describing-function approach

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• Characteristic function (probability theory) — The characteristic function of a uniform U(–1,1) random variable. This function is real valued because it corresponds to a random variable that is symmetric around the origin; however in general case characteristic functions may be complex valued …   Wikipedia

• Wave function — Not to be confused with the related concept of the Wave equation Some trajectories of a harmonic oscillator (a ball attached to a spring) in classical mechanics (A B) and quantum mechanics (C H). In quantum mechanics (C H), the ball has a wave… …   Wikipedia

• Smooth function — A bump function is a smooth function with compact support. In mathematical analysis, a differentiability class is a classification of functions according to the properties of their derivatives. Higher order differentiability classes correspond to …   Wikipedia

• Size function — Size functions are shape descriptors, in a geometrical/topological sense. They are functions from the half plane to the natural numbers, counting certain connected components of a topological space. They are used in pattern recognition and… …   Wikipedia

• World-systems approach — World system approach is a post Marxist view of world affairs, one of several historical and current applications of Marxism to international relations. One of the basics of the approach is its view of imperialism, which for many Marxists during… …   Wikipedia

• Maharishi Vedic Approach to Health — Claims Proponents claim that illnesses can be treated by reconnecting physiological functioning with the body s inner intelligence through reducing and eliminating impurities and imbalances. Related scientific disciplines Medicine Year proposed… …   Wikipedia

• Generalized function — In mathematics, generalized functions are objects generalizing the notion of functions. There is more than one recognised theory. Generalized functions are especially useful in making discontinuous functions more like smooth functions, and (going …   Wikipedia

• Bidirectional scattering distribution function — The definition of the BSDF (Bidirectional scattering distribution function) is not well standardized. The term was probably introduced in 1991 by Paul Heckbert ref|endnote veach1997 a. Most often it is used to name the general mathematical… …   Wikipedia

• Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol …   Wikipedia

• Kernel (computing) — A kernel connects the application software to the hardware of a computer In computing, the kernel is the main component of most computer operating systems; it is a bridge between applications and the actual data processing done at the hardware… …   Wikipedia

• Austrian School — Part of a series on Libertarianism Austrian School …   Wikipedia