Linear Algebra, Matrix, Linear System, Basics, Dot Product.
of a matrix as a set of column vectors or row vectors. That is, if A is a matrix Mm x n, A is made by n column vectors: Or A is made of m row vectors: a) Matrix-vector product: Let and . We define the product of matrix A by vector x (Ax ∈ ℝ), by That is, the matrix-vector product is a linear