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A Fourier series (/ˈfʊrieɪ, -iər/) is an expansion of a periodic function into a sum of trigonometric functions. The Fourier series is an example of a...

An opinion poll, often simply referred to as a survey or a poll (although strictly a poll is an actual election), is a human research survey of public...

In physics, an operator is a function over a space of physical states onto another space of physical states. The simplest example of the utility of operators...

In mathematical optimization, the ellipsoid method is an iterative method for minimizing convex functions over convex sets. The ellipsoid method generates...

IBM SPSS Modeler is a data mining and text analytics software application from IBM. It is used to build predictive models and conduct other analytic tasks...

A CUR matrix approximation is a set of three matrices that, when multiplied together, closely approximate a given matrix. A CUR approximation can be used...