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?4 l6 C- n# v8 C' d% C
下面的代码不知道能否满足你的要求。
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begin model initialization function4 \0 n. ?2 m$ B( \* ^; X
create 1 load of L_null to P_creation
7 |2 \! ]2 B5 u7 x% O& W/*L_null is a load type of which the load create loads for the model.*/+ @, G% f, X; _7 w& ^; X
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return true# b: ~0 A- v5 G, e; G3 E& }
end+ B* Y" p3 `, K$ j
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begin P_creation arriving procedure7 }( @$ y r( S1 W! y
while 1 = 1 begin
) q X7 N' L, |* r9 y wait for V_interval sec
) O: ~; x3 y- l4 R) I- Q/*V_interval is the interval of creation of loads, fixed or random.*/) p- O; ?. K0 z, u: A
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)1 m6 ^& ?( u/ ]. i
/*V_p is the parameter of the distribution.*/
4 j c/ @8 v5 f end
) ~" B, }3 s. m- D+ h7 |end
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begin P_process arriving procedure
0 {. J; s5 v/ t( {4 ^/*Any process the load will be in.*/
/ u1 W6 V: m0 O* ^3 ?+ d3 C; b print "1 load created" to message1 l& f3 d3 S0 ~" E0 D
end |