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Fractal Multiquadric Interpolation Functions
SIAM Journal on Numerical Analysis ( IF 2.8 ) Pub Date : 2024-10-18 , DOI: 10.1137/23m1578917 D. Kumar, A. K. B. Chand, P. R. Massopust
SIAM Journal on Numerical Analysis ( IF 2.8 ) Pub Date : 2024-10-18 , DOI: 10.1137/23m1578917 D. Kumar, A. K. B. Chand, P. R. Massopust
SIAM Journal on Numerical Analysis, Volume 62, Issue 5, Page 2349-2369, October 2024.
Abstract. In this article, we impose fractal features onto classical multiquadric (MQ) functions. This generates a novel class of fractal functions, called fractal MQ functions, where the symmetry of the original MQ function with respect to the origin is maintained. This construction requires a suitable extension of the domain and similar partitions on the left side with the same choice of scaling parameters. Smooth fractal MQ functions are proposed to solve initial value problems via a collocation method. Our numerical computations suggest that fractal MQ functions offer higher accuracy and more flexibility for the solutions compared to the existing classical MQ functions. Some approximation results associated with fractal MQ functions are also presented.
更新日期：2024-10-19
Abstract. In this article, we impose fractal features onto classical multiquadric (MQ) functions. This generates a novel class of fractal functions, called fractal MQ functions, where the symmetry of the original MQ function with respect to the origin is maintained. This construction requires a suitable extension of the domain and similar partitions on the left side with the same choice of scaling parameters. Smooth fractal MQ functions are proposed to solve initial value problems via a collocation method. Our numerical computations suggest that fractal MQ functions offer higher accuracy and more flexibility for the solutions compared to the existing classical MQ functions. Some approximation results associated with fractal MQ functions are also presented.
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