This is an old revision of this page, as edited by Dougsim(talk | contribs) at 17:54, 4 September 2017(Made into a rediect page, as the topic is fully covered in control theory, and the title actually implies it is a part of control theory, so not need to duplicate here.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 17:54, 4 September 2017 by Dougsim(talk | contribs)(Made into a rediect page, as the topic is fully covered in control theory, and the title actually implies it is a part of control theory, so not need to duplicate here.)