I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Abstract: Analysis of continuous-time piecewise linear systems based on piecewise quadratic (PWQ) Lyapunov functions typically requires continuity of these functions. Several conditions for ...

Abstract: The development of integrated electricity and natural-gas energy system (IEGS) aims at improving the energy efficiency and realizing complementarity between different energy sources. However ...