Found 2,076 Documents (Results 1–100)

100
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New bounds and asymptotic expansions for the volume of the unit ball in $$\mathbb{R}^n$$ based on Padé approximation. (English)Zbl 07517403

MSC:  41A21 33F05 33F10
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In vitro proton magnetic resonance spectroscopy at 14T for benign and malignant ovary. I: Signal processing by the nonparametric fast Padé transform. (English)Zbl 07496321

MSC:  92C55 41A21
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Extrapolation and prediction of sequences in a vector space. (English)Zbl 07489834

MSC:  65B05 41A21 65B10
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Self-similar sequence transformation for critical exponents. (English)Zbl 07456109

MSC:  41Axx 41A21
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Multilevel interpolation for Nikishin systems and boundedness of Jacobi matrices on binary trees. (English. Russian original)Zbl 07505216

Russ. Math. Surv. 76, No. 4, 726-728 (2021); translation from Usp. Mat. Nauk 76, No. 4, 179-180 (2021).
MSC:  47B36 41A21 65Q30
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The polynomial Hermite-Padé $$m$$-system for meromorphic functions on a compact Riemann surface. (English. Russian original)Zbl 07498882

Sb. Math. 212, No. 12, 1694-1729 (2021); translation from Mat. Sb. 212, No. 12, 1694-1729 (2021).
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Multidimensional Padé approximation of binomial functions: equalities. (English)Zbl 07497801

MSC:  41A21 11J72 30E10
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Rational (Padé) approximation for estimating the components of the partially-linear regression model. (English)Zbl 07484744

MSC:  41A21 62-07 62G05
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A Viskovatov algorithm for Hermite-Padé polynomials. (English. Russian original)Zbl 07483846

Sb. Math. 212, No. 9, 1279-1303 (2021); translation from Mat. Sb. 212, No. 9, 94-118 (2021).
MSC:  41A21
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Convergence of two-point Padé approximants to piecewise holomorphic functions. (English. Russian original)Zbl 07480684

Sb. Math. 212, No. 11, 1626-1659 (2021); translation from Mat. Sb. 212, No. 11, 128-164 (2021).
MSC:  41A21 41A20
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Some Padé approximations and inequalities for the complete elliptic integrals of the first kind. (English)Zbl 07465016

MSC:  33E05 26D15 41A21
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MSC:  41A21
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Multipoint Padé approximation of the psi function. (English. Russian original)Zbl 1483.41004

Math. Notes 110, No. 4, 571-577 (2021); translation from Mat. Zametki 110, No. 4, 584-591 (2021).
MSC:  41A21 31A15
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Internal model control design based on approximation of linear discrete dynamical systems. (English)Zbl 1481.93079

MSC:  93C80 41A21
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Asymptotic properties of trigonometric Padé approximations. (Russian. English summary)Zbl 1480.41004

MSC:  41A21 41A25

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On matrix Cauchy biorthogonal polynomials. (English)Zbl 1476.30139

MSC:  30E10 42C05 41A21
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Logarithmic asymptotic of multi-level Hermite-Padé polynomials. (English)Zbl 1476.30138

MSC:  30E10 41A21 42C05
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A high-order compact difference method for solving a class of nonlinear partial differential equations. (Chinese. English summary)Zbl 07404110

MSC:  65M06 41A21 35Q53
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Padé methods for Painlevé equations. (English)Zbl 07385329

SpringerBriefs in Mathematical Physics 42. Singapore: Springer (ISBN 978-981-16-2997-6/pbk; 978-981-16-2998-3/ebook). viii, 90 p. (2021).
MSC:  34M55 34M56 41A21
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On a lower bound for the rate of convergence of multipoint Padé approximants of piecewise analytic functions. (English. Russian original)Zbl 1469.30079

Izv. Math. 85, No. 3, 351-366 (2021); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 3, 13-29 (2021).
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On Baker’s patchwork conjecture for diagonal Padé approximants. (English)Zbl 1467.41007

MSC:  41A21 30E10 41A20
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About the convergence rate Hermite-Padé approximants of exponential functions. (Russian. English summary)Zbl 1467.41008

MSC:  41A21 41A25
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A family of Wilker’s inequalities in two parameters and its applications. (English)Zbl 1468.26010

MSC:  26D05 41A21 42A16
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An introduction to multiple orthogonal polynomials and Hermite-Padé approximation. (English)Zbl 1460.42041

Marcellán, Francisco (ed.) et al., Orthogonal polynomials: current trends and applications. Proceedings of the 7th EIBPOA conference, Universidad Carlos III de Madrid, Leganés, Spain, July 3–6, 2018. Cham: Springer. SEMA SIMAI Springer Ser. 22, 237-271 (2021).
MSC:  42C05 30E10 41A21
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Concurrent universal Padé approximation. (English)Zbl 1460.41008

MSC:  41A21 30K05
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Mathematical modelling of streamwise velocity profile in open channels using Tsallis entropy. (English)Zbl 1458.94178

MSC:  94A17 94A40 41A21
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Algorithms for simultaneous Hermite-Padé approximations. (English)Zbl 1452.41007

MSC:  41A21 41A20 65D15
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Sampled-data modeling for PCM and ZVS controlled critical conduction mode (CrCM) active clamp flyback (ACF) converter at variable switching frequency. (English)Zbl 1468.93006

MSC:  93-10 41A21 93C80

MSC:  41A21
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MSC:  41A21
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Solution of Blasius equation concerning with Mohand transform. (English)Zbl 1471.65098

MSC:  65L99 41A21
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Hermite-Padé approximants to the Weyl function and its derivative for discrete measures. (English. Russian original)Zbl 1458.41007

