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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,
; `% ^; e* i m6 a3 j 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.
* u2 ?2 S" I, F1 p8 ` Loads are processed by each operator for the following time:4 g+ F4 \3 r' p' Z3 M
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.# w% J- n1 J- f& z
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.# O2 i7 A6 Z; V: b& M- ]
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.9 {( F$ q: n: N Z
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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8 Y3 u; x' t# u8 P" @1 M, P" E问题:
- g0 C9 m0 M4 H, t, h& h. T6 J3 @! g1 @After running the model for 10,000 days, what was the average number of loads in each process?0 X) I3 ?' V/ [* Z1 @) A, w
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不胜感激! |
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