin
. I5 F9 F3 X% U( L, K( p/ m3 h6 q wait for V_interval sec
1 u2 J& Q. E6 n: @( _, }- \/*V_interval is the interval of creation of loads, fixed or random.*/
! H$ g1 H6 [# y& y4 \# o: i create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)4 k# R4 S, z9 @; A/ C$ L
/*V_p is the parameter of the distribution.*/
, Z+ N+ N5 O$ g end
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begin P_process arriving procedure4 n# B* [. i$ o/ Z8 a9 a6 h
/*Any process the load will be in.*/" k( n5 h4 D8 h
print "1 load created" to message1 j+ v( w$ _6 D
end |