Celestin A. Nse  , 
    On the Minimum Energy of a Linear Discrete Neutral System with Delayed Control,
    Journal of Engineering and Applied Sciences,
    Volume 2,Issue 7,
    2007,
    Pages 1232-1235,
    ISSN 1816-949x,
    jeasci.2007.1232.1235,
    (https://makhillpublications.co/view-article.php?doi=jeasci.2007.1232.1235)
    Abstract: Criteria for existence and the form of an optimal control are presented. It is shown that if the discrete system is relatively null controllable with constraints, the optimal control that drives the system to the origin of E<SUP>n</SUP> is unique and Bang-Bang.
    Keywords: Minimum energy;linear;discrete neutral system;delay control