An efficient parallel direct solver with a new pivoting scheme is presented for solving impedance matrix equations generated by the higher-order method of moments in high-frequency electromagnetic ...

This paper proposes a novel non-iterative method to solve power system differential algebraic equations (DAEs) using the differential transformation, which is a mathematical tool able to obtain power ...

It's to check if you can use basic rules to solve difficult problems. This shows if you're ready for ... Complex numbers; Linear and Quadratic equations; Sequences and Series; Trigonometry; Cartesian ...