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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,
/ W, |6 m0 E0 u$ K4 W* ?. d 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.8 x" y8 c# Y8 n+ J' X5 a& f
Loads are processed by each operator for the following time:2 W/ i" a8 ?8 N `0 K2 @& H
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.& ~1 G7 Y$ B8 X( V* n. [
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. a) |3 H9 ^8 \ ]; d
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.: g% f! L8 {- r; }
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.( t+ L3 `0 U+ A: [+ U- z+ _6 l) Q
3 d4 M: m3 \) ^, V问题:
8 k# q F, K e9 r# a X6 wAfter running the model for 10,000 days, what was the average number of loads in each process?. r1 U; n% K3 B- c, ^- h4 s3 C
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不胜感激! |
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