Keywords: درجه تقریبی; Monotone polynomial approximation; Degree of approximation; Jackson-type interpolatory estimates;
مقالات ISI درجه تقریبی (ترجمه نشده)
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Keywords: درجه تقریبی; 41A10; 41A25Comonotone and coconvex approximation by polynomials; Degree of approximation; Jackson-type estimates
Keywords: درجه تقریبی; Comonotone polynomial approximation; Coconvex polynomial approximation; Degree of approximation; Uniform norm
Keywords: درجه تقریبی; Positive linear operator; Bernstein–Durrmeyer type operators; Degree of approximation; Test-functions preserving approximation
Keywords: درجه تقریبی; Universal Taylor series; Double universality; Walsh-Bernstein theorem; Degree of approximation;
Keywords: درجه تقریبی; Iterates of operators; Degree of approximation; K-functionals; Modulus of smoothness; Bernstein operators; Genuine Bernstein-Durrmeyer operators; Stancu operators; Korovkin type theorem; Cesaro operators; Meyer-KÅnig and Zeller operators;
Keywords: درجه تقریبی; 41Axx; Approximation by polynomials in weighted Lp-norms; Degree of approximation; Direct and inverse theorems; Jacobi weights; Moduli of smoothness; Characterization of smoothness classes; Whitney-type estimates;
Yet another look at positive linear operators, qq-monotonicity and applications
Keywords: درجه تقریبی; 41AxxPositive linear operators; Degree of approximation; Jackson-type estimates; Moduli of smoothness; Gavrea’s operator; Bernstein–Durrmeyer–Lupaş polynomials with ultraspherical weights
A note on the trigonometric approximation of Lip(Ï(t), p)-class
Keywords: درجه تقریبی; Degree of approximation; Lip(Ï(t), p)-class; 41A10;
The Durrmeyer variant of an operator defined by D.D. Stancu
Keywords: درجه تقریبی; Approximation by positive operators; Rate of convergence; Degree of approximation; Asymptotic approximations; Asymptotic expansions
Remez-type inequality on sets with cusps
Keywords: درجه تقریبی; Remez inequality; Nikolskii-type inequality; Extremal function; Polynomial approximation; Degree of approximation; Subanalytic set; O-minimal structure; Łojasiewicz's inequality
Approximation of conjugate of functions belonging to weighted Lipschitz class W(Lp,ξ(t)) by Hausdorff means of conjugate Fourier series
Keywords: درجه تقریبی; 41A10; Degree of approximation; W(Lp,ξ(t))-class of functions; Conjugate Fourier series; Hausdorff means;
On the trigonometric approximation of signals belonging to generalized weighted Lipschitz W(Lr, ξ(t))(r ⩾ 1)-class by matrix (C1 ⋅ Np) operator of conjugate series of its Fourier series
Keywords: درجه تقریبی; Lebesgue integral; Conjugate Fourier series; Generalized weighted Lipschitz W(Lr, ξ(t))(r ⩾ 1)-class; Degree of approximation; C1 means; Np means and product summability C1 ⋅ Np transform
Positive results and counterexamples in comonotone approximation II
Keywords: درجه تقریبی; Comonotone polynomial approximation; Degree of approximation; Uniform norm
On the degree of approximation of functions belonging to a Lipschitz class by Hausdorff means of its fourier series
Keywords: درجه تقریبی; Degree of approximation; Fourier series; Hausdorff matrices
Asymptotic properties of powers of linear positive operators which preserve e2e2
Keywords: درجه تقریبی; Iterates of operators; Degree of approximation; Modulus of smoothness; Bernstein operators; Genuine Bernstein–Durrmeyer operators; King type operators
Three-monotone spline approximation
Keywords: درجه تقریبی; 3-monotone approximation by piecewise polynomials and splines; Degree of approximation; Jackson-type estimates
Exact estimates of the rate of approximation of convolution operators
Keywords: درجه تقریبی; Convolution operator; Singular integral; Trigonometric polynomial; Rate of convergence; Degree of approximation; KK-functional; Homogeneous Banach space; Fourier–Stieltjes transform; Fourier series; Multipliers
Approximation of functions belonging to the generalized Lipschitz Class by C1 · Np summability method of fourier series
Keywords: درجه تقریبی; Generalized Lipschitz Class of functions; Fourier series; Degree of approximation; C1 means; Np means; C1 · Np summability method;
Quantitative analysis of diclofenac sodium powder via near-infrared spectroscopy combined with artificial neural network
