(3 points) Use eigenvalues and eigenfunction expansion expansion to solve the Dirichlet problem Δ...
(1 point) Use eigenvalues and elgenfunction expansion expansion to solve the mixed Dirichlet- Neumann problem for the Laplace equation Au(x, y) = 0 on the rectangle {(x,y) : 0<x<1, 0<y<1} satisfying the BCS ux(0,y) = 0, ux(1, y) = 0, 0 < y < 1 u(x,0) = x, u(x, 1) = 0, 0<x<1 The solution can be written as The u(x, y) = Covo(y)+(x) + .(x).(y) where on is a normalized eigenfunction for "(x) = 10(x) with x(0) = 0...
2. Use eigenfunction expansion to solve the following IBVP: u,(x, t) ="-(x,t) + (t-1)sin(m), 0
2. Use eigenfunction expansion to solve the following IBVP: please answer v) (fifth one) 2. Use eigenfunction expansion to solve the following IBVP u,(x.t)-u(x.t)+(t-1)sin(a) 0<x<1 t>0 u(0,t)0, u(l,r) 0, t>0 u,(x,t)(x) cos(z), 0 <x<1 t>0 n(x,0) = 2-cos(32t) 0 < x < 1 u(0,0, u(l,t) 0, t>0 n(x,0) = 1 u,(x,0) = 0 0 < x < 1 IV Hm(x,y)+u" (x,y)--r', 0<x<1 0<y<2 u(x,0) = 0, u(x2) =-x 0 < x < 1 v) 7" 11(0,8) bounded , -π<θ<π
(4 points) This problem is concerned with solving an initial boundary value problem for the heat equation: u,(x, t)- uxx(x,), 0
This is a partial differential equations question. Please help me solve for u(x,t): Find the eigenvalues/eigenfunction and then use the initial conditions/boundary conditions to find Fourier coefficients for the equation. 3. (10 pts) Use the method of separating variables to solve the problem utt = curr u(0,t) = 0 = u(l,t) ur. 0) = 3.7 - 4, u(3,0) = 0 for 0 <r<l, t>0 fort > 0 for 0 <r<1
pls solve Problem 1: Solve the initial value / Dirichlet problem on the half-line and find the value u(1, 2): (8 points) uu(t, x) – uzz(t, x) = x +t, (t, x) € Rx [0, +00), u(0, 2) = cos(V), U(0,x) = e, u(t,0) = 1+t.
1. (50 points) Consider the particle in a one-dimensional box (0 s x S L). Assume a term is added to the Hamiltonian of the form: πχ V(x)g sin Sketch the potential and the expected eigenfunction (small g). In the limit of small g, find the second order correction to the ground state energy 2. (50 points) For a diatomic molecule rotating in free space, the Hamiltonian may be written: 12 21 Where L is the total angular momentum operator,...
Problem 3 Using Fourier series expansion, solve the heat conduction equation in one dimension a?т ат ax2 де with the Dirichlet boundary conditions: T T, if x 0, and T temperature distribution is given by: T(x, 0) -f(x) T, if x L. The initial 0 = *First find the steady state temperature distribution under the given boundary conditions. The steady form solution has the form (x)-C+C2x *Then write for the full solution T(x,t)=To(x)+u(x,t) with u(x,t) obeying the boundary contions U(0,t)...
Problem 1: Solve the initial value / Dirichlet problem on the half-line and find the value u(1, 2): (8 points) Utt(t, 2) – Uzz(t, x) = x+t, (t, x) ER [0, +co), u(0,x) = = cos(2), ut(0, 2) = e", u(t,0) = 1+t.
3. (20 points) Denote u(ar, y) the steady-state temperature in a rectangle area 0 z 10, 0yS 1. Find the temperature in the rectangle if the temperature on the up side is kept at 0°, the lower side at 10° while the temperature on the left side is S0)= sin(y) and the right side is insulated. Answer the following questions. (a) (10 points) Write the Dirichlet problem including the Laplace's equation in two dimensions and the boundary conditions. (b) (10...