MSC: 45B05 45D05 45A05Keywords: Two-dimensional Fredholm-Volterra integral equations Block pulse functions Operational matrix a b s t r a c t In this paper, the block pulse functions (BPFs) and their operational matrix are used to solve two-dimensional Fredholm-Volterra integral equations (F-VIE). This method converts F-VIE to systems of linear equations whose solutions are the coefficients of block pulse expansions of the solutions of F-VIE.Finally some numerical examples are presented to show the efficiency and accuracy of the method.
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