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?& J5 `* i, |, v: \5 s) y1 s
下面的代码不知道能否满足你的要求。 ~+ G; Z; f4 I, B/ ^ I/ r# C
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begin model initialization function
9 `) f/ B# J6 F/ {4 m/ o# W& j create 1 load of L_null to P_creation
9 x6 U2 D: `% {$ @8 \) Z& ?/*L_null is a load type of which the load create loads for the model.*/% U( ]9 N: Y) R3 [$ `
# i* Z8 G! S0 L+ x* W return true
; A9 y( i2 \* k) qend
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5 e4 v6 ?7 f" ?) T: _begin P_creation arriving procedure
4 _- }8 T, V* j% N while 1 = 1 begin
% |' s6 x4 N! H9 @ wait for V_interval sec
9 G* ?, m: W1 b8 n- q2 D/*V_interval is the interval of creation of loads, fixed or random.*/) E, i, x g( J. C
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)4 Y& s$ D$ w/ N7 j9 g
/*V_p is the parameter of the distribution.*/+ g: b& V/ P. a/ E, E( N
end0 k+ u6 d9 _* N- \+ @
end
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6 d. f( R3 X# L$ ?( [9 abegin P_process arriving procedure- t& W( {9 N# j3 t2 k [' W
/*Any process the load will be in.*/
8 t2 N# q( ^$ Q0 ^4 F) S print "1 load created" to message* h& O7 c' E$ P& d
end |