Abstract
In a recent article in this Journal, Porter (1969 a) described a simple and attractive alternative procedure for synthesizing a linear feedback control law which will realize a certain pre-selected closed-loop eigenvalue pattern for a linear dynamical system. The purpose of the present note is to investigate the conditions for applicability of Porter's method. In addition, another method is proposed.
Notes
†Communicated by the Author. This research was supported by the U.S. Army Missile Command under Contract No. DAAH01-69-C-0824.