Optimal parenthesization of a matrix-chain product

Assignment Help Data Structure & Algorithms

Reference no: EM13807064

Part I:

1. Use the dynamic programming technique to find an optimal parenthesization of a matrix-chain product whose sequence of dimensions is <5, 10, 3, 12, 5, 50, 6>.

Matrix Dimension

A1 5 * 10

A2 10*3

A3 3*12

A4 12*5

A5 5*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.

3. Using Floyd's algorithm, calculate the length of the shortest path between each pair of nodes in the graph by constructing a matrix. Give the each step of the adjacency matrix.

690_Floyd algorithm.png

Program Floyd's algorithm and use the graph of problem 3 in a driver program to test you answer.

Reference no: EM13807064

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