Costs of Arbitrary Real Matrix Factorizations for Pure-DP Continual Counting

Awnon Bhowmik, Mahmudul Hasan

Let $T_n$ be the lower-triangular prefix-sum matrix and let $c_{\mathrm{F}}(T_n)$ and $c_2(T_n)$ be the factorization costs that govern the mean and maximum per-coordinate squared…