reciprocal ellipsoid

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• Singular value decomposition — Visualization of the SVD of a 2 dimensional, real shearing matrix M. First, we see the unit disc in blue together with the two canonical unit vectors. We then see the action of M, which distorts the disk to an ellipse. The SVD decomposes M into… …   Wikipedia

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• Linear programming — (LP, or linear optimization) is a mathematical method for determining a way to achieve the best outcome (such as maximum profit or lowest cost) in a given mathematical model for some list of requirements represented as linear relationships.… …   Wikipedia

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• Феррерс Норман Маклеод — (Ferrers) английский математик. Родился в 1829 г. В 1854 г. получил в Кембридже степень магистра наук, там же занимал должности лектора с 1856 г., тутора с 1861 г., заведующего коллегией Гонвилля и Каюса с 1880 г. Принадлежал к духовному сословию …   Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона

• Pulay Stress — The Pulay Stress is an error that occurs in the stress tensor when using density functional theory. It comes about when trying to relax the volume of a crystal using a constant basis set.A simple example would be, if you ran a density functional… …   Wikipedia

• History of mathematics — A proof from Euclid s Elements, widely considered the most influential textbook of all time.[1] …   Wikipedia

• Newton's method — In numerical analysis, Newton s method (also known as the Newton–Raphson method), named after Isaac Newton and Joseph Raphson, is a method for finding successively better approximations to the roots (or zeroes) of a real valued function. The… …   Wikipedia