منابع مشابه
An Alternative Approach to Characterize the Commutativity of Orthogonal Projectors
In an invited paper, Baksalary [Algebraic characterizations and statistical implications of the commutativity of orthogonal projectors. In: T. Pukkila, S. Puntanen (Eds.), Proceedings of the Second International Tampere Conference in Statistics, University of Tampere, Tampere, Finland, [2], pp. 113–142] presented 45 necessary and sufficient conditions for the commutativity of a pair of orthogon...
متن کاملMedial commutativity
It is shown that all the assumptions for symmetric monoidal categories flow out of a unifying principle involving natural isomorphisms of the type (A ∧B) ∧ (C ∧D) → (A ∧ C) ∧ (B ∧D), called medial commutativity. Medial commutativity in the presence of the unit object enables us to define associativity and commutativity natural isomorphisms. In particular, Mac Lane’s pentagonal and hexagonal coh...
متن کاملCommutativity of Reducers
In the Map-Reduce programming model for data parallel computation in a cloud environment, the reducer phase is responsible for computing an output key-value pair, given a sequence of input values associated with a particular key. Because of non-determinism in transmitting key-value pairs over the network, the inputs may not arrive at a reducer in a fixed order. This gives rise to the reducer co...
متن کاملOn Subgradient Projectors
The subgradient projector is of considerable importance in convex optimization because it plays the key role in Polyak’s seminal work — and the many papers it spawned — on subgradient projection algorithms for solving convex feasibility problems. In this paper, we offer a systematic study of the subgradient projector. Fundamental properties such as continuity, nonexpansiveness, and monotonicity...
متن کاملAugmented Reality: projectors
1.1. Brief overview on research areas 2. History of displays/projectors 3. Smart Projectors 3.1. Description 3.2. Areas of application 3.3. Core technological realization 3.3.1. Undistorted projection 3.3.2. Color correction 3.3.3. Lamberts Law 3.3.4. Neutralized texture 3.4. Applied technological tools 3.5. Smart Projectors in habitual environments 3.5.1. Calibration 3.5.2. Multiple Viewers 3....
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ژورنال
عنوان ژورنال: Linear Algebra and its Applications
سال: 2002
ISSN: 0024-3795
DOI: 10.1016/s0024-3795(01)00350-0