Mathematics, Optimization, Data Science, Machine Learning, Duality.
the identity matrix I*. This is because A’ is composed of the matrix A and I stacked together horizontally. Its transpose, then, is the transpose of these two matrices stacked together vertically. * Technically, the bottom matrix should be Iᵀ, but Iᵀ is the same as I. With A’ᵀ written this way, it