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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,
& O4 r7 x4 G- v9 S: X4 D/ Q* q 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.1 ?* P# H/ I+ ?$ h* D
Loads are processed by each operator for the following time:. \4 f! m/ a/ S, H% L
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.5 }* k1 r. G# L6 C" o/ \
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.5 T* ^/ T2 T1 ~( R- A, ]2 m9 k
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.$ f: N$ y `; Z* f! z& z+ J t
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.& W" K% C3 @! f, P- O
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问题:
" P8 M! L; j, [) b: ]' K+ HAfter running the model for 10,000 days, what was the average number of loads in each process?" ~6 e* s) @1 d9 M) J: N% e
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不胜感激! |
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