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8. (a) Determine the Fourier sine series for the function { f(x) L 2 0 (b)...
Question 4. Calculate the Fourier sine series and the Fourier cosine series of the function f(x)...
Question 4. Calculate the Fourier sine series and the Fourier cosine series of the function f(x) = sin(x) on the interval [0, 1]. Hint: For the cosine series, it is easiest to use the complex exponential version of Fourier series. Question 5. Solve the following boundary value problem: Ut – 3Uzx = 0, u(0,t) = u(2,t) = 0, u(x,0) = –2? + 22 Question 6. Solve the following boundary value problem: Ut – Uxx = 0, Uz(-7,t) = uz (77,t)...
(1 point) Consider the Fourier sine series: ) 14, sin( f(z) a. Find the Fourier coefficients for the function f(x)-9, 0, TL b. Use the computer to draw the Fourier sine series of f(x), for x E-15, 15...
(1 point) Consider the Fourier sine series: ) 14, sin( f(z) a. Find the Fourier coefficients for the function f(x)-9, 0, TL b. Use the computer to draw the Fourier sine series of f(x), for x E-15, 151, showing clearly all points of convergence. Also, show the graphs with the partial sums of the Fourier series using n = 5 and n = 20 terms.
(1 point) Consider the Fourier sine series: ) 14, sin( f(z) a. Find the Fourier...
(2) Consider the function f(x)- 1 (a) Find the Fourier sine series of f (b) Find...
(2) Consider the function f(x)- 1 (a) Find the Fourier sine series of f (b) Find the Fourier cosine series of f. (c) Find the odd extension fodd of f. (d) Find the even extension feven of f. (e) Find the Fourier series of fod and compare it with your result -x on 0<a < 1. in (a) (f) Find the Fourier series of feven and compare it with your result in (b)
2. We are lo solve y" -ky -) (O < x < L) subject to the boundary conditions y(0)y(L)0. a) Find Gr...
2. We are lo solve y" -ky -) (O < x < L) subject to the boundary conditions y(0)y(L)0. a) Find Green's function by direct construction and show that for x ξ? b) Solve the equation G"- kG -(x - by the Fourier sine series method. is equivalent to the solution Can you show that the series obtained for G(x | found under (a)?
2. We are lo solve y" -ky -) (O
Fourier Series for Odd Functions Recall that if f is an odd function, f(-x)f(x). An odd Fourier series has only the...
Fourier Series for Odd Functions Recall that if f is an odd function, f(-x)f(x). An odd Fourier series has only the sine terms, and can be approximate an odd function, so Fo(x) b sinx)+b2 sin(2x)+ b, sin(3x)+. Why is there no b, term in the series F, (x)? 1. 2. Using steps similar to those outlined for even functions, develop a rule for finding the coefficients to approximate any odd function on the interval [-π, π]. 3. If f (x)sin...
= Problem #2: The function f(x) sin(4x) on [0:1] is expanded in a Fourier series of...
= Problem #2: The function f(x) sin(4x) on [0:1] is expanded in a Fourier series of period Which of the following statement is true about the Fourier series of f? (A) The Fourier series of f has only cosine terms. (B) The Fourier series of f has neither sine nor cosine terms. (C) The Fourier series of f has both sine and cosine terms. (D) The Fourier series of f has only sine terms.
n=7 Question 3 3 pts Find the Fourier Sine series for the function defined by f(x)...
n=7
Question 3 3 pts Find the Fourier Sine series for the function defined by f(x) = { 0, 2n, 0 <*n n<<2n and write down, 1. The period T and the frequency wo of the Fourier Sine series 2. The coefficients for r = 1,2,3,...
i) Find the Fourier coefficient b for the half-range sine series to represent the function f...
i) Find the Fourier coefficient b for the half-range sine series to represent the function f (x) defined by f(x)=3+x, 0<x<4. (12 marks) ii) Rewrite f(x) as a Fourier series expansion and simplify where appropriate. (3 marks)
find the Fourier cosine and sine series for the function f defined on an interval 0<t<L and sketch the graphs of the two extensions of f to which these two series converge: f(t)=1-t, 0<t<1...
find the Fourier cosine and sine series for the function f defined on an interval 0<t<L and sketch the graphs of the two extensions of f to which these two series converge: f(t)=1-t, 0<t<1
#8 i meant to post #4 (8) Find the function whose Fourier transform is f(k)- (9) Find the solution to the heat equation on the real line have the initial (b) Use your Green's function to...
