Solutions To a Parabolic Equation Based on Polynomials P_1,P_2 and P_3 in the Square Domain Using Galerkin Method
Abstract
In this work, we provide a finite element method (FEM) that is based on linear, quadratic and cubic polynomials for the purpose of solving the two-dimensional parabolic heat problem in the square domain. In light of this, the discrete issue is governed by a set of linear equations, which can be solved by applying traditional methods. In these equations, the coefficients are positive-definite and symmetric at the same time. By doing numerical experiments, one can obtain error estimators that are optimal for both for L^2 and H^1 norms. For the purpose of validating the solution and developing a graphical representation, we make use the MATLAB R2018b software.
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