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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,
! ?" r; l% Q# l3 K( c2 ^ 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.$ L* n0 L( S6 Z, K
Loads are processed by each operator for the following time:
4 V# _$ `& S: ~* k( a$ E Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.0 Q$ Z7 O! g0 A/ A4 }1 B' |! L) Y
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., H3 M) a9 a) X* H
Worker_C does the job in a uniformly distributed time between 30 and 90 mins.! f3 b$ Y3 z* v
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 b- h2 h% ?3 r3 d& S$ s9 U) a问题:
0 @# m2 J2 E, w; EAfter running the model for 10,000 days, what was the average number of loads in each process?1 [( j8 w ` c6 p C/ z2 u
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不胜感激! |
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