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Consider the differential equation (a) Take the Fourier transform of this differential equation t...
Use the Fourier transform to find a solution of the ordinary differential equation u´´-u+2g(x) =0 where g∈L1. (The solu...
Use the Fourier transform to find a solution of the ordinary
differential equation u´´-u+2g(x) =0
where g∈L1. (The solution obtained this
way is the one that vanishes at ±∞. What is the general
solution?)
1. Use the Fourier transform to find a solution of the ordinary differential equation u" - u + 2g(x) = 0 where g E L. (The solution obtained this way is the one that vanishes at £oo. What is the general solution?) eg(y)dy eg(y)dy e Answer:...
This is a fourier series/ transform question Consider an LTI system whose response to the input...
This is a fourier series/ transform question
Consider an LTI system whose response to the input x)lee3ut) is y)12e-2e4Ju) (a) Find the frequency response of this system. (b) Determine the system's impulse response (c) Find the differential equation relating the input and the output of this system.
(1 point) Consider the initial value problem where g)-t ifosi«5 a. Take the Laplace transform of...
(1 point) Consider the initial value problem where g)-t ifosi«5 a. Take the Laplace transform of both sides of the given differential equation to create the corresponding algebraic equation. Denote the Laplace transform of y(t) by Y(s). Do not move any terms from one side of the equation to the other (until you get to part (b) below). help (formulas) b. Solve your equation for Y(s) (s) = L {y(t)) = c. Take the inverse Laplace transform of both sides...
3. (20 points) Consider a modified wave equation partial differential equation -2+ utt = ur- (a) ...
3. (20 points) Consider a modified wave equation partial differential equation -2+ utt = ur- (a) Take the Fourier transform of uu u ug t u, e expressing ün in terms of ú where Flu). u (b) Pind a solution for u(w, t) to the equation derived in part a. (c) Describe how your solution in part b compares to the solution of the original wave equation (ull = urr), what is the longterm behavior of your solution to the...
3. Consider the equation a(x, 0) = f(x) u(x,t) lim 0 Using a Fourier transform, solve this equati...
Fourier transform:
3. Consider the equation a(x, 0) = f(x) u(x,t) lim 0 Using a Fourier transform, solve this equation. Evaluate your solution in the case when f(x)-δ(x).
3. Consider the equation a(x, 0) = f(x) u(x,t) lim 0 Using a Fourier transform, solve this equation. Evaluate your solution in the case when f(x)-δ(x).
Using Fourier transform, prove that a solution of the Laplace equation in the half plane: Urn+...
Using Fourier transform, prove that a solution of the Laplace equation in the half plane: Urn+ Uyy=0,- << ,y>0, with the boundary conditions u(1,0) = f(t), - <I< u(x,y) +0,31 +0,+0, is given by r(2, y) == Love you > 0. Hint: 1. Take Fourier transform on the variable r, 2. Observe U(k, y) +0 as y → 00, 3. Use pt {e-Mliv = Vice in
Consider the discrete time signal x[n]: 13 -5 10 2.5 Compute the discrete time Fourier transform ...
Consider the discrete time signal x[n]: 13 -5 10 2.5 Compute the discrete time Fourier transform (DTFT) X (A). Find the period ofX(Q). Hint: First write the x[n] showed above as two pulse functions then take the DTFT using the equation given below Express discrete Fourier transform (DFT) of x[n] using DTFT X(Q). a. b.
Consider the discrete time signal x[n]: 13 -5 10 2.5 Compute the discrete time Fourier transform (DTFT) X (A). Find the period ofX(Q). Hint: First...
a) Consider the first-order differential equation (y + cos.r) dx + dy = 0. By multiplying...
a) Consider the first-order differential equation (y + cos.r) dx + dy = 0. By multiplying integrating factor y(x) = ei" to both sides, show that the differential equation is exact. Hence, solve the differential equation. (6 marks) b) Solve the differential equation (4.r + 5)2 + ytan z = dc COSC (7 marks)
1. Consider the function f(x)-e- (a) Find its Fourier transform. (b) Use the result of part (a) t...
1. Consider the function f(x)-e- (a) Find its Fourier transform. (b) Use the result of part (a) to find the value of the integral o0 cos kx dk 0 1 +k2 (c) Show explicitly that Parseval's theorem is satisfied for eand its Fourier transform
1. Consider the function f(x)-e- (a) Find its Fourier transform. (b) Use the result of part (a) to find the value of the integral o0 cos kx dk 0 1 +k2 (c) Show explicitly that Parseval's...
