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matrix multiplication

A collection of 4 posts

matrix multiplication

Cannon’s algorithm for distributed matrix multiplication

Cannon's algorithm is a distributed algorithm for matrix multiplication for two-dimensional meshes. It is especially suitable for computers laid out in an N × N mesh. The main advantage of the algorithm is that its storage requirements remain constant and are independent of the number of processors.

Kyatham Srikanth Kyatham Srikanth
matrix multiplication

Freivalds’ algorithm for verifying Matrix Multiplication

Freivalds' algorithm is a probabilistic randomized algorithm used to verify matrix multiplication. Given three n x n matrices, Freivalds' algorithm determines in O(kn^2) whether the matrices are equal for a chosen k value with a probability of failure less than 2^-k.

Kyatham Srikanth Kyatham Srikanth
matrix multiplication

Russian peasant multiplication algorithm

Russian peasant multiplication is an interesting way to multiply numbers that uses a process of halving and doubling without using multiplication operator. The idea is to double the first number and halve the second number repeatedly till the second number doesn’t become 1

Kyatham Srikanth Kyatham Srikanth
matrix multiplication

Strassen’s Matrix Multiplication algorithm

Strassen’s Matrix Multiplication algorithm is the first algorithm to prove that matrix multiplication can be done at a time faster than O(N^3). It utilizes the strategy of divide and conquer to reduce the number of recursive multiplication calls from 8 to 7 and hence, the improvement.

Kyatham Srikanth Kyatham Srikanth
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