Suppose we have an $n×n$ matrix M, whose element in row i and column j will be denoted mij . Suppose we also have a vector v of length n, whose jth element is vj . Then the matrix-vector product is the vector x of length n, whose ith element …

Matrix Multiplication

• MapReduce is a technique in which a huge program is subdivided into small tasks and run parallelly to make computation faster, save time, and mostly used in distributed systems. It has 2 important parts: 
• Mapper: It takes raw data input and organizes into key, value pairs. For example, …