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relative sum

См. также в других словарях:

  • Relative density — Relative density, sometimes called specific density, is the ratio of the density of a substance to the density of a given reference material. If a substance s relative density is less than one then it is less dense than the reference; if greater… …   Wikipedia

  • Relative wind — in aeronautics= In aeronautics, the relative wind is the direction of airflow over the airfoil, i.e. in vector terms it is the vector sum of the ambient air past the aircraft: Most usefully, it is the direction of the air over the aircraft s… …   Wikipedia

  • Relative gain (international relations) — Relative gain, in international relations, describes the actions of states only in respect to power balances and without regard to other factors, such as economics. In international relations, cooperation may be necessary to balance power, but… …   Wikipedia

  • Relative strength index — The Relative Strength Index (RSI) is a financial technical analysis oscillator showing price strength by comparing upward and downward close to close movements.The RSI is popular because it is relatively easy to interpret. It was developed by J.… …   Wikipedia

  • Relative homology — In algebraic topology, a branch of mathematics, the (singular) homology of a topological space relative to a subspace is a construction in singular homology, for pairs of spaces. The relative homology is useful and important in several ways.… …   Wikipedia

  • Relative velocity — In kinematics, relative velocity is the vector difference between the velocities of two objects, as evaluated in terms of a single coordinate system, usually an inertial frame of reference unless specifically stated otherwise.For example, if the… …   Wikipedia

  • Relative permeability — In multiphase flow in porous media, relative permeability is a dimensionless measure of the effective permeability of each phase. It can be viewed as an adaptation of Darcy s law to multiphase flow. For two phase flow in porous media given steady …   Wikipedia

  • relative molecular mass — noun (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule • Syn: ↑molecular weight • Topics: ↑chemistry, ↑chemical science • Hypernyms: ↑mass * * * …   Useful english dictionary

  • Luminance (relative) — Relative luminance follows the photometric definition of luminance, but with the values normalized to 1 or 100 for a reference white [cite book | author = Poynton, Charles | title = Digital Video and HDTV: Algorithms and Interfaces | isbn = 1… …   Wikipedia

  • Kloosterman sum — In mathematics, a Kloosterman sum is a particular kind of exponential sum. Let a , b , m be natural numbers. Then :K(a,b;m)=sum {0leq xleq m 1, gcd(x,m)=1 } e^{2pi i (ax+bx^*)/m},Here x* is the inverse of x modulo m . They are named for the Dutch …   Wikipedia

  • Quantum relative entropy — In quantum information theory, quantum relative entropy is a measure of distinguishability between two quantum states. It is the quantum mechanical analog of relative entropy. Motivation For simplicity, it will be assumed that all objects in the… …   Wikipedia

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