solve k2 Solve the following partial differential equation by Laplace transform: д?у ду dx2 at ,...
solve
k2 Solve the following partial differential equation by Laplace transform: д?у ду dx2 at , with the initial and boundary conditions: t = 0, y = A x = 0, y = B[u(t) – uſt - to)] x = 0, y = 1 5 Where, k, A, B and to are constants
Use the Fourier transform to find a solution of the ordinary
differential equation u´´-u+2g(x) =0
where g∈L1. (The solution obtained this
way is the one that vanishes at ±∞. What is the general
solution?)
1. Use the Fourier transform to find a solution of the ordinary differential equation u" - u + 2g(x) = 0 where g E L. (The solution obtained this way is the one that vanishes at £oo. What is the general solution?) eg(y)dy eg(y)dy e Answer:...
This is a fourier series/ transform question
Consider an LTI system whose response to the input x)lee3ut) is y)12e-2e4Ju) (a) Find the frequency response of this system. (b) Determine the system's impulse response (c) Find the differential equation relating the input and the output of this system.
(1 point) Consider the initial value problem where g)-t ifosi«5 a. Take the Laplace transform of both sides of the given differential equation to create the corresponding algebraic equation. Denote the Laplace transform of y(t) by Y(s). Do not move any terms from one side of the equation to the other (until you get to part (b) below). help (formulas) b. Solve your equation for Y(s) (s) = L {y(t)) = c. Take the inverse Laplace transform of both sides...
3. (20 points) Consider a modified wave equation partial differential equation -2+ utt = ur- (a) Take the Fourier transform of uu u ug t u, e expressing ün in terms of ú where Flu). u (b) Pind a solution for u(w, t) to the equation derived in part a. (c) Describe how your solution in part b compares to the solution of the original wave equation (ull = urr), what is the longterm behavior of your solution to the...
Fourier transform:
3. Consider the equation a(x, 0) = f(x) u(x,t) lim 0 Using a Fourier transform, solve this equation. Evaluate your solution in the case when f(x)-δ(x).
3. Consider the equation a(x, 0) = f(x) u(x,t) lim 0 Using a Fourier transform, solve this equation. Evaluate your solution in the case when f(x)-δ(x).
Using Fourier transform, prove that a solution of the Laplace equation in the half plane: Urn+ Uyy=0,- << ,y>0, with the boundary conditions u(1,0) = f(t), - <I< u(x,y) +0,31 +0,+0, is given by r(2, y) == Love you > 0. Hint: 1. Take Fourier transform on the variable r, 2. Observe U(k, y) +0 as y → 00, 3. Use pt {e-Mliv = Vice in
Consider the discrete time signal x[n]: 13 -5 10 2.5 Compute the discrete time Fourier transform (DTFT) X (A). Find the period ofX(Q). Hint: First write the x[n] showed above as two pulse functions then take the DTFT using the equation given below Express discrete Fourier transform (DFT) of x[n] using DTFT X(Q). a. b.
Consider the discrete time signal x[n]: 13 -5 10 2.5 Compute the discrete time Fourier transform (DTFT) X (A). Find the period ofX(Q). Hint: First...
a) Consider the first-order differential equation (y + cos.r) dx + dy = 0. By multiplying integrating factor y(x) = ei" to both sides, show that the differential equation is exact. Hence, solve the differential equation. (6 marks) b) Solve the differential equation (4.r + 5)2 + ytan z = dc COSC (7 marks)
1. Consider the function f(x)-e- (a) Find its Fourier transform. (b) Use the result of part (a) to find the value of the integral o0 cos kx dk 0 1 +k2 (c) Show explicitly that Parseval's theorem is satisfied for eand its Fourier transform
1. Consider the function f(x)-e- (a) Find its Fourier transform. (b) Use the result of part (a) to find the value of the integral o0 cos kx dk 0 1 +k2 (c) Show explicitly that Parseval's...
solve
k2 Solve the following partial differential equation by Laplace transform: д?у ду dx2 at , with the initial and boundary conditions: t = 0, y = A x = 0, y = B[u(t) – uſt - to)] x = 0, y = 1 5 Where, k, A, B and to are constants
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