A new numerical method for solving the nonlinear mixed Volterra-Fredholm integral equations is presented. This method is based upon hybrid functions approximation. The properties of hybrid functions consisting of block-pulse functions and Bernoulli polynomials are presented. The operational matrices of integration and product are given. These matrices are then utilized to reduce the nonlinear mixed Volterra-Fredholm integral equations to the solution of algebraic equations. Illustrative examples are included to demonstrate the validity and applicability of the technique.
机构:
Islamic Azad Univ, Dept Math, South Tehran Branch, Tehran, IranIslamic Azad Univ, Dept Math, South Tehran Branch, Tehran, Iran
Mohammadi, M.
Zakeri, A.
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Islamic Azad Univ, Dept Math, South Tehran Branch, Tehran, Iran
KN Toosi Univ Technol, Fac Math, Tehran, IranIslamic Azad Univ, Dept Math, South Tehran Branch, Tehran, Iran
Zakeri, A.
Karami, M.
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Islamic Azad Univ, Dept Math, South Tehran Branch, Tehran, IranIslamic Azad Univ, Dept Math, South Tehran Branch, Tehran, Iran