An upwind finite difference method to singularly perturbed parabolic convection-diffusion problems with discontinuous initial conditions on a piecewise-uniform mesh

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the description outlines a specific numerical approach (upwind finite difference method) for solving a type of partial differential equation (singularly perturbed parabolic convection-diffusion problems) with additional complexities such as discontinuous initial conditions. The choice of a piecewise-uniform mesh suggests a structured grid approach for discretizing the spatial domain. This kind of numerical method is commonly employed in scientific computing and engineering to simulate and analyze physical processes governed by partial differential equations.

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