Laplace transform inversion using Bernstein operational matrix of integration and its application to differential and integral equations (Q2210765)
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| English | Laplace transform inversion using Bernstein operational matrix of integration and its application to differential and integral equations |
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Laplace transform inversion using Bernstein operational matrix of integration and its application to differential and integral equations (English)
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8 November 2020
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In [Math. Methods Appl. Sci. 41, No. 18, 9231--9243 (2018; Zbl 1406.65135)], \textit{D. Rani} et al. presented a technique to investigate the inverse Laplace transform by using an orthonormal Bernstein operational matrix of integration. The proposed method was based on replacing the unknown function through a truncated series of Bernstein basis polynomials and the coefficients of the expansion were obtained using the operational matrix of integration. In this paper, the authors employ the above discussed method to solve linear differential equations like the Bessel equation of order zero, damped harmonic oscillator, some higher order differential equations, singular integral equations, Volterra integral and integro-differential equations and nonlinear Volterra integral equations of the first kind. Further, they compare the obtained solutions with the solutions procured using existing methods like Haar operational matrix of integration, block pulse operational matrix of integration and some other known methods.
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numerical inverse Laplace transform
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orthonormalized Bernstein polynomials
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operational matrix of integration
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