Question
1. Use the dynamic programming technique to find an optimal parenthesization of a matrix-chain product whose sequence of dimensions is <5, 8, 4, 10, 7,
1. Use the dynamic programming technique to find an optimal parenthesization of a matrix-chain product whose sequence of dimensions is <5, 8, 4, 10, 7, 50, 6>.
Matrix Dimension
A1 5*8
A2 8*4
A3 4*10
A4 10*7
A5 7*50
A6 50*6
You may do this either by implementing the MATRIX-CHAIN-ORDER algorithm in the text or by simulating the algorithm by hand. In either case, show the dynamic programming tables at the end of the computation.
2. We have 5 objects, and the weights and values are
No. 1 2 3 4 5 w 10 20 30 40 50 v 20 30 66 40 60
The knapsack can carry a weight not exceeding 100, find a subset items and give the total weight and value for following algorithms:
1) By using the algorithm of greedy of value for 0-1 knapsack problem? By selecting the highest value first.
2) By using the algorithm of greedy of weight for 0-1 knapsack problem? By selecting lightest item first.
3) By using the algorithm of greedy of density for 0-1 knapsack problem? By selecting the highest density item first.
4) By using the algorithm of greedy of density for fractional knapsack problem? By selecting the highest density item first.
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