Recent questions tagged matrix-chain-ordering

+1 vote

1 answer

1

self doubt
Is there any shortcut or Trick to get min number of multiplication faster? I mean if we could know the right split.

asked Dec 8, 2018 in Algorithms by Nivedita Singh (29 points) | 92 views

+2 votes

1 answer

2

Algorithms - Matrix Chain Ordering
How to understand the nesting of for loops in these algorithms like which for loop comes under the other ?

asked Jul 23, 2018 in Algorithms by Prince Sindhiya Loyal (5.4k points) | 37 views

0 votes

2 answers

3

Matrix multiplications
Let A1, A2, A3, A4, A5 be five matrices of dimensions 2×3, 3×5, 5×2, 2×4, 4×3 respectively. The minimum number of scalar multiplications required to find the product A1 A2 A3 A4 A5 using the basic matrix multiplication method is_____

asked Dec 10, 2017 in Algorithms by Parshu gate Active (3.1k points) | 661 views

+1 vote

1 answer

4

Matrix chain multiplication
Which of the following is the recurrence relation for the matrix chain multiplication problem where p[i-1]*p[i] gives the dimension of the i^th matrix? dp[i,j]=1 if i=j dp[i,j]=min{dp[i,k]+dp[k+1,j]} dp[i,j]=1 if i=j dp[i,j]=min{dp[i,k]+dp[k+1,j]}+p[i-1]*p[k]*p[j] dp[i,j]= ... dp[i,j]=min{dp[i,k]+dp[k+1,j]} dp[i,j]=0 if i=j dp[i,j]=min{dp[i,k]+dp[k+1,j]}+p[i-1]*p[k]*p[j]

asked Nov 27, 2017 in Algorithms by Parshu gate Active (3.1k points) | 635 views

+1 vote

2 answers

5

Virtual Gate Test Series: Algorithms - Matrix Chain Ordering
Consider the following chain of matrices $A_{1}$ to $A_{4}$ having dimensions given below $A_{1}\rightarrow 2\times 3$ $A_{2}\rightarrow 3\times 5$ $A_{3}\rightarrow 5\times 4$ $A_{4}\rightarrow 4\times 2$ The following table is filled ... of scalar multiplications$:$ What are the values of $P$ and $Q?$ $60,140$ $60,82$ $60,40$ $60,92$

asked Dec 30, 2016 in Algorithms by firki lama Junior (645 points) | 297 views

+1 vote

0 answers

6

No of multiplications

asked Dec 15, 2016 in Algorithms by santhoshdevulapally Boss (12.7k points) | 135 views

0 votes

1 answer

7

matrix multiplication

asked Oct 26, 2016 in Algorithms by jenny101 Active (1.1k points) | 358 views

0 votes

0 answers

8

UGCNET-Sep2013-III-39
The number of possible paranthesizations of a sequence of n matrices is O(n) $\theta$(n Ig n) $\Omega(2^n)$ None of the above

asked Jul 24, 2016 in Algorithms by jothee Veteran (96.1k points) | 294 views

+2 votes

4 answers

9

Find he minimum number of scalar multiplications in matrix multiplication
Four matrices M1, M2, M3, and M4 have dimensions p x q, q x r, r x s, and s x t respectively can be multiplied in several ways with different number of total scalar multiplications. For example, when multiplied as ((M1 x M2 ... 100, r = 20, s = 5, and t = 80, then what is the minimum number of scalar multiplications needed ?

asked Jul 12, 2016 in Algorithms by sh!va Boss (31.8k points) | 5.7k views

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