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In this study linear and nonlinear higher order singularly perturbed problemsare examined by a numerical approach, the differential quadrature method. Here,the main idea is using Chebyshev polynomials to acquire the weightingcoefficient matrix which is necessary to get numerical results. Following this,different class of perturbation problems are considered as test problems. Then,all results are shown in tables and also comparison between numerical and exactsolution shows the accuracy and effectiveness of the presented method.

Chebyshev Differential Quadrature for Numerical Solutions of Higher Order Singular Perturbation Problems