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?
6 G/ |* m! J7 z' ]7 H下面的代码不知道能否满足你的要求。
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begin model initialization function2 z* ~' x# t9 u0 @
create 1 load of L_null to P_creation
" W0 F2 t7 D% t {' ^" E: {/*L_null is a load type of which the load create loads for the model.*/
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return true8 b0 B! \) T# O* _
end
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8 ?/ L) j# k, I. o" lbegin P_creation arriving procedure* }1 e! @, M2 P! V T* q7 ?
while 1 = 1 begin
, C, m4 b' C% ]: L) g, Q, e. h wait for V_interval sec" A- F- d& |8 i7 G" o. h
/*V_interval is the interval of creation of loads, fixed or random.*/
) k2 {4 ^4 O3 w5 q( q create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
; ~* r$ N8 n4 f/*V_p is the parameter of the distribution.*/
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begin P_process arriving procedure
7 j# @' |; U( x/*Any process the load will be in.*/5 r: M. i3 I& U) |- {: L- q9 e# C
print "1 load created" to message; `; E; s/ a8 t
end |