Abstract: Even though the task of multiplying matrices appears to be rather straightforward, it can be quite challenging in practice. Many researchers have focused on how to effectively multiply two 2 ...

GNP (Chen 2025) is a general-purpose (a.k.a. algebraic) preconditioner in the form of a graph neural network. As a nonlinear operator, it approximates $\mathbf{A}^{-1}$ and can be used together with a ...

Maths 12th Matrices MCQs: The Central Board of Secondary Education (CBSE) conducts the annual board exams for class 12, and it is considered one of the most important tests a student will face in ...