An Introduction to the Finite Element Method for Differential Equations. Mohammad Asadzadeh

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An Introduction to the Finite Element Method for Differential Equations - Mohammad Asadzadeh

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1.16 Use the substitution to transform the one‐dimensional convection–diffusion equationinto a heat equation for .

      10 Problem 1.17 If , let satisfyDerive the identity

      11 Problem 1.18 Find the possible values of and in the expression such that it satisfies the wave equation

      12 Problem 1.19 Taking , where is any function, find the values of that will ensure satisfies the wave equation

      13 Problem 1.20 The spherically symmetric version of the wave equation takes the formShow, by putting , that it has a solution of the form

      14 Problem 1.21 Let and . Use the chain rule to show that

      15 Problem 1.22 Show that the solution of the initial value problemsatisfies d'Alembert's formula:

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