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?
G. Q, j$ n: q0 _/ j r+ ]& l下面的代码不知道能否满足你的要求。
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begin model initialization function$ R% e3 ]5 S9 r0 ^5 Q2 h, l
create 1 load of L_null to P_creation* N- I) r7 M1 g: A% L/ e, S
/*L_null is a load type of which the load create loads for the model.*/
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return true
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begin P_creation arriving procedure
' Y' l9 `. H, B: H2 Q2 F! g while 1 = 1 begin
. b1 ?8 R- W: o4 _& E; e wait for V_interval sec
; B1 k% c; L$ `8 C, Q/*V_interval is the interval of creation of loads, fixed or random.*/
, o5 Y4 A9 ~. d6 N' ?# S, | create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)9 o6 _- R7 _; _4 o( s; l$ Y7 {2 t
/*V_p is the parameter of the distribution.*/, J7 Q. Z; b+ C& ^7 Y; q
end2 P0 }* B) O. `# I1 F/ w
end
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8 |, ?2 }2 F3 L- u6 j% Q |begin P_process arriving procedure& {' d( @" K( y
/*Any process the load will be in.*/8 P8 K9 Z7 N' O# i: B
print "1 load created" to message, ?7 w: P- ~3 ?5 i* G0 }
end |