Sb. Math. 211, No. 10, 1486-1502 (2020); translation from Mat. Sb. 211, No. 10, 139-156 (2020).
MSC:  41A21 42C05
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Quartic Padé approximation to the exponential function and a class of local analytical difference schemes. (English)Zbl 1462.41006

MSC:  41A21 65D05
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Asymptotics for Hermite-Padé approximants associated with the Mittag-Leffler functions. (English)Zbl 1456.30066

MSC:  30E10 41A21
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Hermite-Padé polynomials and Shafer quadratic approximations for multivalued analytic functions. (English. Russian original)Zbl 1461.30089

Russ. Math. Surv. 75, No. 4, 788-790 (2020); translation from Usp. Mat. Nauk 75, No. 4, 213-214 (2020).
MSC:  30E10 41A10 41A21
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A family of high order iterations for calculating the sign of a matrix. (English)Zbl 1454.65028

MSC:  65F60 41A21
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Generalized inverse tensor $$\varepsilon$$-algorithm for computing tensor exponential function. (Chinese. English summary)Zbl 1463.41021

MSC:  41A21 15A09 41A30
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Laurent-Padé approximation for locating singularities of meromorphic functions with values given on simple closed contours. (English)Zbl 1450.65029

MSC:  65E05 41A21
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A note on the rate of convergence of poles of generalized Hermite-Padé approximants. (English)Zbl 1463.30175

MSC:  30E10 41A21 41A25
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Convergence in Hausdorff content of generalized simultaneous Padé approximants. (English)Zbl 1463.30181

MSC:  30E10 41A21
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A criterion for the existence and uniqueness of polyorthogonal polynomials of the second type. (Russian. English summary)Zbl 1451.30075

MSC:  30E10 33C45 41A21
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The convergence rate of Hermite-Padé approximations of the three exponent system. (English)Zbl 1442.41006

MSC:  41A21 33C45
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On the convergence of multi-level Hermite-Padé approximants for a class of meromorphic functions. (English)Zbl 1450.30057

MSC:  30E10 41A21 42C05
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An efficient modification of differential transform method for solving integral and integro-differential equations. (English)Zbl 1474.65486

MSC:  65R20 41A21 45D05
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Robust formula for $$N$$-point Padé approximant calculation based on Wynn identity. (English)Zbl 1440.41010

MSC:  41A21 65D15
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On the calculation of the poles of multivariate meromorphic functions using the symbolic-numeric two-point qd-algorithm. (English)Zbl 1452.65034

MSC:  65D15 41A21 41A63
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Some unusual results on extrapolation methods. (English)Zbl 1469.65010

MSC:  65B05 41A21
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On overconvergence of closed to row subsequences of classical Padé approximants. (English)Zbl 1439.30004

MSC:  30B30 41A21
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Interpolation by generalized exponential sums with equal weights. (English)Zbl 1439.30055

MSC:  30E05 41A21
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The multipoint Padé approximation problem and its Hankel vector. (English)Zbl 1437.41006

MSC:  41A21 41A20 15B57
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Multivariate homogeneous two-point Padé approximants and continued fractions. (English)Zbl 1449.41010

MSC:  41A21 41A20 65D15
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Asymptotics of polynomials orthogonal on a cross with a Jacobi-type weight. (English)Zbl 1439.42035

MSC:  42C05 41A20 41A21
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Asymptotic of Cauchy biorthogonal polynomials. (English)Zbl 1435.30115

MSC:  30E10 41A21
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Fast computation of approximant bases in canonical form. (English)Zbl 1450.65040

MSC:  65F55 41A21 68W30
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On certain applications of the two-point Padé approximants by using extended epsilon algorithm. (English)Zbl 07376200

MSC:  41A21 41A20 65D15

Generalized moment representations and Padé-type approximants of some basis hypergeometric series of two variables. (Ukrainian. English summary)Zbl 1463.33030

MSC:  33C70 41A21
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Convergence in Hausdorff content of Padé-Faber approximants and its applications. (English)Zbl 1463.30176

MSC:  30E10 41A21
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On differentiation with respect to parameter of a hypergeometric function of a special type. (English. Russian original)Zbl 1451.33003

Russ. Math. 63, No. 12, 61-70 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 12, 71-81 (2019).
MSC:  33C05 41A21
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Existence of a three-sheeted Nutall surface for a certain class of infinite-valued analytic functions. (English. Russian original)Zbl 1435.30133

Russ. Math. Surv. 74, No. 2, 363-365 (2019); translation from Usp. Mat. Nauk 74, No. 2, 187-188 (2019).
MSC:  30F99 41A21
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On the existence and uniqueness of type I Hermite-Padé polynomials. (Russian. English summary)Zbl 1429.33017

MSC:  33C45 41A21
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MSC:  41A21
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A continued fractional recurrence algorithm for generalized inverse tensor Padé approximation. (Chinese. English summary)Zbl 1449.41011

MSC:  41A21 15A09
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Direct and inverse problems for vector logarithmic potentials with external fields. (English)Zbl 1428.41016

MSC:  41A20 41A10 41A21
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A generalized approach to generate optimized approximations of the inverse Langevin function. (English)Zbl 1425.41004

MSC:  41A21 26A24 82-08 65D15
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A comprehensive study of the mathematical methods used to approximate the inverse Langevin function. (English)Zbl 1425.41003

MSC:  41A21 26A24 30E10 65D15 74S30 82-08
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An application of inverse Padé interpolation. (English)Zbl 1438.65108

MSC:  65H05 41A21
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