## Found 829 Documents (Results 1–100)

100
MathJax

Full Text:

### Approximation by max-product Balázs-Szabados operators. (English)Zbl 07500310

MSC:  41A30 41A25 41A29
Full Text:

Full Text:

### Weighted $$\ell_p$$ ($$0<p\le 1$$) minimization with non-uniform weights for sparse recovery under partial support information. (English)Zbl 07490233

MSC:  90C26 41A29 65T99
Full Text:

Full Text:

Full Text:

### Univariate simultaneous high order abstract fractional monotone approximation with applications. (English)Zbl 1482.26004

MSC:  26A33 41A28 41A29
Full Text:

Full Text:

Full Text:

### Smooth homeomorphic approximation of piecewise affine homeomorphisms. (English)Zbl 07473891

MSC:  41A29 41A30 57Q55
Full Text:

Full Text:

Full Text:

### A new sufficient condition for sparse vector recovery via $$\ell_1 - \ell_2$$ local minimization. (English)Zbl 07442755

MSC:  41A29 42C15 46N10
Full Text:

### Algorithms for common best proximity points of the global minimization problem in Hilbert spaces. (English)Zbl 07439480

MSC:  41A29 47H09
Full Text:

Full Text:

### On the $$q$$-monotonicity preservation of Durrmeyer-type operators. (English)Zbl 07388013

MSC:  41A10 41A29 41A36
Full Text:

Full Text:

Full Text:

### Reconstruction of functions from prescribed proximal points. (English)Zbl 1472.41014

MSC:  41A50 41A29 41A65
Full Text:

### Negative results in coconvex approximation of periodic functions. (English)Zbl 1467.42001

MSC:  42A05 41A29 42A10
Full Text:

### Interpolatory pointwise estimates for convex polynomial approximation. (English)Zbl 1474.41033

MSC:  41A29 41A10 41A25
Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

### Convergence analysis of the Gauss-Newton method for convex inclusion problems and convex composite optimization. (English)Zbl 07326968

MSC:  47J15 65H10 41A29
Full Text:

### Explicit solution, for $$n = 6$$, to a Markov-type extremal problem initiated by Schur. (English)Zbl 1460.41007

Draganov, Borislav (ed.) et al., Constructive theory of functions. Proceedings of the 13th international conference, Sozopol, Bulgaria, June 2–8, 2019. Dedicated to the memory of Blagovest Sendov. Sofia: Prof. Marin Drinov Academic Publishing House. 195-219 (2020).
MSC:  41A17 41A29
Full Text:

### Fitting smooth functions to data. (English)Zbl 07314183

CBMS Regional Conference Series in Mathematics 135. Providence, RI: American Mathematical Society (AMS), published for the Conference Board of the Mathematical Sciences (CBMS) (ISBN 978-1-4704-6130-0/pbk; 978-1-4704-6263-5/ebook). x, 160 p. (2020).
Full Text:

### A projection algorithm on the set of polynomials with two bounds. (English)Zbl 1456.65012

MSC:  65D15 41A29 90C20
Full Text:

Full Text:

Full Text:

Full Text:

### Parameter identification for a class of bivariate fractal interpolation functions and constrained approximation. (English)Zbl 1447.28013

MSC:  28A80 41A29 41A30
Full Text:

Full Text:

Full Text:

Full Text:

### Shape preserving properties of the Bernstein polynomials with integer coefficients. (English)Zbl 1474.41010

MSC:  41A10 41A29
Full Text:

### Explicit algebraic solution of Zolotarev’s first problem for low-degree polynomials. (English)Zbl 1463.41016

MSC:  41A10 41A29 41A50

### Symmetry preserving interpolation. (English)Zbl 1467.41001

Bradford, Russell (ed.), Proceedings of the 44th international symposium on symbolic and algebraic computation, ISSAC ’19, Beijing, China, July 15–18, 2019. New York, NY: Association for Computing Machinery (ACM). 34-41 (2019).
Full Text:

### On solving split best proximity point and equilibrium problems in Hilbert spaces. (English)Zbl 1463.47197

MSC:  47J25 41A29 47H09

### V. Markov’s problem for $$k$$-absolutely monotone polynomials and applications. (English)Zbl 1443.41007

MSC:  41A17 41A29 41A44
Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

Full Text:

### Uniform approximation of convex function in smooth Banach spaces. (English)Zbl 1423.41023

MSC:  41A29 49J45
Full Text:

Full Text:

### Algorithms for positive polynomial approximation. (English)Zbl 1415.65031

MSC:  65D15 41A29 41A55
Full Text:

### Characterizing best approximation from a convex set without convex representation. (English)Zbl 1407.41012

MSC:  41A50 41A29
Full Text:

Full Text:

Full Text:

### Approximation of planar BV homeomorphisms by diffeomorphisms. (English)Zbl 1426.41019

MSC:  41A29 26B10 46E35
Full Text:

Full Text:

### Approximation by Bernstein-Chlodowsky operators of max-product kind. (English)Zbl 1423.41024

MSC:  41A35 41A25 41A29
Full Text:

Full Text:

Full Text:

### Fractal perturbation of shaped functions: convergence independent of scaling. (English)Zbl 1404.28020

MSC:  28A80 41A29 65D07
Full Text:

### The use of Jacobi wavelets for constrained approximation of rational Bézier curves. (English)Zbl 1451.65013

MSC:  65D17 41A29 65T60
Full Text:

