AI is increasingly prevalent in our daily lives, and this trend is unlikely to change anytime soon. This comes with risks, but by understanding these risks, we can build AI systems that mitigate them.
A previous article discusses covariance matrices that have the same set of eigenvalues. The set of eigenvalues is called the spectrum of the matrix. For symmetric matrices, the spectrum contains real numbers. For covariance matrices, which are positive semidefinite, the eigenvalues are nonnegative. It turns out that two symmetric matrices
Rising fraud and shrinking staff signal an urgent need for AI in government Have you ever opened your wallet and felt panicked? You count the bills once, twice and still come up short. You rummage through every pocket, hoping to find that missing cash. Then, a thought crosses your mind,
