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2. Two-point boundary value problem with Dirichlet condition. Consider the two-point boundary val...
Consider a potential problem in the half-space defined by 2 20, with Dirichlet boundary conditions on...
Consider a potential problem in the half-space defined by 2 20, with Dirichlet boundary conditions on the plane z = 0 and at infinity). (a) Write down the appropriate Green function G(x, x'). (b) If the potential on the plane z = 0 is specified to be 0 Vinside a circle of radius a centered at the origin, and Ø = 0 outside that circle, find an integral expression for the potential at the point P specified in terms of...
Use the following two points boundary value problem; see attached picture of the question.
use the following two points boundary value
problem;
see attached picture of the question.
14. (5 marks) Use the following two points boundary value problem y" + (4 +6.26x2)y+y 2. 55+5.08x Boundary conditions are y(1) 1.01 and y(2) 1.03. Discretization using h- produces the system Ay-D 0 0 50zo 2.26074 -0.782407 -0.507083 2.50708 0 2.78241 -1.08671 The right hand side of the system is 0.2825 0.306019-2.84978
14. (5 marks) Use the following two points boundary value problem y" + (4...
Question 3: BVP with periodic boundary conditions. Part I: Solve the following boundary value problem (BVP)...
Question 3: BVP with periodic boundary conditions. Part I: Solve the following boundary value problem (BVP) where y(x,t) is defined for 0<x<. You must show all of your work (be sure to explore all possible eigenvalues). агу д?у 4 axat2 Subject to conditions: = y(x,0) = 4 sin 6x ayi at = 0 y(0) = 0 y(T) = 0 Solution: y(x, t) = Do your work on the next page. Part II: Follow up questions. You may answer these questions...
Discretization, ODE solving, condition number. Consider the differential equation 5y"(x) - 2y'(x) +10y(x)0 on the interval x E [0,10] with boundary conditions y(0)2 and y (10) 3 we set up a f...
Discretization, ODE solving, condition number. Consider the differential equation 5y"(x) - 2y'(x) +10y(x)0 on the interval x E [0,10] with boundary conditions y(0)2 and y (10) 3 we set up a finite difference scheme as follows. Divide [0,10] into N-10 sub-intervals, i.e. {xo, X1, [0,1,. 10. Denote xi Xo + ih (here, h- 1) and yi E y(x). Approximate the derivatives as follows X10- 2h we have the following equations representing the ODE at each point Xi ,i = 1,...
2. Show that the Dirichlet problem for the disc t(z,y): +y S R2), where f(0) is the boundary func...
use the hint please
2. Show that the Dirichlet problem for the disc t(z,y): +y S R2), where f(0) is the boundary function, has the solution 0o aj COS 1 sin j 3-1 where a, and b, are the Fourier coefficients of f. Show also that the Poisson integral formula for this more general disc setting is R22 (Hint: Do not solve this problem from first principles. Rather, do a change of variables to reduce this new problem to the...
(1 point) Determine the values of (eigenvalues) for which the boundary-value problem g” + y =...
(1 point) Determine the values of (eigenvalues) for which the boundary-value problem g” + y = 0, 0 < x < 4 y(0) = 0, y' (4) = 0 has a non-trivial solution. An = a , n=1,2,3,... Your formula should give the eigenvalues in increasing order. The eigenfunctions to the eigenvalue in are Yn = Cn* sin(n*pi/2*x) where On is an arbitrary constant.
(1 point) Determine the values of a (eigenvalues) for which the boundary-value problem y + y...
(1 point) Determine the values of a (eigenvalues) for which the boundary-value problem y + y = 0, 0 < x < 8 y(0) = 0, y'(8) = 0 has a non-trivial solution. = an ((2n-1)^2pi^2)/256 ,n= 1, 2, 3, ... Your formula should give the eigenvalues in increasing order. The eigenfunctions to the eigenvalue an are Yn = Cn* sin ((2n-1) pi n/16) where Cn is an arbitrary cons
7. Consider the boundary value problem for the Laplace equation on the strip u (0, y)...
7. Consider the boundary value problem for the Laplace equation on the strip u (0, y) u (т, y) = 0, = a. Explain why it makes sense to look for a solution of the form b. Find all solutions of the form u(x, y) -ZYn (v)sinnx satisfying c. Among the solutions you found in part (b) find the unique solution u (x, y)-Yn (y) sin n. the Laplace equation and the boundary conditions. (i.e. find Yn. (3).) that satisfies...
6. Consider the following constrained maximization problem: 2 5 tu (х, у) x7y7 max х,у s.t...
6. Consider the following constrained maximization problem: 2 5 tu (х, у) x7y7 max х,у s.t Рxх + pуy < м 3, py = 4, M = 12. Answer the following questions with px a. Write down the Lagrangian function b. Derive the first order conditions c. Derive the optimality condition from those conditions d. Write the other optimality condition (since there should be two in order for us to solve for two unknowns) e. Find the optimal values for...
