underdetermined concept

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• Ambiguity — Sir John Tenniel s illustration of the Caterpillar for Lewis Carroll s Alice s Adventures in Wonderland is noted for its ambiguous central figure, whose head can be viewed as being a human male s face with a pointed nose and pointy chin or being… …   Wikipedia

• Overdetermined system — For the philosophical term, see overdetermination. In mathematics, a system of linear equations is considered overdetermined if there are more equations than unknowns.[1] The terminology can be described in terms of the concept of counting… …   Wikipedia

• Many-valued logic — In logic, a many valued logic (also multi or multiple valued logic) is a propositional calculus in which there are more than two truth values. Traditionally, in Aristotle s logical calculus, there were only two possible values (i.e., true and… …   Wikipedia

• evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …   Universalium

• Methode de separation aveugle de source — Méthode de séparation aveugle de source La séparation aveugle de source (SAS) consiste à estimer un jeu de N sources inconnues à partir d un jeu de P observations. Ces observations sont des mélanges de ces sources et proviennent de capteurs… …   Wikipédia en Français

• Méthode De Séparation Aveugle De Source — La séparation aveugle de source (SAS) consiste à estimer un jeu de N sources inconnues à partir d un jeu de P observations. Ces observations sont des mélanges de ces sources et proviennent de capteurs (antennes, microphones, caméras par exemple) …   Wikipédia en Français

• Méthode de séparation aveugle de source — La séparation aveugle de source (SAS) consiste à estimer un jeu de N sources inconnues à partir d un jeu de P observations. Ces observations sont des mélanges de ces sources et proviennent de capteurs (antennes, microphones, caméras par exemple) …   Wikipédia en Français

• Polynomial — In mathematics, a polynomial (from Greek poly, many and medieval Latin binomium, binomial [1] [2] [3], the word has been introduced, in Latin, by Franciscus Vieta[4]) is an expression of finite length constructed from variables (also known as… …   Wikipedia

• Independent component analysis — (ICA) is a computational method for separating a multivariate signal into additive subcomponents supposing the mutual statistical independence of the non Gaussian source signals. It is a special case of blind source separation. Definition When… …   Wikipedia

• Pythia — For other uses, see Pythia (disambiguation). Priestess of Delphi (1891) by John Collier; the Pythia was inspired by pneuma rising from below The Pythia (Greek: Πυθία; IPA pɪθiːɑː), commonly known as the Oracle of Delphi, was the priestess at the… …   Wikipedia

• Inverse problem — An inverse problem is a general framework that is used to convert observed measurements into information about a physical object or system that we are interested in. For example, if we have measurements of the Earth s gravity field, then we might …   Wikipedia