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?
# t( u7 B) U& z# E, w3 i下面的代码不知道能否满足你的要求。
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6 I' z5 n- W2 A% X9 vbegin model initialization function1 W& f Q; J$ W+ ?$ t7 a ?, i: m! `
create 1 load of L_null to P_creation
+ J2 Z6 r; K F' L/ {0 P, l4 I w/*L_null is a load type of which the load create loads for the model.*/
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8 @, }" k) i; C, a: r" F9 g" Z- O return true
$ w* S/ l8 B* b; Oend
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3 M, a5 t3 p6 K% i# @. r! mbegin P_creation arriving procedure5 p* h# U8 F5 z5 W% O, \
while 1 = 1 begin
) i4 d( B. a3 |* d2 ~# I wait for V_interval sec+ }& `# U4 ] h( v& q$ P' M; _
/*V_interval is the interval of creation of loads, fixed or random.*/9 G T% K2 c6 e* P$ r
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
2 o) ~' c- ]6 Q5 o/*V_p is the parameter of the distribution.*/
9 V% T! ?% f7 [ end; A: o% `; ^8 g
end
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% b8 ?) N% y6 zbegin P_process arriving procedure8 F N! {) t; t) N2 t
/*Any process the load will be in.*/
: M- D$ @# B, D- g$ Z print "1 load created" to message
: f6 Q3 }# F' m& f, c7 y) Tend |