نتایج جستجو برای: positive lead time

تعداد نتایج: 2690580  

2012
F. Mesquine A. Benzaouia A. Hmamed M. Benhayoun F. Tadeo

The stabilization problem for fractional linear continuous-time systems having bounded positive control is solved, with the additional condition of non negativity of the states. Thus, a methodology to develop state-feedback controllers is proposed, based on Linear Programming conditions. An illustrative example is provided to show the usefulness of the results.

2014
Chris Guiver Stuart Townley

Controllability of componentwise nonnegative discrete-time linear systems is considered. The key difference here from the well-established positive systems theory is that we permit the case where the input takes negative values, provided that the state remains nonnegative. Such a framework is very natural, moreover necessary, in situations such as population ecology to describe the control acti...

Journal: :Discrete Mathematics 2022

The tight upper bound pt+(G)≤⌈|V(G)|−Z+(G)2⌉ is established for the positive semidefinite propagation time of a graph in terms its zero forcing number. To prove this bound, two methods transforming one set into another and algorithms implementing these are presented. Consequences including Nordhaus-Gaddum sum on time, established.

Journal: :Archives of Clinical Neuropsychology 2010

Journal: :Osteoarthritis and Cartilage 2017

Journal: :Computational Statistics & Data Analysis 2010

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