Results 91 to 100 of about 865 (215)

Making conditionally negative definite radial basis function interpolation well-conditioned by adding cardinal basis functions

open access: yesAin Shams Engineering Journal, 2018
A class of basis functions so called well-conditioned RBF (WRBFs) has been introduced. This basis has been manipulated by adding cardinal functions to the conditionally negative definite RBFs of order 1, such as Multiquadric functions 1+(∊r)2 (MQ) and ...
Saeed Kazem   +2 more
doaj   +1 more source

Analysing time-fractional exotic options via efficient local meshless method

open access: yesResults in Physics, 2020
In this article, we analyse the numerical simulation of the time-fractional Black-Scholes model governing butterfly spread option, digital option and double barrier option.
Mustafa Inc   +5 more
doaj   +1 more source

Improved accuracy of multiquadric interpolation using variable shape parameters

open access: yes, 1992
Given N scattered data points, we examined the problem of finding N variable Multiquadric (MQ) shape-parameters, or R2 values. Because the problem of finding the optimal R2 values is a nonlinear one, we optimized these parameters numerically by ...
Kansa, E.J., Carlson, R.E.
core   +1 more source

Stable PDE Solution Methods for Large Multiquadric Shape Parameters

open access: yes, 2008
We present a new method based upon the paper of Volokh and Vilney (2000) that produces highly accurate and stable solutions to very ill-conditioned multiquadric (MQ) radial basis function (RBF) asymmetric collocation methods for partial differential ...
Arezoo Emdadi   +4 more
core   +2 more sources

A Meshless MQ-RBF Approach with Artificial Viscosity for Shock-Resolved Shallow Water Flow Simulation [PDF]

open access: yesE3S Web of Conferences
In this study, we introduce a meshless computational framework for simulating shallow water flows with shock phenomena using multiquadric radial basis functions (MQ-RBFs).
Bensaad Marwane   +2 more
doaj   +1 more source

REGULARIZED MULTIQUADRIC METHOD FOR SOLVING INVERSE BOUNDARY VALUE PROBLEMS

open access: yes, 2018
In this paper, we develop a regularized multiquadric method, which is also a non-iterative numerical method, for solving inverse boundary value problems governed by Laplace equation.
Xiao, Kang
core  

Cost-efficient BLE fingerprint database construction approach via multi-quadric RBF interpolation

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
The demand for indoor localization is becoming urgent, but the traditional location fingerprint approach takes a lot of manpower and time to construct a fine-grained location fingerprint database.
Liangbo Xie   +4 more
doaj   +1 more source

The combined Shepard operator of inverse quadratic and inverse multiquadric type

open access: yes, 2022
Starting with the classical, the modified and the iterative Shepard methods, we construct some new Shepard type operators, using the inverse qua- dratic and the inverse multiquadric radial basis functions.
CĂTINAȘ, Teodora, MALINA, Andra
core   +1 more source

Meshfree RBF-FD Discretization with Three-Point Stencils for Nonlinear Pricing Options Having Transaction Costs

open access: yesMathematics
This paper presents a computational framework for resolving a nonlinear extension of the Black–Scholes partial differential equation that accounts for transaction costs through a volatility function dependent on the Gamma of the option price.
Haifa Bin Jebreen   +2 more
doaj   +1 more source

Hardy's multiquadric-biharmonic method for gravity field predictions

open access: yes, 1994
The potential theoretic foundations proposed by Hardy for his multiquadric-biharmonic method are shown to be either erroneous or deficient for the purpose of gravity predictions based on mixed data types.
Jekeli, C., C. Jekeli
core   +1 more source

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