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can you solve this ( a ) Give a short description of tabu search. In your description the notions of a legal neighbour, a tabu

can you solve this (a) Give a short description of tabu search. In your description the notions of
a legal neighbour, a tabu list and an aspiration level should be mentioned.
(b) Consider the graph H in Figure 1. The 2-PATH PROBLEM is the problem of
finding a minimum weight path with two edges. Let dab be an initial solution
for the 2-PATH PROBLEM on H. Using the swap neighbourhood perform four
iterations of the basic tabu search algorithm to improve the initial solution.
The tabu times for deleted and added edges are 2 and 1, respectivelv. For
each iteration, give the corresponding path and all tabu times.
(c) Let G be a bipartite graph with vertices
V(G)={1,2,3,4,5,1',2',3',4',5'}
and edges
E(G)={11',13',15',21',22',32',43',51',54'}.
Starting from the matching M={11',22',43',54'} of G, find a maximum
matching of G.
(d) Describe the patching algorithm for the Asymmetric TSP. Describe, in par-
ticular, how to compute the cheapest collection of disjoint cycles covering all
the vertices and how to find the cheapest patching of two cycles. What is
the running time of the patching algorithm?
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