Mathematics Homework Solutions

source problem of heat equation

Derive the source solution by performing integral transforms of the equation: (see attachment)

PDE with Time-Dependent Domain

Consider the diffusion equation attached on the time-dependent domain where a is a constant. We wish to solve the initial and boundary value problem... (SEE ATTACHMENT)

Helmholtz Equation

a)Solve the Helmholtz equation when u is a function of r only in 2-D. b)Solve the Helmholtz equation when u is a function of r only in 3-D. (see attachment for full question)

Dipoles and Laplacian

Consider a dipole of strength D, oriented along the x-axis and located at the point x =E/2... Take the limit as E->0,ED = fixed and show that the limiting potential is given by... (See attachment for full question)

Fourier Series of Function f; Laplace's Equation; Heat Equation

Please assist me with the attached Fourier Series problems. Thanks!

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