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Algorithms for ASTAP--A network-analysis program

1973; Institute of Electrical and Electronics Engineers; Volume: 20; Issue: 6 Linguagem: Inglês

10.1109/tct.1973.1083755

2374-9555

W. T. Weeks, Alberto Jose Jimenez, G.W. Mahoney, Dinesh P. Mehta, H. Qassemzadeh, T. Scott,

Low-power high-performance VLSI design

The advanced statistical analysis program (ASTAP) is a general-purpose network-analysis program which performs nonlinear transient, dc, and ac analyses and provides statistical simulation to determine the distribution of circuit outputs due to parameter variations. The program combines a user-oriented input language capable of describing completely general nonlinear devices with the latest advances in numerical and programming techniques: variable-order implicit integration, tableau formulation, and sparse-matrix solution methods. This paper describes how these techniques have been implemented in the ASTAP program. Attention is focused on the computational algorithms.