نتایج جستجو برای: block pulse functions

تعداد نتایج: 727173  

2016
Fakhrodin Mohammadi

In this paper, we present a computational method for solving stochastic VolteraFredholm integral equations which is based on the Haar wavelets and their stochastic operational matrix. Convergence and error analysis of the proposed method are worked out. Numerical results are compared with the block pulse functions method for some non-trivial examples. The obtained results reveal efficiency and ...

Journal: :Mathematical Problems in Engineering 2022

The present paper illustrates a new numerical technique to solve system of linear Fredholm integral equations the second kind. current work introduces coupling between hybrid Bernstein functions and improved block-pulse (HBI). method transforms kind into an algebraic that can be solved by using classical methods. Some examples are introduced validate approach. results showed is promising, power...

2009
Mohsen Razzaghi MOHSEN RAZZAGHI

A method for finding the solution of a linear time varying multidelay systems using a hybrid function is proposed. The properties of the hybrid functions which consists of block-pulse functions plus Legendre polynomials are presented. The method is based upon expanding various time functions in the system as their truncated hybrid functions. Operational matrices of integration, delay and produc...

2012
Changqing Yang Jianhua Hou Beibo Qin

A numerical method for Riccati equation is presented in this work. The method is based on the replacement of unknown functions through a truncated series of hybrid of block-pulse functions and Chebyshev polynomials. The operational matrices of derivative and product of hybrid functions are presented. These matrices together with the tau method are then utilized to transform the differential equ...

2009
Y. Ordokhani

In this paper a numerical method for finding the solution of FredholmHammerstein integral equations is proposed. At first the properties of the Walsh-hybrid functions, which combination of block-pulse functions and Walsh functions are proposed. The properties of the hybrid functions with the operational matrix of integration together Newton-Cotes nodes are then utilized to reduce the solution o...

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