sufficient criterion

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• Criterion — may refer to: Criterion, general meaning In science and mathematics: Criterion validity, in psychometrics, a measure of how well one variable or set of variables predicts an outcome Criterion referenced test, translates a test score into a… …   Wikipedia

• Sufficient statistic — In statistics, a sufficient statistic is a statistic which has the property of sufficiency with respect to a statistical model and its associated unknown parameter, meaning that no other statistic which can be calculated from the same sample… …   Wikipedia

• criterion — 1 A sufficient condition of something else. 2 A condition that may not be sufficient for another, but can be seen a priori to provide good evidence for it. Thus the fact that someone is behaving appropriately may not guarantee logically that they …   Philosophy dictionary

• Peres-Horodecki criterion — The Peres Horodecki criterion is a necessary condition, for the joint density matrix ho of two systems A and B, to be separable. It is also called the PPT criterion, for positive partial transpose . In the 2x2 and 2x3 dimensional cases the… …   Wikipedia

• Lawson criterion — In nuclear fusion research, the Lawson criterion, first derived on fusion reactors (initially classified) by John D. Lawson in 1955 and published in 1957,[1] is an important general measure of a system that defines the conditions needed for a… …   Wikipedia

• Kelly criterion — In probability theory, the Kelly criterion, or Kelly strategy or Kelly formula, or Kelly bet, is a formula used to determine to optimal size of a series of bets. Under some simplifying assumptions, the Kelly strategy will do better than any… …   Wikipedia

• Eisenstein's criterion — In mathematics, Eisenstein s criterion gives sufficient conditions for a polynomial to be irreducible over the rational numbers (or equivalently, over the integers; see Gauss s lemma). Suppose we have the following polynomial with integer… …   Wikipedia

• Routh-Hurwitz stability criterion — The Routh Hurwitz stability criterion is a necessary (and frequently sufficient) method to establish the stability of a single input, single output (SISO), linear time invariant (LTI) control system. More generally, given a polynomial, some… …   Wikipedia

• Circle criterion — In nonlinear control, the circle criterion is an important theorem in showing the stability of nonlinear time varying systems. It can be viewed as a generalization of the Nyquist stability criterion for LTI systems. Overview Consider a linear… …   Wikipedia

• Andronov-Pontryagin criterion — The Andronov–Pontryagin criterion is a necessary and sufficient condition for the stability of dynamical systems in the plane. It was derived by Aleksandr Andronov and Lev Pontryagin in 1937.tatementA vector field dot{x} = v(x) with xin… …   Wikipedia

• Lawson criterion — noun a necessary, but not sufficient condition for the achievement of sustained release of energy from a nuclear fusion reactor; that the heating effect of the reaction should exceed the losses …   Wiktionary