Results 11 to 20 of about 865 (215)
Numerical Solution of Poisson's Equation Using a Combination of Logarithmic and Multiquadric Radial Basis Function Networks [PDF]
Journal of Applied Mathematics, 2012 This paper presents numerical solution of elliptic partial differential equations (Poisson's equation) using a combination of logarithmic and multiquadric radial basis function networks.
Mohammad Mehdi Mazarei, Azim Aminataei
doaj +2 more sources
Sparse approximate multiquadric interpolation
Computers & Mathematics with Applications, 1994 The authors consider the following problem: given a set \(S\) of samples of a multivariate function \(f\) and an error tolerance \(\delta\), find the smallest set of points \(T \subseteq S\) such that if \(M\) is the multiquadric interpolant of \(T\), then the relative error between \(M\) and \(f\) over \(S\) is at most \(\delta\).
Carlson, R.E., Natarajan, B.K.
openaire +2 more sources
Multiquadric prewavelets on nonequally spaced knots in one dimension [PDF]
Mathematics of Computation, 1995 In this paper, we identify univariate prewavelets on spaces spanned by translates of multiquadric functions and other radial basis functions with nonequally spaced centers (or "knots"). Although the multiquadric function and its relations are our prime examples, the theory is sufficiently ...
M. D. Buhmann
openaire +3 more sources
Bivariate High-Accuracy Hermite-Type Multiquadric Quasi-Interpolation Operators
Journal of MathematicsIn this paper, a kind of Hermite-type multiquadric quasi-interpolation operator is constructed by combining an extended univariate multiquadric quasi-interpolation operator with a bivariate Hermite interpolation polynomial.
Ruifeng Wu
doaj +2 more sources
Use of Multiquadric Interpolation for Meteorological Objective Analysis [PDF]
Monthly Weather Review, 1994 Abstract The method of multiquadric interpolation is described and compared to the Barnes and Cressman methods of meteorological objective analysis. The method of multiquadric interpolation uses hyperboloid radial basis functions to fit scattered data to a uniform grid.
Nuss, Wendell A., Titley, David W.
openaire +3 more sources
The parameter R2 in multiquadric interpolation
Computers & Mathematics with Applications, 1991 For bivariate interpolation to the data \((x_ i,y_ i,z_ i)\) where the \((x_ i,y_ i)\) are arbitrary points the multiquadric method has been frequently applied [for references, see: \textit{R. L. Hardy}, Comput. Math. Appl. 19, 163-208 (1990; Zbl 0692.65003)]. The accuracy of the method depends on a user defined parameter \(R^ 2\). In the present paper
Carlson, Ralph E., Foley, Thomas A.
openaire +3 more sources
Multiquadric Spline-Based Interactive Segmentation of Vascular Networks. [PDF]
Annu Int Conf IEEE Eng Med Biol Soc, 2016 Commonly used drawing tools for interactive image segmentation and labeling include active contours or boundaries, scribbles, rectangles and other shapes. Thin vessel shapes in images of vascular networks are difficult to segment using automatic or interactive methods.
Meena S +7 more
europepmc +5 more sources
Boundary Value ProblemsMultiquadric quasi-interpolation is an efficient high-dimensional approximation algorithm. It can directly obtain the approximation term and its derivatives without solving any large-scale linear equations.
Ruifeng Wu
doaj +2 more sources
Fractal and FractionalThis paper proposes a computational procedure to resolve the temporal fractional financial option pricing partial differential equation (PDE) using a localized meshless approach via the multiquadric radial basis function (RBF).
Jia Li +5 more
doaj +2 more sources
Applying multiquadric quasi-interpolation for boundary detection
Computers & Mathematics with Applications, 2011 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Qinjiao Gao, Zongmin Wu, Shenggang Zhang
openaire +3 more sources