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?
1 ?/ a! J& K O) `# _, ~ r* o; a下面的代码不知道能否满足你的要求。7 c# _5 l T$ j1 g! A$ \
$ r' o- x/ }; c$ f( O0 ?, p' M/ g" x. Pbegin model initialization function' q$ R9 H0 G' {8 T
create 1 load of L_null to P_creation; ^7 @8 [4 g) z" q
/*L_null is a load type of which the load create loads for the model.*/, ^5 U E; z6 d! r
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return true
7 n7 ~# ~1 O' \1 j2 e4 p+ mend! P3 J) L: `7 A3 X7 N+ }
0 B8 }; G( M* k# {4 q* }. Wbegin P_creation arriving procedure
- B6 }/ A( l* ]# h3 q while 1 = 1 begin
, i# e* {- ?2 J0 r: R4 j wait for V_interval sec7 ~% Z5 m. n0 v- |* ]
/*V_interval is the interval of creation of loads, fixed or random.*/
( q8 Y8 o5 B' O% T- V3 g' A create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
# r) v& x6 f2 A; u7 f/*V_p is the parameter of the distribution.*/" ?* e& G7 P" R! f5 N7 e
end! K& t) c k) b, y1 e F! }0 W
end4 B) b* X) d7 i$ D' |9 P
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begin P_process arriving procedure3 ~' }9 g$ y F5 [/ j: y
/*Any process the load will be in.*/' T' {7 z6 ]! u) y) h+ S, t
print "1 load created" to message9 d# A- e! @) m8 \
end |