Best approximation and intersections of balls

Lecture Notes in Mathematics - Banach Space Theory and its Applications ◽

10.1007/bfb0061557 ◽

1983 ◽

pp. 44-54 ◽

Cited By ~ 1

Author(s):

G. Godini

Keyword(s):

Best Approximation

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Best Approximation of Signal Amplitude and Delay in a Narrowband Radar.

10.21236/ada165700 ◽

1986 ◽

Author(s):

Richard C. Raup

Keyword(s):

Best Approximation ◽

Signal Amplitude

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A new method for approximation of closed convex subsets of B(H)

Filomat ◽

10.2298/fil1719005i ◽

2017 ◽

Vol 31 (19) ◽

pp. 6005-6013

Author(s):

Mahdi Iranmanesh ◽

Fatemeh Soleimany

Keyword(s):

Best Approximation ◽

Numerical Range ◽

New Method ◽

C Algebra ◽

Convex Subsets

In this paper we use the concept of numerical range to characterize best approximation points in closed convex subsets of B(H): Finally by using this method we give also a useful characterization of best approximation in closed convex subsets of a C*-algebra A.

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Approximative characteristics and properties of operators of the best approximation of classes of functions from the Sobolev and Nikol’skii–Besov spaces

Journal of Mathematical Sciences ◽

10.1007/s10958-020-05177-2 ◽

2021 ◽

Vol 252 (4) ◽

pp. 508-525

Author(s):

Anatolii Sergiiovych Romanyuk ◽

Viktor Sergiiovych Romanyuk

Keyword(s):

Besov Spaces ◽

Best Approximation ◽

The Best Approximation

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Lagrange Multiplier Characterizations of Constrained Best Approximation with Infinite Constraints

Journal of Optimization Theory and Applications ◽

10.1007/s10957-021-01856-5 ◽

2021 ◽

Author(s):

Hassan Bakhtiari ◽

Hossein Mohebi

Keyword(s):

Lagrange Multiplier ◽

Best Approximation ◽

Constrained Best Approximation

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Ambulatory blood pressure data is the best approximation of central aortic pressure in coarctation of aorta

International Journal of Cardiology Congenital Heart Disease ◽

10.1016/j.ijcchd.2021.100142 ◽

2021 ◽

Vol 4 ◽

pp. 100142

Author(s):

Alexander C. Egbe ◽

William R. Miranda ◽

Heidi M. Connolly ◽

Iftikhar J. Kullo

Keyword(s):

Blood Pressure ◽

Ambulatory Blood Pressure ◽

Best Approximation ◽

Aortic Pressure ◽

Coarctation Of Aorta ◽

Pressure Data ◽

Central Aortic Pressure ◽

The Best Approximation ◽

Blood Pressure Data

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Best Approximation in Reproducing Kernel Hilbert Spaces

Proceedings of the Second International Colloquium on Numerical Analysis ◽

10.1515/9783112318805-007 ◽

1994 ◽

pp. 55-62 ◽

Cited By ~ 11

Keyword(s):

Hilbert Spaces ◽

Best Approximation ◽

Reproducing Kernel ◽

Reproducing Kernel Hilbert Spaces ◽

Kernel Hilbert Spaces

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Polynomials with positive coefficients: Uniqueness of best approximation

Journal of Approximation Theory ◽

10.1016/0021-9045(77)90005-3 ◽

1977 ◽

Vol 21 (4) ◽

pp. 352-355 ◽

Cited By ~ 4

Author(s):

Eli Passow

Keyword(s):

Best Approximation ◽

Positive Coefficients ◽

Uniqueness Of Best Approximation

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Degree of best approximation by trigonometric blending functions

Mathematische Zeitschrift ◽

10.1007/bf01246949 ◽

1985 ◽

Vol 189 (1) ◽

pp. 143-150 ◽

Cited By ~ 13

Author(s):

Werner Hau�mann ◽

Kurt Jetter ◽

Bernd Steinhaus

Keyword(s):

Best Approximation ◽

Blending Functions

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Best approximation to 1 − xm by special rational functions

Journal of Approximation Theory ◽

10.1016/0021-9045(87)90107-9 ◽

1987 ◽

Vol 49 (3) ◽

pp. 300-301

Author(s):

A.R Reddy

Keyword(s):

Best Approximation ◽

Rational Functions

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A survey of published programs for best approximation

Journal of Computational and Applied Mathematics ◽

10.1016/0771-050x(79)90010-x ◽

1979 ◽

Vol 5 (2) ◽

pp. 141-143 ◽

Cited By ~ 3

Author(s):

Charles B. Dunham

Keyword(s):

Best Approximation

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