Quartic Non-polynomial Spline Method for Singularly Perturbed Differential-difference Equation with Two Parameters
Keywords:Quartic Non-polynomial, Differential-difference, Two-parameters, Accurate Solution
Quartic non-polynomial spline method is presented to solve the singularly perturbed differential-difference equation containing two parameters. The considered equation is transformed into an asymptotical equivalent differential equation, and the derivatives are replaced finite difference approximation using the quartic non-polynomial spline method. The convergence analysis of the method has been established. Numerical experimentation is carried out on model examples, and the results are presented both in tables and graphs. Furthermore, the present method gives a more accurate solution than some existing methods reported in the literature.
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