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?' c) A5 W, ~' [& O8 I
下面的代码不知道能否满足你的要求。" @4 U+ n% s9 H: }/ v
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begin model initialization function0 w$ o) q/ F. [" R3 V, ]
create 1 load of L_null to P_creation, j, [' H' R, ~2 {4 G
/*L_null is a load type of which the load create loads for the model.*/6 m; s7 \" s# G% |& d* v
. T5 _8 s5 y, {4 }- t$ R$ i return true! @* M$ A2 \. E/ i2 Z
end
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begin P_creation arriving procedure
, T) t4 b8 L* S while 1 = 1 begin
5 [( U" }) D( n wait for V_interval sec+ q* m& S5 y4 U* r
/*V_interval is the interval of creation of loads, fixed or random.*/- O& |/ q7 H; a9 q
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)$ p% ~# U0 d& b# u$ a
/*V_p is the parameter of the distribution.*/
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end3 n' `3 \- r+ t `
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begin P_process arriving procedure
! O, t$ s% K2 j0 H: e/*Any process the load will be in.*/
5 s( q/ N1 T, N* L/ i print "1 load created" to message# P ^, z1 m# \" Y' y; r" T
end |