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?/ `8 Y$ V: m, N+ @6 G7 q
下面的代码不知道能否满足你的要求。1 \* n L# e% J4 {1 `- s5 n
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begin model initialization function
1 B( y1 K+ O3 e create 1 load of L_null to P_creation
O: ^$ C0 K, ^3 J3 j/*L_null is a load type of which the load create loads for the model.*/
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return true3 Z: G6 B+ H8 J- ]7 k6 }: j
end
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begin P_creation arriving procedure9 W7 s' q- z& [: G8 m. Q* b
while 1 = 1 begin( k+ m: f/ o% |" m, K
wait for V_interval sec. i+ t# Q) Z* X( y
/*V_interval is the interval of creation of loads, fixed or random.*/
0 `+ _- D. c; u create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
6 V" V, y/ ^; G+ W/*V_p is the parameter of the distribution.*/6 R6 Q3 S5 I* w+ M; e9 l- o [4 o
end: |0 k$ f! p% n
end' m: @$ t2 r. t+ u, K
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begin P_process arriving procedure
' }0 r% ]3 i7 g* K* g. u& i$ d/*Any process the load will be in.*/ Y% N( N( w& d
print "1 load created" to message
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