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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,
/ v" Y) D; D; ?' }: M% m 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.! p0 x8 Y& M. y0 x
Loads are processed by each operator for the following time:3 N6 G1 Y/ O, p2 p/ q
Worker_A does the job in a normally distributed time with a mean of 60 mins and a standard dev of 10 mins.6 G& T3 \6 j5 z/ u( q) {
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.
1 f( p* G. R& K1 t9 b) n E Worker_C does the job in a uniformly distributed time between 30 and 90 mins.
. h8 u6 G$ Q" n$ g$ F3 KSend 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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+ Q* S( ?' ?/ K问题:
, Y( B2 J2 ?# j' z' a. @After running the model for 10,000 days, what was the average number of loads in each process?/ H7 P o3 d3 E* p4 y! i4 |
2 `& Y$ K: P+ C" ?1 x- [) P- w
不胜感激! |
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