One of the fundamental operations in machine learning is computing the inverse of a square matrix. But not all matrices have an inverse. The most common way to check if a matrix has an inverse or not ...

The inspiration for this column comes not from the epic 1999 film The Matrix, as the title may suggest, but from an episode of Sean Carroll’s Mindscape podcast that I listened to over the summer. The ...

This is a preview. Log in through your library . Abstract Abstract. In this paper, Let the matrix 𝐴 ∈ 𝐶𝑛×𝑛 with Ind(𝐴) = 𝑘, we first construct two bordered matrices based on [32], which gave a ...