Full Text:

### Approximation of minimal functions by extreme functions. (English)Zbl 1403.90518

MSC:  90C10 41A29 41A63
Full Text:

Full Text:

### A class of multilevel structured low-rank approximation arising in material processing. (English)Zbl 1386.15004

MSC:  15A03 41A29 90C55
Full Text:

### Approximation by Herglotz wave functions. (English)Zbl 1390.35057

MSC:  35J05 74J05 41A29
Full Text:

Full Text:

### Silent and equivalent magnetic distributions on thin plates. (English)Zbl 1424.78009

Jaming, Philippe (ed.) et al., Harmonic analysis, function theory, operator theory, and their applications. Proceedings of the international conference in honour of Jean Esterle, Bordeaux, France, June 1–4, 2015. Editor list corrected in erratum. Bucharest: The Theta Foundation. Theta Ser. Adv. Math. 19, 11-27 (2017).

Full Text:

### Convexity and monotonicity properties of the local integro cubic spline. (English)Zbl 1411.41008

MSC:  41A15 41A29 65D07
Full Text:

### Nearly comonotone approximation of periodic functions. (English)Zbl 1413.42004

MSC:  42A10 41A17 41A29
Full Text:

Full Text:

### Best restriction approximation by entire functions of exponential type. (Chinese. English summary)Zbl 1389.41046

MSC:  41A50 41A29 42A38

### Existence and uniqueness of spaces of splines of maximal pseudosmoothness. (English. Russian original)Zbl 1371.41011

J. Math. Sci., New York 224, No. 5, 647-660 (2017); translation from Probl. Mat. Anal. 88, 39-51 (2017).
MSC:  41A15 65D07 41A29
Full Text:

### On the approximation of solutions to a fixed point problem with inequality constraints in a Banach space partially ordered by a cone. (English)Zbl 1458.47036

Banaś, Józef (ed.) et al., Advances in nonlinear analysis via the concept of measure of noncompactness. Singapore: Springer. 441-455 (2017).
MSC:  47J26 41A29
Full Text:

### A moving object and observers in $$\mathbb{R}^2$$ with a piecewise smooth shading set. (English. Russian original)Zbl 1380.49026

Proc. Steklov Inst. Math. 296, Suppl. 1, S95-S101 (2017); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 21, No. 4 (2015).
Full Text:

Full Text:

Full Text:

Full Text:

### A characterization theorem for the best $$L_1$$ piecewise monotonic data approximation problem. (English)Zbl 1378.41004

Pardalos, Panos M. (ed.) et al., Contributions in mathematics and engineering. In honor of Constantin Carathéodory. With a foreword by R. Tyrrell Rockafellar. Cham: Springer (ISBN 978-3-319-31315-3/hbk; 978-3-319-31317-7/ebook). 117-126 (2016).
Full Text:

Full Text:

Full Text:

### On polyhedral approximations in an $$n$$-dimensional space. (English. Russian original)Zbl 1356.41008

Comput. Math. Math. Phys. 56, No. 10, 1679-1685 (2016); translation from Zh. Vychisl. Mat. Mat. Fiz. 56, No. 10, 1695-1701 (2016).
MSC:  41A29 52A27 49J53
Full Text:

### Bivariate right fractional polynomial monotone approximation. (English)Zbl 1355.41012

Anastassiou, George A. (ed.) et al., Computational analysis. AMAT, Ankara, May 2015. Selected contributions presented at the 3rd international conference on applied mathematics and approximation theory, Ankara, Turkey, May 28–31, 2015. Cham: Springer (ISBN 978-3-319-28441-5/hbk; 978-3-319-28443-9/ebook). Springer Proceedings in Mathematics & Statistics 155, 19-31 (2016).
MSC:  41A29 26A33
Full Text:

### Bivariate left fractional pseudo-polynomial monotone approximation. (English)Zbl 1355.41011

Anastassiou, George A. (ed.) et al., Computational analysis. AMAT, Ankara, May 2015. Selected contributions presented at the 3rd international conference on applied mathematics and approximation theory, Ankara, Turkey, May 28–31, 2015. Cham: Springer (ISBN 978-3-319-28441-5/hbk; 978-3-319-28443-9/ebook). Springer Proceedings in Mathematics & Statistics 155, 1-17 (2016).
MSC:  41A29 26A33
Full Text:

### On copositive approximation in spaces of continuous functions. II: The uniqueness of best copositive approximation. (English)Zbl 1363.41028

MSC:  41A50 41A65 41A29
Full Text:

Full Text:

Full Text:

Full Text:

### Univariate left general high order fractional monotone approximation. (English)Zbl 1374.26013

MSC:  26A33 41A29

### An approximation formula for Euler-Mascheroni’s constant. (English)Zbl 1345.11049

MSC:  11J72 11J81 41A29
Full Text:

Full Text:

Full Text:

### Linear $$k$$-monotonicity preserving algorithms and their approximation properties. (English)Zbl 1460.41010

Kotsireas, Ilias S. (ed.) et al., Mathematical aspects of computer and information sciences. 6th international conference, MACIS 2015, Berlin, Germany, November 11–13, 2015. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 9582, 93-106 (2016).
Full Text:

Full Text:

Full Text:

all top 5

all top 5

all top 5

all top 3

all top 3