Keywords: درجه تقریبی; Orthogonal projection to latent structures; Artificial neural network; Near-infrared spectroscopy; Diclofenac sodium; Degree of approximation; Partial least squares regression
Orthogonal projection to latent structures combined with artificial neural networks in non-destructive analysis of Ampicillin powder
Keywords: درجه تقریبی; Orthogonal projection to latent structures; Artificial neural networks; Near-infrared spectroscopy; Ampicillin; Degree of approximation
Orthogonal projection to latent structures combined with artificial neural network for quantitative analysis of phenoxymethylpenicillin potassium powder
Keywords: درجه تقریبی; Orthogonal projection to latent structures; Artificial neural network; Degree of approximation; Near-infrared spectroscopy; Phenoxymethylpenicillin potassium
Artificial neural networks for non-destructive determination of acetylspiramycin powder by short-wavelength NIR spectroscopy
Keywords: درجه تقریبی; SW-NIR spectroscopy; Non-destructive quantitative analysis; ANNs; Acetylspiramycin (macrolide antibiotics) powder; Degree of approximation
Local approximation by a variant of Bernstein–Durrmeyer operators
Keywords: درجه تقریبی; 41A36; 41A25; 41A30; 26A45; 26A60Approximation by positive operators; Rate of convergence; Degree of approximation; Functions of bounded variation; Total variation; Sharp bound; Asymptotic expansions
Application of Short-wave Near-infrared Reflectance Spectroscopy in Controlling Extract of Fructus Cnidii Using Supercritical Carbon Dioxide*
Keywords: درجه تقریبی; Fructus cnidii; Supercritical carbon dioxide; Short-wave near-infrared diffuse reflectance spectrum; Artificial neural network; Degree of approximation;
Calibration in non-linear NIR spectroscopy using principal component artificial neural networks
Keywords: درجه تقریبی; PC-ANNs; Pretreated spectra; Antipyriine and caffeine citrate tablets; Degree of approximation;
Simultaneous determination of two active components in compound aspirin tablets using principal component artificial neural networks (PC-ANNs) on NIR spectroscopy
Keywords: درجه تقریبی; Artificial neural networks; NIR spectroscopy; Preprocessing; Compound aspirin tablets; Degree of approximation
The degree of approximation by polynomials on some disjoint intervals in the complex plane
Keywords: درجه تقریبی; 31E10; 41A10; 41A29; 41A40; Complex approximation; Degree of approximation; Conformal mapping;
Some remarks on Hölder approximation by Bernstein polynomials
Keywords: درجه تقریبی; Lipschitz functions; Hölder approximation; Bernstein polynomials; Classical, partial and mixed moduli of smoothness; Boolean sum of operators; Degree of approximation; Global smoothness preservation property
Determination of compound aminopyrine phenacetin tablets by using artificial neural networks combined with principal components analysis
Keywords: درجه تقریبی; Artificial neural networks; Preprocessing; Degree of approximation; Compound aminopyrine phenacetin tablets;
Artificial neural network for simultaneous determination of two components of compound paracetamol and diphenhydramine hydrochloride powder on NIR spectroscopy
Keywords: درجه تقریبی; Artificial neural networks; NIR spectroscopy; Degree of approximation; Compound paracetamol and diphenhydramine hydrochloride powder;
Simultaneous non-destructive determination of two components of combined paracetamol and amantadine hydrochloride in tablets and powder by NIR spectroscopy and artificial neural networks
Keywords: درجه تقریبی; Artificial neural networks; NIR spectroscopy; Degree of approximation; Combined paracetamol and amantadine hydrochloride tablets;
Local approximation by Beta operators
Keywords: درجه تقریبی; 41A36; 41A25; 41A30; 26A45; 26A60; Approximation by positive operators; Rate of convergence; Degree of approximation; Functions of bounded variation; Total variation; Asymptotic expansions;
Direct approximation theorems for Dirichlet series in the norm of uniform convergence
Keywords: درجه تقریبی; 30 B 50; 41 A 25; 41 A 17; Dirichlet series; Degree of approximation; Inequalities of Jackson's type;
On 3-monotone approximation by piecewise polynomials
Keywords: درجه تقریبی; 41A15; 41A25; 41A29; 3-Monotone approximation by piecewise polynomials; Degree of approximation;