root plane

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• root plane — šaknų plokštuma statusas T sritis automatika atitikmenys: angl. root plane vok. Wurzelebene, f rus. плоскость корней, f pranc. plan des racines, m …   Automatikos terminų žodynas

• Root locus — In control theory, the root locus is the locus of the poles and zeros of a transfer function as the system gain K is varied on some interval. The root locus is a useful tool for analyzing single input single output (SISO) linear dynamic systems.… …   Wikipedia

• Root of unity — The 5th roots of unity in the complex plane In mathematics, a root of unity, or de Moivre number, is any complex number that equals 1 when raised to some integer power n. Roots of unity are used in many branches of mathematics, and are especially …   Wikipedia

• Root system — This article discusses root systems in mathematics. For root systems of plants, see root. Lie groups …   Wikipedia

• plane — {{11}}plane (n.1) flat surface, c.1600, from L. plantum flat surface, properly neuter of adjective planus flat, level, plain, clear, from PIE *pla no (Cf. Lith. plonas thin; Celtic *lanon plain; perhaps also Gk. pelanos sacrificial cake, a… …   Etymology dictionary

• 2008 Georgian spy plane shootdowns — Infobox Military Conflict conflict=2008 Georgian spy plane shootdowns partof= Georgian Abkhazian conflict caption= date=March 8, April 20, May 4, 8, 12, 2008 place=Ochamchira and Gali districts, Abkhazia casus= territory= result=Aggravation of… …   Wikipedia

• nth root — In mathematics, the nth root of a number x is a number r which, when raised to the power of n, equals x rn = x, where n is the degree of the root. A root of degree 2 is usually called a square root and a root of degree 3, a cube root. For example …   Wikipedia

• Complex plane — Geometric representation of z and its conjugate in the complex plane. The distance along the light blue line from the origin to the point z is the modulus or absolute value of z. The angle φ is the argument of z. In mathematics …   Wikipedia

• Square root — Measured fall time of a small steel sphere falling from various heights. The data is in good agreement with the predicted fall time of , where h is the height and g is the acceleration of gravity. In mathematics, a square root of a number x is a… …   Wikipedia

• Cube root — Plot of y = for . Complete plot is symmetric with respect to origin, as it is an odd function. At x = 0 this graph has a vertical tangent. In mathematics, a cube root of a number, denoted …   Wikipedia

• Oval (projective plane) — In mathematics, an oval in a projective plane is a set of points, no three collinear, such that there is a unique tangent line at each point (a tangent line is defined as a line meeting the point set at only one point, also known as a 1 secant).… …   Wikipedia