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?
r) f1 W) S1 v; O8 q' |下面的代码不知道能否满足你的要求。
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0 `* ]0 Z- t, z# H. Zbegin model initialization function6 d5 L5 \7 d# K
create 1 load of L_null to P_creation5 N/ i, l9 |1 G: Y
/*L_null is a load type of which the load create loads for the model.*/* s8 S, D' \' n* y8 \& z* \" c
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return true
5 c) V4 _6 ~8 \, S+ w. w7 nend
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begin P_creation arriving procedure
( ^% T, q8 U! Y1 W- K3 O while 1 = 1 begin
: B, @$ |, s8 l1 p9 m8 e6 G7 H wait for V_interval sec
/ {- x) l4 E5 V/*V_interval is the interval of creation of loads, fixed or random.*/
3 }/ p5 V4 O- r% p4 f create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
. M- H6 L0 q3 l W! f% j/*V_p is the parameter of the distribution.*/
" R. z1 P! O$ Q; G3 F" I end
7 ^$ n& H- x w/ aend
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' w2 f, y( R& k( L. h/ C7 f9 z; vbegin P_process arriving procedure
$ X% F+ y. [3 V* l( W4 E0 V" V/*Any process the load will be in.*/
) x8 d( z; g8 _" v print "1 load created" to message3 ?4 K1 E6 }! X* i# V6 O$ H' [
end |