Title :
An ill-conditioning problem with implicit integration
Author :
Calahan, D.A. ; Gear, C.W.
Abstract :
A new instability problem associated with numerical integration of circuit equations is pointed out. A change of state variables is shown as a means of avoiding the problem.
Keywords :
Algorithm design and analysis; Automatic control; Circuit analysis computing; Differential equations; Diodes; Eigenvalues and eigenfunctions; Error correction; Gears; Jacobian matrices; State estimation;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1969.7402
