Note that in order to add or subtract matrices, the matrices must have the same dimensions. To add or subtract matrices, perform the corresponding operation on each element of the matrices.In math, a matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.Matrices can also be used to solve systems of linear equations The magnitude of a vector formula can be used to calculate the length for any given vector and it can be denoted as v, where v denotes a vector. Matrices are often used to represent linear transformations, which are techniques for changing one set of data into another.For example, given two matrices A and B, where A is a m x p matrix and B is a p x n matrix, you can multiply them together to get a new m x n matrix C, where each element of C is the dot product of a row in A and a column in B. To multiply two matrices together the inner dimensions of the matrices shoud match.How do you multiply two matrices together?.
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