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?
9 s1 _" P% ]& h下面的代码不知道能否满足你的要求。, ?' K d0 R% ~2 d, X
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begin model initialization function, n5 _9 W b, F0 I
create 1 load of L_null to P_creation7 S- }1 B) k; ?# _
/*L_null is a load type of which the load create loads for the model.*/
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% i- p5 e# Y; R' _$ H7 m1 V1 D return true
- B. s! [& r# [6 u3 ?* M/ ~end
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5 A1 [- m) \% L' I& g6 ^9 I7 T# l2 Nbegin P_creation arriving procedure6 Z5 ~ S+ M3 Z: C4 X; k
while 1 = 1 begin. r$ N! v5 M& R! K* K
wait for V_interval sec
9 M1 v) a1 i6 S/*V_interval is the interval of creation of loads, fixed or random.*/# q4 L) Z, {0 V- f
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
3 n' v7 ?# U9 ]6 ~8 b% d/*V_p is the parameter of the distribution.*/
% A# E& J$ } O, F' l end" x, X( q; U; T" O
end7 |% j6 C5 C& L: [( n# x" x4 H6 K
7 q( t, _. s4 O& Ebegin P_process arriving procedure
/ ?4 o* _! }* r" g/ t& P* {" S D/*Any process the load will be in.*/
. ?3 `8 W( ` j {( N0 g+ W( I print "1 load created" to message
% N% P1 s1 n/ g$ F, x& z; ]1 send |