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?
: y/ \, g# m m2 x+ a( u4 m) U! U下面的代码不知道能否满足你的要求。
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begin model initialization function
" w2 n, b" I6 R0 W( ?/ `( W3 a3 E create 1 load of L_null to P_creation
- z& Q; v9 H0 \- \/*L_null is a load type of which the load create loads for the model.*/) |: m7 }; X( g/ n, K l2 C0 D
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return true
7 q$ K G4 H8 F1 A( H1 s( @end5 t5 A% ?, X8 V
3 ^, z& _' H+ d, ebegin P_creation arriving procedure
5 J$ \3 b1 [. l( R n while 1 = 1 begin% @, Y; R9 }/ H1 R
wait for V_interval sec
( }4 X. e2 d+ @5 t% @/*V_interval is the interval of creation of loads, fixed or random.*/( @# f7 v! t; P& P( ]
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
+ n+ M# I. k+ i3 E& ]. x8 L/*V_p is the parameter of the distribution.*/) P9 ]6 {( h: ]" `! C
end# ~: q9 M9 b4 X% c
end
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begin P_process arriving procedure8 F! Z, G( G: P4 R* j8 I+ E- @
/*Any process the load will be in.*// B ^# L( n, o" U0 G
print "1 load created" to message, Z! F9 ?. P' C B4 d: ]
end |