On Computation of Highly Oscillatory Integrals with Bessel Kernel
- 23 November 2019
- journal article
- Published by Earthline Publishers in Earthline Journal of Mathematical Sciences
Abstract
In this paper, we introduce a new numerical scheme for approximation of highly oscillatory integrals having Bessel kernel. We transform the given integral to a special form having improper nonoscillatory Laguerre type and proper oscillatory integrals with Fourier kernels. Integrals with Laguerre weights over [0, ∞) will be solved by Gauss-Laguerre quadrature and oscillatory integrals with Fourier kernel can be evaluated by meshless-Levin method. Some numerical examples are also discussed to check the efficiency of proposed method.Keywords
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