Engineering, 17.04.2020 23:57 maleah12x
A natural attempt of a greedy algorithm for this problem is to take the vertex with the largest weight, then delete that vertex’s neighbors (because they cannot also be in an independent set). Repeat this process until there are no more vertices which can be included. Give a counterexample which shows that this algorithm may not give an optimal solution.(b) Let a[i] denote the weight of a maximum-weight independent set when only considering the first i vertices of the path. Give the values a[1], a[2], a[3], and a[4] for the example given above.(c) Define a recursive definition of a[i]. Don’t forget the base case.(d) Give a bottom-up dynamic programming algorithm based off your recursive definition. What is the running time of your algorithm?
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Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Engineering, 04.07.2019 18:20
Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options
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Engineering, 04.07.2019 19:10
The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false
Answers: 2
Engineering, 04.07.2019 19:10
Agas is compressed from vi 0.3 m, p 1 bar to of v2 0.1 m3, p2--3 bar. pressure and volume are related linearly during the process. for the gas, find the work, in kj.
Answers: 2
A natural attempt of a greedy algorithm for this problem is to take the vertex with the largest weig...
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