Consider the function f (x) = cos x, 0 < x < π.
(a) Find the Fourier series of the periodic odd extension of f.
(b) State the interval in which the series in (a) converges to f.
Consider the function 0<x<π/2. z, f(x) = (a) Sketch the odd and even periodic extension of f(x) for-3π 〈 x 〈 3π. (b) Find the Fourier cosine series of the even periodic extension of f(x) Consider the function 0
Consider a periodic function f(x) defines as follows: 4. f(x)-0 f(x)-0 The function is periodic every 2π Find the first four non-zero terms in the Fourier series of this function for the interval [-π, π] or equivalently for the interval [0, 2자 Note that depending if the function is odd or even, the first four terms do not necessarily correspond to h = 1, 2, 3, and 4. Consider a periodic function f(x) defines as follows: 4. f(x)-0 f(x)-0 The...
1. Consider the function defined by 1- x2, 0< |x| < 1, f(x) 0, and f(r) f(x+4) (a) Sketch the graph of f(x) on the interval -6, 6] (b) Find the Fourier series representation of f(x). You must show how to evaluate any integrals that are needed 2. Consider the function 0 T/2, T/2, T/2 < T. f(x)= (a) Sketch the odd and even periodic extension of f(x) for -3r < x < 3m. (b) Find the Fourier cosine series...
3. Consider the function defined by f(x) = 1, 0 < r< a, | 0, a< x < T, where 0a < T (a) Sketch the odd and even periodic extension of f (x) on the interval -3n < x < 3« for aT/2 (b) Find the half-range Fourier sine series expansion of f(x) for arbitrary a. (e) To what value does the half-range Fourier sine series expansion converge at r a? [8 marks 3. Consider the function defined by...
5. (a) (6) Carefully sketch the odd periodic extension, of period 2m, of the function f(x)1, 0 < x < π. (Only sketch over the interval z E [-2π, 2π). (b) (10) Find the Fourier sine series of the function in part (a) 5. (a) (6) Carefully sketch the odd periodic extension, of period 2m, of the function f(x)1, 0
There are 3 questions on this assignment. The marks awarded for each part are indi- cated in boxes. 1. Consider the function defined by f(x) = 0 and f(x)-f(x +4) 1 (a) Sketch the graph of f(x) on the interval -6,6 (b) Find the Fourier series representation of f(z). You must show how to evaluate any integrals that are needed 2. Consider the function f(x) (a) Sketch the odd and even periodic extension of f(x) for-3< x < 3m (b)...
2. Consider the function f(x) defined on 0 <x < 2 (see graph (a) Graph the extension of f(x) on the interval (-6,6) that fix) represents the pointwise convergence of the Sine series. At jump discontinuities, identify the value to which the series converges (b) Derive a general expression for the coefficients in the Fourier Sine series for f(x). Then write out the Fourier series through the first four nonzero terms. Expressions involving sin(nt/2) and cos(nt/2) must be evaluated as...
Consider a periodic function f(x) defines as follows: -π < x < -π/2, f(x) = 0 -π/2 < x < π/2, f(x) = 1 π/2 < x < π, f(x) = 0 The function is periodic every 2π. Find the first four non-zero terms in the Fourier series of this function for the interval [-π, π] or equivalently for the interval [0, 2π]. Note that depending if the function is odd or even, the first four terms do not necessarily...
Let f(x) be the 27-periodic function which is defined by f(x)-cos(x/4) for-π < x < 1. π. (a) Draw the graph of y f(x) over the interval-3π < x < 3π. Is f continuous on R? (b) Find the trigonometric Fourier Series (with L π) for f(x). Does the series converge absolutely or conditionally? Does it converge uniformly? Justify your answer. (c) Use your result to obtain explicit values for these three series: 16k2 1 16k2 1 (16k2 1)2 に1...
(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)