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ADCM
2015
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9 years 8 months ago
Order-preserving derivative approximation with periodic radial basis functions
In this exploratory paper we study the convergence rates of an iterated method for approximating derivatives of periodic functions using radial basis function (RBF) interpolation. ...
Edward J. Fuselier, Grady B. Wright
ADCM
2015
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9 years 8 months ago
Multilevel approximation of the gradient operator on an adaptive spherical geodesic grid
Ratikanta Behera, Mani Mehra, Nicholas K.-R. Kevla...
ADCM
2015
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9 years 8 months ago
Mixed finite elements for elasticity on quadrilateral meshes
We present the first stable mixed finite elements for plane elasticity on general quadrilateral meshes. The symmetry of the stress tensor is imposed weakly and so there are three...
Douglas N. Arnold, Gerard Awanou, Weifeng Qiu
ADCM
2015
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9 years 8 months ago
Parametric curves with Pythagorean binormal
In this paper, a class of rational spatial curves that have a rational binormal is introduced. Such curves (called PB curves) play an important role in the derivation of rational r...
Jernej Kozak, Marjeta Krajnc, Vito Vitrih
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