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刚刚开始学auto mod,这道题目搞不明白,希望大家看看 题目是这样的,
1 {# ?* O( G, S# [ Create a new model containing three independent processes, each with one operator. In each process, loads first move into an infinite capacity waiting queue, then into a single-capacity processing queue.# ]$ _3 O2 u& x+ p4 r- ?
Loads are processed by each operator for the following time:
' N$ w4 o9 v$ {. Q Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.$ t1 m) p+ Q- B6 k* u" t
Worker_B does the job according to a triangular distribution with a min of 30 mins, most likely value of 60 mins, and a max of 90 mins.
- o1 [- e2 c/ s/ ?- C1 c w7 _2 J Worker_C does the job in a uniformly distributed time between 30 and 90 mins." R/ }# ?3 C$ H
Send loads to each pocess at the same rate (an exponentially distributed inter-arrival time with a mean of 68 mins) to understand the difference in the processing times of the three workers.
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问题:
% e# @. Z0 n) BAfter running the model for 10,000 days, what was the average number of loads in each process?6 [. l3 x& X' G+ Y' K
- }6 i1 S; C2 j
不胜感激! |
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