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Numerical Approximation of Stochastic Volterra-Fredholm Integral Equation using Walsh Function (2305.16678v1)
Published 26 May 2023 in math.NA, cs.NA, and math.PR
Abstract: In this paper, a computational method is developed to find an approximate solution of the stochastic Volterra-Fredholm integral equation using the Walsh function approximation and its operational matrix. Moreover, convergence and error analysis of the method is carried out to strengthen the validity of the method. Furthermore, the method is numerically compared to the block pulse function method and the Haar wavelet method for some non-trivial examples.