#8
i
meant to post #4
(8) Find the function whose Fourier transform is f(k)- (9) Find the solution to the heat equation on the real line have the initial (b) Use your Green's function to find the solution when f(x) 1. function to find the solution when f(x)I. (4) Use the Method of Images to construct the Green's function for 2y a2 that is subject to homogeneous Dirichlet boundary conditions. (b) Use your Green's function to solve the boundary...
Question 4. Calculate the Fourier sine series and the Fourier cosine series of the function f(x) = sin(x) on the interval [0, 1]. Hint: For the cosine series, it is easiest to use the complex exponential version of Fourier series. Question 5. Solve the following boundary value problem: Ut – 3Uzx = 0, u(0,t) = u(2,t) = 0, u(x,0) = –2? + 22 Question 6. Solve the following boundary value problem: Ut – Uxx = 0, Uz(-7,t) = uz (77,t)...
(1 point) Consider the Fourier sine series: ) 14, sin( f(z) a. Find the Fourier coefficients for the function f(x)-9, 0, TL b. Use the computer to draw the Fourier sine series of f(x), for x E-15, 151, showing clearly all points of convergence. Also, show the graphs with the partial sums of the Fourier series using n = 5 and n = 20 terms.
(1 point) Consider the Fourier sine series: ) 14, sin( f(z) a. Find the Fourier...
(2) Consider the function f(x)- 1 (a) Find the Fourier sine series of f (b) Find the Fourier cosine series of f. (c) Find the odd extension fodd of f. (d) Find the even extension feven of f. (e) Find the Fourier series of fod and compare it with your result -x on 0<a < 1. in (a) (f) Find the Fourier series of feven and compare it with your result in (b)
2. We are lo solve y" -ky -) (O < x < L) subject to the boundary conditions y(0)y(L)0. a) Find Green's function by direct construction and show that for x ξ? b) Solve the equation G"- kG -(x - by the Fourier sine series method. is equivalent to the solution Can you show that the series obtained for G(x | found under (a)?
2. We are lo solve y" -ky -) (O
Fourier Series for Odd Functions Recall that if f is an odd function, f(-x)f(x). An odd Fourier series has only the sine terms, and can be approximate an odd function, so Fo(x) b sinx)+b2 sin(2x)+ b, sin(3x)+. Why is there no b, term in the series F, (x)? 1. 2. Using steps similar to those outlined for even functions, develop a rule for finding the coefficients to approximate any odd function on the interval [-π, π]. 3. If f (x)sin...
= Problem #2: The function f(x) sin(4x) on [0:1] is expanded in a Fourier series of period Which of the following statement is true about the Fourier series of f? (A) The Fourier series of f has only cosine terms. (B) The Fourier series of f has neither sine nor cosine terms. (C) The Fourier series of f has both sine and cosine terms. (D) The Fourier series of f has only sine terms.
n=7
Question 3 3 pts Find the Fourier Sine series for the function defined by f(x) = { 0, 2n, 0 <*n n<<2n and write down, 1. The period T and the frequency wo of the Fourier Sine series 2. The coefficients for r = 1,2,3,...
i) Find the Fourier coefficient b for the half-range sine series to represent the function f (x) defined by f(x)=3+x, 0<x<4. (12 marks) ii) Rewrite f(x) as a Fourier series expansion and simplify where appropriate. (3 marks)
#8
i
meant to post #4
(8) Find the function whose Fourier transform is f(k)- (9) Find the solution to the heat equation on the real line have the initial (b) Use your Green's function to find the solution when f(x) 1. function to find the solution when f(x)I. (4) Use the Method of Images to construct the Green's function for 2y a2 that is subject to homogeneous Dirichlet boundary conditions. (b) Use your Green's function to solve the boundary...
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