In linear algebra, the restricted isometry property (RIP) characterizes matrices which are nearly orthonormal, at least when operating on sparse vectors...
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element of the domain. Note that ε-isometries are not assumed to be continuous. The restricted isometry property characterizes nearly isometric matrices...
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Regulation of Investigatory Powers Act 2000, a UK act of Parliament Restricted isometry property, in mathematics R.I.P. cartridge (Round, Irritant, Personnel)...
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the Gaussian ensemble, a large number of matrices satisfy the restricted isometry property.[CT06] In 2007, Candes and Tao introduced a novel statistical...
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"nullspace property" originates from Cohen, Dahmen, and DeVore. The nullspace property is often difficult to check in practice, and the restricted isometry property...
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from the theory of compressed sensing/sampling, such as the restricted isometry property and related probabilistic recovery arguments, for sequentially...
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constructions are suggested to circumvent this. Random projection Restricted isometry property Word embeddings Or any integer k > 128 ( ln N ) / ( 9 ε 2 )...
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(using the spark (mathematics), the mutual coherence or the restricted isometry property) and the level of sparsity in the solution, k {\displaystyle...
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satisfy certain specific conditions such as RIP (Restricted Isometry Property) or Null-Space property in order to achieve robust sparse recovery. In the...
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f_{y}\rangle d\mu (x).} k-frame Biorthogonal wavelet Orthogonal wavelet Restricted isometry property Schauder basis Harmonic analysis Fourier analysis Functional...
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convergence for ℓ1 norm and superlinear for ℓt with t < 1, under the restricted isometry property, which is generally a sufficient condition for sparse solutions...
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Pfetsch (2013). "The Computational Complexity of the Restricted Isometry Property, the Nullspace Property, and Related Concepts in Compressed Sensing". IEEE...
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invariant subspaces of V. So V(K2) = K2. In other words, V restricted to K2 is a surjective isometry, i.e., a unitary operator U. Furthermore, each Mi is isomorphic...
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Lorentz group (redirect from Restricted Lorentz group)
form a composition algebra. The isometry property of Lorentz transformations holds according to the composition property | p q | = | p | × | q | {\displaystyle...
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bound can be constructed by Weil's theorem. Compressed sensing Restricted isometry property Babel function Tropp, J.A. (March 2006). "Just relax: Convex...
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small. Here the matrix completion problem does not obey the restricted isometry property (RIP). For matrices, the RIP would assume that the sampling operator...
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Metric space (section Isometries)
bijective distance-preserving function is called an isometry. One perhaps non-obvious example of an isometry between spaces described in this article is the...
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Spark (mathematics) (section Properties)
(November 8, 2013). "The Computational Complexity of the Restricted Isometry Property, the Nullspace Property, and Related Concepts in Compressed Sensing". IEEE...
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Quadratic form (redirect from Isometry (quadratic forms))
T : V → V′ (isometry) such that Q ( v ) = Q ′ ( T v ) for all v ∈ V . {\displaystyle Q(v)=Q'(Tv){\text{ for all }}v\in V.} The isometry classes of n-dimensional...
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Inner product space (section Basic properties)
for all x ∈ V . {\displaystyle x\in V.} A linear isometry (resp. an antilinear isometry) is an isometry that is also a linear map (resp. an antilinear map)...
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Killing vector field (section Properties)
the infinitesimal generators of isometries; that is, flows generated by Killing vector fields are continuous isometries of the manifold. This means that...
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in three dimensions is an isometry group in three dimensions that leaves the origin fixed, or correspondingly, an isometry group of a sphere. It is a...
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interest. Also included are the concepts of mutual coherence and restricted isometry property to establish uniqueness stability guarantees. Allow signal x...
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Dihedral group (category Properties of groups)
multiples of 36°, and reflections. As isometry group there are 10 more automorphisms; they are conjugates by isometries outside the group, rotating the mirrors...
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Lipschitz continuity (section Properties)
distance between all points Dini continuity Modulus of continuity Quasi-isometry Johnson–Lindenstrauss lemma – For any integer n≥0, any finite subset X⊆Rn...
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isometries of finite order are of order 1, 2, 3, 4 or 6. Isometries of order n include, but are not restricted to, n-fold rotations. The theorem also excludes...
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Polar decomposition (section Properties)
an isometry when its action is restricted onto the support of A {\displaystyle A} , that is, it means that U {\displaystyle U} is a partial isometry. As...
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Symmetry (physics) (redirect from Isometries in physics)
spacetime, i.e. they are isometries of Minkowski space. They are studied primarily in special relativity. Those isometries that leave the origin fixed...
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Polarization identity (section Isometries)
other point by a linear isometry, then the norm is induced by an inner product. The polarization identities are not restricted to inner products. If B...
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belongs to L 2 {\displaystyle L^{2}} , and the Fourier transform is an isometry with respect to the L2 norm, which is to say that ∫ − ∞ ∞ | f ( x ) | 2...
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