simultaneous perturbation gradient approximation
Gradient Estimation with Simultaneous Perturbation and Compressive Sensing
... stochastic gradient scheme requires ∇f (x) at each ...(Simultaneous Perturbation Stochastic Approximation) combined with compressed sensing to obtain an approximation for the ...
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On an Adaptive Filter based on Simultaneous Perturbation Stochastic Approximation Method
... As the errors in the PEF are much lower than those produced by the CHF, there remains no great margin for reducing the errors in the PEF by adaptation compared to the case of optimizing the CHF structure. Even though, as ...
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Breast Tumor Localization Using Simultaneous Perturbation Stochastic Neural Algorithm
... Stochastic approximation (SA) represents an impor- tant class of search algorithms used in error function ...propagation, perturbation analysis for discrete-event systems, recursive least squares and least ...
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Identification of Continuous-Time Hammerstein Systems by Simultaneous Perturbation Stochastic Approximation
... On the other hand, there are different types of identification methods which utilize evolutional computation, such as the cuckoo search algorithm (Gotmare, Patidar, & George, 2015), the stochastic gradient ...
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Analytical approximation to differentiate between the effect of ionospheric horizontal gradient and elevation angle in DGPS
... irregularities (SSIs) in the E layer can also cause changes of the electron density horizontally in the ionosphere. Realizing the severity of this effect, much research has been done and is still continuing to determine ...
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Simultaneous Approximation of New Sequence of Integral Type Operators with Parameter δ_0
... Rasa, Approximation properties of Bernstein– Durrmeyer type operators, Applied Mathematics and Computation 232 (2014), ...u, Approximation properties of modified Sz´ asz–Mirakyan operators in polynomial ...
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3. Simultaneous approximation by a linear combination of Bernstein-Durrmeyer type polynomials
... were introduced by Gupta and Maheshwari [8] wherein they studied the approx- imation of functions of bounded variation by these operators. In [6], Gupta and Ispir studied the pointwise convergence and Voronovskaja type ...
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Ehrlich type Methods with King's Correction for the Simultaneous Approximation of Polynomial Complex Zeros
... many simultaneous iterative methods for approximating complex polynomial zeros, from more traditional numerical algorithms, such as the well-known third order Ehrlich–Aberth method, to the more recent ...the ...
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Inverse result in simultaneous approximation by Baskakov Durrmeyer Stancu operators
... VNM, KK, LNM and Deepmala computed the auxiliary results and inverse theorem in simultaneous approximation for Baskakov-Durrmeyer-Stancu Operators. VNM and Deepmala conceived of the study and participated ...
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A New Approximation to the Linear Matrix Equation AX = B by Modification of He’s Homotopy Perturbation Method
... The solution of matrix equation AX = B is approximated using HPM. The residual errors have been meas- ured for different dimension of matrices and for different terms in homotopy method. Results are reported in Table 1. ...
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Exponentially fitted spline approximation method for solving selfadjoint singular perturbation problems
... We have reduced the original problem (i.e., problem (1.1)) to the normal form. In the normalized form, we replace the perturbation parameter ε affecting the highest derivative by a fitting factor σ (x, ε). Using ...
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Simultaneous spline approximation and topographic analysis for lidar elevation data in open-source GIS
... Surface gradients and curvatures are important for feature recognition and as inputs for a wide range of models (e.g., hy- drology). Standard algorithms compute the topographic param- eters at a grid point using the ...
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On the perturbation algebra
... algebraic structure of ˆ A is responsible for all of the homological perturbation theory and as such, this algebra is implicitly present in many of the earlier papers dealing with this subject, e.g. [7]. We ...
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Comparison between the Homotopy Perturbation Method and Homotopy Perturbation Transform Method
... homotopy perturbation method proposed by Ji-Huan He [1] [2] [3] [4] and employed by scientists and engineers [5] [6] [7] to solve many prob- lems in engineering and ...
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Stability Indicating HPLC Method Development and Validation for the Simultaneous Estimation of Propyphenazone, Caffeine and Paracetamol by Gradient Elution Technique
... spectrophotometric simultaneous analysis of paracetamol, propyphenazone and caffeine in tablet dosage form, International journal of pharmacy and pharmaceutical sciences, ...
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Full Potential KKR Calculations for Point Defect Energies in Fe Based Dilute Alloys, Based on the Generalized Gradient Approximation
... We have shown that the full-potential Korringa-Kohn- Rostoker (FPKKR) Green’s function method for point defects, developed by Jülich group, combined with the generalized-gradient approximation, reproduces ...
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Study of Boundary Layer Convective Heat Transfer with Low Pressure Gradient Over a Flat Plate Via He’s Homotopy Perturbation Method
... the thermal boundary layer thickness is higher than the Pr number, and the thermal boundary layer thickness is decreased via increasing pressure gradient. In other words, it increases the tendency of the fluid ...
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On the perturbation algebra
... Homological Perturbation Lemma (HPL) is a kind of a homotopy transfer theorem: it allows one to transfer a perturbed differential of a (co)chain complex onto another one, that is a strong deformation retract of ...
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Full Potential Screened KKR Calculations for Magnetism of Co2MnSi, Ni2MnAl and Ru2MnSi, Based on the Generalized Gradient Approximation
... Thus, the development of the electronic devices of high qualities needs the study of the magnetism of the full-Heusler alloys with and without defects. The simple band calculations such as the linear muffin-tin orbital ...
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One Tree Suffices: A Simultaneous $O(1)$-Approximation for Single-Sink Buy-at-Bulk
... The special case of SSRoB has also been extensively studied, often as a special case of the connected facility location problem. The first constant factor approximation was given by Ravi and Salman [28] as a ...
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