• In linear algebra, the restricted isometry property (RIP) characterizes matrices which are nearly orthonormal, at least when operating on sparse vectors...
    6 KB (862 words) - 15:37, 17 March 2025
  • Thumbnail for Isometry
    element of the domain. Note that ε-isometries are not assumed to be continuous. The restricted isometry property characterizes nearly isometric matrices...
    18 KB (2,425 words) - 20:31, 9 April 2025
  • Regulation of Investigatory Powers Act 2000, a UK act of Parliament Restricted isometry property, in mathematics R.I.P. cartridge (Round, Irritant, Personnel)...
    3 KB (406 words) - 12:03, 8 April 2025
  • Thumbnail for Terence Tao
    the Gaussian ensemble, a large number of matrices satisfy the restricted isometry property.[CT06] In 2007, Candes and Tao introduced a novel statistical...
    79 KB (6,678 words) - 11:50, 19 June 2025
  • "nullspace property" originates from Cohen, Dahmen, and DeVore. The nullspace property is often difficult to check in practice, and the restricted isometry property...
    4 KB (741 words) - 06:21, 17 December 2023
  • Thumbnail for Kalman filter
    from the theory of compressed sensing/sampling, such as the restricted isometry property and related probabilistic recovery arguments, for sequentially...
    127 KB (20,447 words) - 05:33, 8 June 2025
  • constructions are suggested to circumvent this. Random projection Restricted isometry property Word embeddings Or any integer k > 128 ( ln ⁡ N ) / ( 9 ε 2 )...
    29 KB (5,136 words) - 05:50, 5 June 2025
  • (using the spark (mathematics), the mutual coherence or the restricted isometry property) and the level of sparsity in the solution, k {\displaystyle...
    15 KB (2,212 words) - 07:57, 18 July 2024
  • satisfy certain specific conditions such as RIP (Restricted Isometry Property) or Null-Space property in order to achieve robust sparse recovery. In the...
    19 KB (2,924 words) - 19:16, 30 March 2025
  • f_{y}\rangle d\mu (x).} k-frame Biorthogonal wavelet Orthogonal wavelet Restricted isometry property Schauder basis Harmonic analysis Fourier analysis Functional...
    30 KB (5,397 words) - 13:25, 15 June 2025
  • 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...
    6 KB (820 words) - 19:40, 6 March 2025
  • Pfetsch (2013). "The Computational Complexity of the Restricted Isometry Property, the Nullspace Property, and Related Concepts in Compressed Sensing". IEEE...
    17 KB (2,317 words) - 14:54, 31 March 2025
  • 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...
    8 KB (1,123 words) - 00:18, 10 October 2024
  • Thumbnail for Lorentz group
    form a composition algebra. The isometry property of Lorentz transformations holds according to the composition property ⁠ | p q | = | p | × | q | {\displaystyle...
    66 KB (9,875 words) - 09:40, 29 May 2025
  • bound can be constructed by Weil's theorem. Compressed sensing Restricted isometry property Babel function Tropp, J.A. (March 2006). "Just relax: Convex...
    4 KB (540 words) - 17:30, 9 March 2025
  • Thumbnail for Matrix completion
    small. Here the matrix completion problem does not obey the restricted isometry property (RIP). For matrices, the RIP would assume that the sampling operator...
    38 KB (6,371 words) - 05:16, 19 June 2025
  • Thumbnail for Metric space
    bijective distance-preserving function is called an isometry. One perhaps non-obvious example of an isometry between spaces described in this article is the...
    82 KB (11,434 words) - 17:46, 21 May 2025
  • (November 8, 2013). "The Computational Complexity of the Restricted Isometry Property, the Nullspace Property, and Related Concepts in Compressed Sensing". IEEE...
    7 KB (1,024 words) - 22:23, 8 May 2024
  • 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...
    33 KB (4,600 words) - 08:00, 17 June 2025
  • Thumbnail for Inner product space
    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)...
    57 KB (7,357 words) - 22:55, 19 May 2025
  • the infinitesimal generators of isometries; that is, flows generated by Killing vector fields are continuous isometries of the manifold. This means that...
    27 KB (4,724 words) - 05:17, 14 June 2025
  • 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...
    60 KB (5,111 words) - 17:13, 25 March 2025
  • interest. Also included are the concepts of mutual coherence and restricted isometry property to establish uniqueness stability guarantees. Allow signal x...
    38 KB (6,082 words) - 09:32, 29 May 2024
  • Thumbnail for Dihedral group
    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...
    28 KB (3,499 words) - 03:13, 9 June 2025
  • Thumbnail for Lipschitz continuity
    distance between all points Dini continuity Modulus of continuity Quasi-isometry Johnson–Lindenstrauss lemma – For any integer n≥0, any finite subset X⊆Rn...
    18 KB (2,630 words) - 12:17, 25 May 2025
  • 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...
    17 KB (2,474 words) - 13:50, 6 November 2024
  • 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...
    26 KB (4,272 words) - 13:01, 26 April 2025
  • Thumbnail for Symmetry (physics)
    spacetime, i.e. they are isometries of Minkowski space. They are studied primarily in special relativity. Those isometries that leave the origin fixed...
    27 KB (3,283 words) - 17:51, 11 March 2025
  • Thumbnail for Polarization identity
    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...
    26 KB (4,506 words) - 21:42, 14 May 2025
  • 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...
    7 KB (1,197 words) - 05:57, 7 May 2025