stability characteristic

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• Characteristic class — In mathematics, a characteristic class is a way of associating to each principal bundle on a topological space X a cohomology class of X. The cohomology class measures the extent to which the bundle is twisted particularly, whether it possesses… …   Wikipedia

• Characteristic polynomial — This article is about the characteristic polynomial of a matrix. For the characteristic polynomial of a matroid, see Matroid. For that of a graded poset, see Graded poset. In linear algebra, one associates a polynomial to every square matrix: its …   Wikipedia

• Stability (probability) — In probability theory and statistics, the stability of a family of probability distributions is an important property which basically states that if one has a number of random variates that are in the family , any linear combination of these… …   Wikipedia

• Stability theory — In mathematics, stability theory deals with the stability of solutions (or sets of solutions) for differential equations and dynamical systems. Definition Let (R, X, Φ) be a real dynamical system with R the real numbers, X a locally compact… …   Wikipedia

• Characteristic earthquakes — Almost all geology is fractal and scale invariant. That means you should always put in a scale when taking pictures of rock formations. For example, in this picture, you can’t tell if it is 6 m or 6 km across. It’s actually an ASTER satellite… …   Wikipedia

• Nyquist stability criterion — The Nyquist plot for . When designing a feedback control system, it is generally necessary to determine whether the closed loop system will be stable. An example of a destabilizing feedback control system would be a car steering system that… …   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

• Jury stability criterion — The Jury stability criterion is a method of determining the stability of a linear discrete time system by analysis of the coefficients of its characteristic polynomial. It is the discrete time analogue of the Routh Hurwitz stability criterion.… …   Wikipedia

• static stability — The characteristic of an aircraft to tend to return to its condition of straight and level flight when disturbed from this condition by an external force …   Aviation dictionary

• weaken — weaken, enfeeble, debilitate, undermine, sap, cripple, disable can mean to lose or cause to lose, strength, vigor, or energy. Weaken, the most general term of this group, most frequently implies loss of the physical strength or functional… …   New Dictionary of Synonyms

• устойчивая часть характеристики электродвигателя — stability part of a characteristic Участок характеристики электродвигателя, на котором при увеличении момента внешних сил скорость ротора падает. Шифр IFToMM: Раздел: ДИНАМИКА ПРИВОДОВ …   Теория механизмов и машин