However, that is not correct; you would come up with that answer if you did the problem from left to right, which is how reading is taught correctly, but not math equations such as this one. 18 was by ...

Abstract: In this tutorial we briefly review the fundamentals of analog computing. Starting from the historical use of operational amplifiers to solve differential equations, we show how today the ...

Abstract: LaSalle’s invariance principle is a commonly used extension of Lyapunov’s second method to study asymptotic stability of nonlinear systems. If the system can be written in polynomial form, ...