Matrix Inverse
An invertible matrix must be a square matrix: The formula is: B = A−1 Non-square matrices (m-by-n matrices for which m ≠ n}}) do …
Tag: matrix
Matrix Multiplications
Four possible perspectives(ways) to produce matrix multiplications(which give the same result): Ordered Collection of Dot Products (result matrix is built elementwise): Left matrix is rows, …
Computing an Inverse of a Matrix
A square matrix that is not invertible is called singular or degenerate. A square matrix is singular if and only if its determinant is 0. …
Matrix Ranking
Rank is a single non-negative integer number that represents the number of dimensions of information in the matrix, and is a property of the whole …