Contents
- 1 Can you multiply the same matrix?
- 2 How many recursive calls are there in recursive matrix multiplication?
- 3 Which is the safest method to choose a pivot element?
- 4 What is the advantage of recursive approach than an iterative approach?
- 5 Which is an alternative algorithm for matrix multiplication?
- 6 How is cannon’s algorithm used in matrix multiplication?
Can you multiply the same matrix?
A matrix can be multiplied by any other matrix that has the same number of rows as the first has columns. I.E. A matrix with 2 columns can be multiplied by any matrix with 2 rows. So the answer to your question is, a matrix cannot be multiplied by a matrix with a different number of rows then the first has columns.
How many recursive calls are there in recursive matrix multiplication?
How many recursive calls are there in Recursive matrix multiplication by Strassen’s Method? Explanation: For the multiplication two square matrix recursively using Strassen’s Method, there are 7 recursive calls performed for high time complexity.
What is parallel matrix multiplication?
Advertisements. A matrix is a set of numerical and non-numerical data arranged in a fixed number of rows and column. Matrix multiplication is an important multiplication design in parallel computation.
What is matrix multiplication used for?
Matrix multiplication is probably the most important matrix operation. It is used widely in such areas as network theory, solution of linear systems of equations, transformation of co-ordinate systems, and population modeling, to name but a very few.
Which is the safest method to choose a pivot element?
Explanation: The best method for selecting an acceptable pivot element is median-of-three partitioning. Choosing a pivot from the first, last, or random elements is ineffective.
What is the advantage of recursive approach than an iterative approach?
1. What is the advantage of recursive approach than an iterative approach? Explanation: A recursive approach is easier to understand and contains fewer lines of code.
Which is the second recursive call in multiplymatrix?
The second recursive call of multiplyMatrix () is to change the columns and the outermost recursive call is to change rows. Below is Recursive Matrix Multiplication code.
What happens if matrix A is not multiplicative?
If matrix A and matrix B are not multiplicative compatible, then generate output “Not Possible”. Recommended: Please try your approach on {IDE} first, before moving on to the solution. It is recommended to first refer Iterative Matrix Multiplication. First check if multiplication between matrices is possible or not.
Which is an alternative algorithm for matrix multiplication?
An alternative to the iterative algorithm is the divide and conquer algorithm for matrix multiplication.
How is cannon’s algorithm used in matrix multiplication?
Cannon’s algorithm, also known as the 2D algorithm, is a communication-avoiding algorithm that partitions each input matrix into a block matrix whose elements are submatrices of size √M/3 by √M/3, where M is the size of fast memory. The naïve algorithm is then used over the block matrices, computing products of submatrices entirely in fast memory.