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Finding the DC operating points of a nonlinear circuit is one of the most important and difficult tasks in electrical circuit simulation and thus has been an active area of research for many years. In the vast majority of circuit simulations ( e.g., SPICE and its variants) the Newton-Raphson algorithm is used. However, this algorithm is not guaranteed to converge. A better approach to finding the solution of a set of nonlinear equations is the use of a continuation method. Recent work in this field by the speaker and others has shown that proper use of a continuation method makes possible global convergence; that is, an operating point is guaranteed to be found. In this talk the following research will be discussed:
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