نتایج جستجو برای: approximate dual frames

تعداد نتایج: 284886  

Journal: :Bulletin of the Malaysian Mathematical Sciences Society 2021

Weaving frames have potential applications in wireless sensor networks that require distributed processing of signals under different frames. In this paper, we study some new properties weaving generalized (or g-frames) and orthonormal bases g-orthonormal bases). It is shown a g-frame its dual are woven. The inter-relation optimal bounds universal studied. Further, present characterization g-fr...

Journal: :CoRR 2008
Robert Spalek

We reprove that the approximate degree of the OR function on n bits is Ω( √ n). We consider a linear program which is feasible if and only if there is an approximate polynomial for a given function, and apply the duality theory. The duality theory says that the primal program has no solution if and only if its dual has a solution. Therefore one can prove the nonexistence of an approximate polyn...

This article presents an analytic approach to study admissibility conditions related to classical full wavelet systems over finite fields using tools from computational harmonic analysis and theoretical linear algebra. It is shown that for a large class of non-zero window signals (wavelets), the generated classical full wavelet systems constitute a frame whose canonical dual are classical full ...

A.A. Arefijamaal N. Tavallaei R. Raisi Tousi R.A. Kamyabi Gol

This paper deals with continuous frames and continuous Riesz bases. We introduce continuous Riesz bases and give some equivalent conditions for a continuous frame to be a continuous Riesz basis. It is certainly possible for a continuous frame to have only one dual. Such a continuous frame is called a Riesz-type frame [13]. We show that a continuous frame is Riesz-type if and only if it is a con...

Journal: :Applied and Computational Harmonic Analysis 2013

Journal: :Journal of the Korean Mathematical Society 2012

2011
C Arum

Approximate methods of analysis are essential tools at the preliminary design phase of any building project. For multi-story multi-bay lateral-force-swayed frames, the available classical approximate methods are the Portal and the Cantilever techniques. It is known that the Portal method gives more accurate results for low to medium rise frames. This investigation showed that it is possible to ...

Journal: :Journal of Mathematical Analysis and Applications 2009

Journal: :Methods of Functional Analysis and Topology 2020

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