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Sufficient Conditions for Iterated Timing Analysis to Converge Locally

Kiichi URAHAMA

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Summary :

This paper investigates the convergence property of a circuit simulation technique called an iterated timing analysis. A block strictly row-wise or column-wise diagonal dominant matrix is defined, and these matrices are shown to be nonsingular. In addition, both block Jacobi method and block Gauss-Seidel iteration are proved to converge for the equation whose coefficient matrix is one of these matrices. On the bases of these results, the following two sufficient conditions for the iterated timing analysis to converge locally are given: ) the capacitance matrix of the circuit is block strictly row-wise or column-wise diagonally dominant and a time step is sufficiently small, ) the conductance matrix of the circuit has the same property and a time step is sufficiently large.

Publication
IEICE TRANSACTIONS on transactions Vol.E69-E No.12 pp.1289-1293
Publication Date
1986/12/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Circuit Theory

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