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?
Z' D/ u. J1 T4 J3 s; ^1 \ W: g下面的代码不知道能否满足你的要求。% f9 H8 y6 {! U
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begin model initialization function& l. w \- J: t. n, w
create 1 load of L_null to P_creation
3 P7 u+ u' i9 ~# Y/*L_null is a load type of which the load create loads for the model.*/! t( L, v0 h# F8 G q
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return true
% o4 c1 C0 O8 Y* m, i& E$ }end
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/ I, o9 E3 i) j, e0 P) vbegin P_creation arriving procedure
/ n f$ h, \1 k# m7 w; A; ] B! K while 1 = 1 begin& j4 F, C! f. [' A2 s7 [
wait for V_interval sec
0 E) B9 k2 u- c7 x6 D$ P8 A/*V_interval is the interval of creation of loads, fixed or random.*/
. @ c' Q6 c, K! ] [/ i, V* H create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die): `! C. _2 u1 }
/*V_p is the parameter of the distribution.*/+ |# S& V1 h' v: a6 r
end4 _$ l/ u9 i6 V$ b
end
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begin P_process arriving procedure
8 S% w/ O5 @3 H- Z/*Any process the load will be in.*/
/ [/ W4 X/ P6 U' \. E print "1 load created" to message4 ?9 _1 U3 Y/ h9 q( m/ n, v
end |