Random Search Algorithm for Solving the Nonlinear Fredholm Integral Equations of the Second Kind

Hong, Zhimin; Yan, Zaizai; Yan, Jiao
July 2014
PLoS ONE;Jul2014, Vol. 9 Issue 7, p1
Academic Journal
In this paper, a randomized numerical approach is used to obtain approximate solutions for a class of nonlinear Fredholm integral equations of the second kind. The proposed approach contains two steps: at first, we define a discretized form of the integral equation by quadrature formula methods and solution of this discretized form converges to the exact solution of the integral equation by considering some conditions on the kernel of the integral equation. And then we convert the problem to an optimal control problem by introducing an artificial control function. Following that, in the next step, solution of the discretized form is approximated by a kind of Monte Carlo (MC) random search algorithm. Finally, some examples are given to show the efficiency of the proposed approach.


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