Approximate solution of Fredholm Integro Differential equation using Quadrature Formulas methods
DOI:
https://doi.org//10.32628/IJSRSET229641Keywords:
General 2nd kind of linear Fredholm integro differential equation, Newton cote’s formula ,Trapezoidal ,Simpson’s1/3 , and Simpson’s 3/8 rule.Abstract
There are two reasons for this research, the first which is the main was to clarify the use of a closed quadrature formulas included ( Trapizoidal , Simpson’s 1/3 rule and Simpson’s 3/8 rule )which are the most familiar formula of numerical integration ,to evaluating the integral part to find the approximate solution of the 2nd kind of FIDE’s of the 1st order and reducing it to linear system of (n) equation with n unknowns of the solution sample value y(ti) ,i=0,1,2,3,…,n .The other reason was to explain the differences between three Quadrature formulas in solving equation according to the specified period , has been clarified through examples. Finally, Acomparison was made between the three methods ,programs for methods were written in MATLAB language and examples with satisfactory results are given .
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