• In mathematics, the bipolar theorem is a theorem in functional analysis that characterizes the bipolar (that is, the polar of the polar) of a set. In convex...
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  • a star Bipolar coordinates, a two-dimensional orthogonal coordinate system Bipolar set, a derivative of a polar set Bipolar theorem, a theorem in convex...
    3 KB (391 words) - 14:23, 11 September 2024
  • Thumbnail for Fenchel–Moreau theorem
    {\displaystyle f^{**}\leq f} . This can be seen as a generalization of the bipolar theorem. It is used in duality theory to prove strong duality (via the perturbation...
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  • Polar set (redirect from Bipolar set)
    _{c\in C}\langle c,y\rangle .} Banach–Alaoglu theorem – Theorem in functional analysis Bipolar theorem – Theorem in convex analysis Polar cone – Concepts in...
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  • Banach–Alaoglu theorem, setting τ {\displaystyle \tau } to the Weak-* topology. That 1. implies 2. is an application of the Bipolar theorem. Let M {\displaystyle...
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  • and related branches of mathematics, the Banach–Alaoglu theorem (also known as Alaoglu's theorem) states that the closed unit ball of the dual space of...
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  • Thumbnail for Dual cone and polar cone
    cone C in X, the polar cone is equivalent to the polar set for C. Bipolar theorem Polar set Schaefer & Wolff 1999, pp. 215–222. Boyd, Stephen P.; Vandenberghe...
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  • Thumbnail for Convex cone
    Cone (disambiguation) Cone (geometry) Cone (topology) Farkas' lemma Bipolar theorem Ordered vector space Boyd, Stephen; Vandenberghe, Lieven (2004-03-08)...
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  • -closure of the convex balanced hull of A . {\displaystyle A.} The bipolar theorem: The bipolar of A , {\displaystyle A,} denoted by A ∘ ∘ , {\displaystyle A^{\circ...
    66 KB (12,275 words) - 14:14, 22 December 2024
  • that are compact (and thus complete) but not closed. The bipolar theorem states that the bipolar (that is, the polar of the polar) of a subset of a locally...
    58 KB (10,568 words) - 23:16, 10 August 2024
  • Thumbnail for Bipolar transistor biasing
    Bipolar transistors must be properly biased to operate correctly. In circuits made with individual devices (discrete circuits), biasing networks consisting...
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  • only if S is an orthonormal basis; i.e., maximal orthonormal set. bipolar bipolar theorem. bounded A bounded operator is a linear operator between Banach...
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  • the open neighborhoods of the origin. This fact together with the bipolar theorem means that via the operation of taking the polar of a subset, the collection...
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  • ∘ = H ∘ ∘ = H {\displaystyle U^{\circ }=H^{\circ \circ }=H} by the bipolar theorem, it follows that a continuous linear functional f {\displaystyle f}...
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  • Thumbnail for Georg Cantor
    more numerous than the natural numbers. Cantor's method of proof of this theorem implies the existence of an infinity of infinities. He defined the cardinal...
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  • biodegrade in biologically active environments Bipolar I disorder Boolean prime ideal theorem, a mathematical theorem Brachial plexus injury, an injury to the...
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  • Thumbnail for List of circle topics
    Mohr–Mascheroni theorem Poncelet–Steiner theorem Descartes' theorem Dinostratus' theorem Dividing a circle into areas Equal incircles theorem Five circles theorem Gauss...
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  • Thumbnail for Poynting vector
    vector is used throughout electromagnetics in conjunction with Poynting's theorem, the continuity equation expressing conservation of electromagnetic energy...
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  • Thumbnail for Convolution
    Atlas, Homma, and Marks. "An Artificial Neural Network for Spatio-Temporal Bipolar Patterns: Application to Phoneme Classification" (PDF). Neural Information...
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  • acyclic orientation with a single source and a single sink is called a bipolar orientation. A transitive orientation is an orientation such that the resulting...
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  • No. 35 on the Top Independent Albums chart. Townsend was diagnosed with bipolar disorder around 1998, a condition that was unknowingly exacerbated by his...
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  • communication, the field of information theory (in particular, the Shannon–Hartley theorem) motivates the need for studying the signal-to-noise ratio (SNR). In a...
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  • Thumbnail for Radical axis
    non-concentric circles can be aligned with the circles of a system of bipolar coordinates. In that case, the radical axis is simply the y {\displaystyle...
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  • Thumbnail for Apollonian circles
    family orthogonally, and vice versa. These circles form the basis for bipolar coordinates. They were discovered by Apollonius of Perga, a renowned Greek...
    10 KB (1,240 words) - 18:25, 2 July 2024
  • Thumbnail for Pulse-width modulation
    load. Modern semiconductor switches such as MOSFETs or insulated-gate bipolar transistors (IGBTs) are well suited components for high-efficiency controllers...
    29 KB (3,918 words) - 18:57, 2 December 2024
  • Thumbnail for Common source
    remaining is the source. This is a common-source FET circuit. The analogous bipolar junction transistor circuit may be viewed as a transconductance amplifier...
    10 KB (1,368 words) - 02:55, 20 December 2024
  • vacuum tube triodes. The same analysis applies to modern devices such as bipolar junction and field-effect transistors. Consider a circuit of an ideal inverting...
    12 KB (2,008 words) - 07:49, 22 July 2024
  • Thumbnail for Photodiode
    transistor. A common type of phototransistor, the bipolar phototransistor, is in essence a bipolar transistor encased in a transparent case so that light...
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  • Thumbnail for Dependent source
    sources are useful, for example, in modeling the behavior of amplifiers. A bipolar junction transistor can be modeled as a dependent current source whose...
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  • possible circles that pass through both foci. These circles form the basis of bipolar coordinates. The circles of Apollonius of a triangle are three circles...
    15 KB (2,411 words) - 15:42, 7 December 2024