Gaussian-elimination based shooting-Newton methods, a commonly used approach for computing steady-state solutions, grow in computational complexity like N/sup 3/, where N is the number of circuitâ€¦ (More)

| In this paper we present a preconditioned recycled Krylov-subspace method to accelerate a recently developed approach for ac and noise analysis of linear periodically-varying communicationâ€¦ (More)

Designers of RF circuits such as power amplifiers, mixers, and filters make extensive use of simulation tools which perform periodic steady-state analysis and its extensions, but until the mid 1990s,â€¦ (More)

| Periodic small-signal analysis is a recently developed approach for AC and noise analysis of linear periodically-varying circuits. This paper presents several new approaches to characterizing theâ€¦ (More)

The problem of LU (Lower-Upper) decomposition of large sparse matrices occurs during the solution of a system of linear equations and is known to be a compute-intensive problem. These equations canâ€¦ (More)

In elds as diverse as electronic circuit design, uid dynamics, and structural analysis, the behavior of complex systems is modeled by large, sparsely coupled systems of di erential equations.â€¦ (More)