Introduction Introduction The norm is a useful quantity which can give important information about a matrix. 命电有这女 Matrix Theory Matrix Norms -3/35Introduction Introduction ▸ The norm is a useful quantity which can give important information about a matrix. ▸ A matrix norm is a number defined in terms of the entries of the matrix. ▸ The norm of a matrix is a measure of how large its elements are. ▸ The analysis of matrix-based algorithms often requires use of matrix norms. ▸ These algorithms need a way to quantify the “size” of a matrix or the “distance” between two matrices that is not necessarily related to how many rows or columns the matrix has. Matrix Theory Matrix Norms - 3/35