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Solution of Integral Equations by Using Block-Pulse FunctionsKeywords: Integral Equations , Block-Pulse Hybrid Functions , Operational Matrix , Orthogonal Functions , Legendre polynomials. Abstract: In this paper, the properties of the hybrid functions which consist of block-pulse functions plus Legendre polynomials are presented. Then, integral equations are converted into an algebraic system by hybrid of general block-pulse functions and the Legendre polynomials. In continue, approximate solutions of integral equations are derived, finally the numerical examples are included to demonstrate the validity and applicability of the algorithm.
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