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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,
; T5 Q* o: T" b5 V4 M0 T* _ 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 ]; W4 x k/ S& _ Loads are processed by each operator for the following time:4 [2 ^% p3 O& @- `# X
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.
7 e" p k1 N1 J" @: x6 _ 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.0 K S6 P( ^2 h
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.4 F0 b6 Z4 q. Y {
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. H) _- V! d. c/ W: d
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问题:
2 p$ e, t5 P1 W$ B1 k; d" a% GAfter running the model for 10,000 days, what was the average number of loads in each process?3 I8 C7 P6 X4 K2 R6 U$ f" Q
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不胜感激! |
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