03. Consider the boundary value problem 0 Sts1 y(0) & y(1)-1 where k > 0 is a given real paramete...
03. Consider the boundary value problem 0 Sts1 y(0) & y(1)-1 where k > 0 is a given real parameter a. Verify that y(t) = e-kt (14) is the exact solution of the BVP. b. Use the function mybvp() from the previous problem with h -0.1 and k -10, to solve the BVP by the Finite Difference Method. Plot, on the same axes, the numerical and exact solution. c. Using a log-log plot, graph the maximum error as a function...
Consider a potential problem in the half-space defined by 2 20, with Dirichlet boundary conditions on the plane z = 0 and at infinity). (a) Write down the appropriate Green function G(x, x'). (b) If the potential on the plane z = 0 is specified to be 0 Vinside a circle of radius a centered at the origin, and Ø = 0 outside that circle, find an integral expression for the potential at the point P specified in terms of...
use the following two points boundary value
problem;
see attached picture of the question.
14. (5 marks) Use the following two points boundary value problem y" + (4 +6.26x2)y+y 2. 55+5.08x Boundary conditions are y(1) 1.01 and y(2) 1.03. Discretization using h- produces the system Ay-D 0 0 50zo 2.26074 -0.782407 -0.507083 2.50708 0 2.78241 -1.08671 The right hand side of the system is 0.2825 0.306019-2.84978
14. (5 marks) Use the following two points boundary value problem y" + (4...
Question 3: BVP with periodic boundary conditions. Part I: Solve the following boundary value problem (BVP) where y(x,t) is defined for 0<x<. You must show all of your work (be sure to explore all possible eigenvalues). агу д?у 4 axat2 Subject to conditions: = y(x,0) = 4 sin 6x ayi at = 0 y(0) = 0 y(T) = 0 Solution: y(x, t) = Do your work on the next page. Part II: Follow up questions. You may answer these questions...
Discretization, ODE solving, condition number. Consider the differential equation 5y"(x) - 2y'(x) +10y(x)0 on the interval x E [0,10] with boundary conditions y(0)2 and y (10) 3 we set up a finite difference scheme as follows. Divide [0,10] into N-10 sub-intervals, i.e. {xo, X1, [0,1,. 10. Denote xi Xo + ih (here, h- 1) and yi E y(x). Approximate the derivatives as follows X10- 2h we have the following equations representing the ODE at each point Xi ,i = 1,...
use the hint please
2. Show that the Dirichlet problem for the disc t(z,y): +y S R2), where f(0) is the boundary function, has the solution 0o aj COS 1 sin j 3-1 where a, and b, are the Fourier coefficients of f. Show also that the Poisson integral formula for this more general disc setting is R22 (Hint: Do not solve this problem from first principles. Rather, do a change of variables to reduce this new problem to the...
(1 point) Determine the values of (eigenvalues) for which the boundary-value problem g” + y = 0, 0 < x < 4 y(0) = 0, y' (4) = 0 has a non-trivial solution. An = a , n=1,2,3,... Your formula should give the eigenvalues in increasing order. The eigenfunctions to the eigenvalue in are Yn = Cn* sin(n*pi/2*x) where On is an arbitrary constant.
(1 point) Determine the values of a (eigenvalues) for which the boundary-value problem y + y = 0, 0 < x < 8 y(0) = 0, y'(8) = 0 has a non-trivial solution. = an ((2n-1)^2pi^2)/256 ,n= 1, 2, 3, ... Your formula should give the eigenvalues in increasing order. The eigenfunctions to the eigenvalue an are Yn = Cn* sin ((2n-1) pi n/16) where Cn is an arbitrary cons
7. Consider the boundary value problem for the Laplace equation on the strip u (0, y) u (т, y) = 0, = a. Explain why it makes sense to look for a solution of the form b. Find all solutions of the form u(x, y) -ZYn (v)sinnx satisfying c. Among the solutions you found in part (b) find the unique solution u (x, y)-Yn (y) sin n. the Laplace equation and the boundary conditions. (i.e. find Yn. (3).) that satisfies...
6. Consider the following constrained maximization problem: 2 5 tu (х, у) x7y7 max х,у s.t Рxх + pуy < м 3, py = 4, M = 12. Answer the following questions with px a. Write down the Lagrangian function b. Derive the first order conditions c. Derive the optimality condition from those conditions d. Write the other optimality condition (since there should be two in order for us to solve for two unknowns) e. Find the optimal values for...
03. Consider the boundary value problem 0 Sts1 y(0) & y(1)-1 where k > 0 is a given real parameter a. Verify that y(t) = e-kt (14) is the exact solution of the BVP. b. Use the function mybvp() from the previous problem with h -0.1 and k -10, to solve the BVP by the Finite Difference Method. Plot, on the same axes, the numerical and exact solution. c. Using a log-log plot, graph the maximum error as a function...
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