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?- d S3 M- s" X+ X
下面的代码不知道能否满足你的要求。
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% Y) r8 _, Z- B, {& w( Jbegin model initialization function, q! V( k; \, Y/ n+ w: c1 X1 {+ u
create 1 load of L_null to P_creation
& m, r( R; ?8 s( c( Q. m8 f8 N/*L_null is a load type of which the load create loads for the model.*/
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return true: J& Z# Y+ H/ j$ r3 c, p% M
end
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: Y& P2 o9 ~7 F9 ~" z1 o. o5 Ybegin P_creation arriving procedure3 x- Q: |) U; P( M" t9 r
while 1 = 1 begin
' h# o B5 ?2 a) ^ wait for V_interval sec# ]% d* Q4 j- r% S1 v% ?6 y
/*V_interval is the interval of creation of loads, fixed or random.*/" X. L! a( N! z! ?( D) \
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)+ ~" \* X' X( ^& j2 y$ y+ g( f
/*V_p is the parameter of the distribution.*/4 P& a0 A3 u* Y/ f, o
end
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begin P_process arriving procedure3 W/ l K1 ]+ {9 }1 E2 @) N2 Z0 P
/*Any process the load will be in.*/+ Y8 K; d f6 X, d0 z
print "1 load created" to message
' p. ]' F9 N3 Oend |