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30. (Hard) (Fourier series) Show that the infinite set はァsin nz.lcos nz : n-1,2. . . .} is an orthonormal set in the...
3. Let V-CỦ-π, π]), the vector space of continuous functions on [-π, π]. Let (a) Prove that ( , )...
3. Let V-CỦ-π, π]), the vector space of continuous functions on [-π, π]. Let (a) Prove that ( , ) is an inner product (b) Let S-{sin r, cos z, sin 2r, cos 2r, sin 3x, cos 3x,...n-1,2,. Show that S is a set of orthonormal vectors
3. Let V-CỦ-π, π]), the vector space of continuous functions on [-π, π]. Let (a) Prove that ( , ) is an inner product (b) Let S-{sin r, cos z, sin 2r, cos...
Advanced linear algebra, need full proof thanks Let V be an inner product space (real or comple...
advanced linear algebra, need full proof thanks
Let V be an inner product space (real or complex, possibly
infinite-dimensional). Let
{v1, . . . , vn} be an orthonormal set of vectors.
4. Let V be an inner product space (real or complex, possibly infinite-dimensional. Let [vi,..., Vn) be an orthonormal set of vectors. a) Show that 1 (b) Show that for every x e V, with equality holding if and only if x spanfvi,..., vn) (c) Consider the space...
5. For parts (a)-(d) below, consider the set of vectors B = {(1,2), (2, -1)}. (a)...
5. For parts (a)-(d) below, consider the set of vectors B = {(1,2), (2, -1)}. (a) (2 points) Demonstrate that B is an orthogonal set in the Euclidean inner product space R2. (b) (3 points) Use the set B to create an orthonormal basis in the Euclidean inner product space R2 (e) (7 points) Find the transition matrix from the standard basis S = {(1,0),(0,1)} for R2 to the basis B. Show all steps in your calculation. (d) (7 points)...
2) The set S of all real-valued functions f(x) of a single real variable z is...
2) The set S of all real-valued functions f(x) of a single real variable z is a vector space. (a) Show that the set L of all real-valued linear functions f(x) = mx + b of a single variable x is a subspace of S. (b) Show tha (f(x), g(x))= | f(z)g(x)dx is an inner product on L. (c) Find an orthonormal basis for C with respect to the inner product defined in (b)
It is known that Fourier series of f(x)=x is 2° 2(-1)" + "sin(nx) (n 1 on...
It is known that Fourier series of f(x)=x is 2° 2(-1)" + "sin(nx) (n 1 on interval [-T, T). Use this to find the value of the infinite sum 1 - + 1 1 5 7 3
/lay Figure 9.1: Discrete-time sinusoid sin 0.11 n and its Fourier spectra. x[n] = sin Olan=...
/lay Figure 9.1: Discrete-time sinusoid sin 0.11 n and its Fourier spectra. x[n] = sin Olan= (010.17n – e-O.lan) (9.15) From the spectra in Fig. 9.1 write the Fourier series corresponding to the interval - 10 2r> -30 (or-T2N>-37). Show that this Fourier is equivalent to that in Eq. (9.15).
5. For any real number L > 0, consider the set of functions fx(x) = cos...
5. For any real number L > 0, consider the set of functions fx(x) = cos ("I") and In(x) = sin (^) se hos e mais a positive in where n is a positive integer. Show that these functions are orthonormal in the sense that (a) 1 L È Lsu(w) m(e)dx = {if m=n. fn (2) fm(x) dx = {. if m En if m =n -L 1 L il fn(x)9m(x)dx = 0 (c) il 9.(X)gm()dx = {{ if m=n...
33. Let C[0, 1] be the space of real-valued continuous functions on [0, 1] with inner...
33. Let C[0, 1] be the space of real-valued continuous functions on [0, 1] with inner product Kf.9) (x)g()d(r). 2 cos 2Tir and g.(r)-v2 sin 2mix for i 1.2,... Show that (1. fi.g. f2 92 Suppose that fi(r) is an orthonormal set.
Show that the Fourier Series with an and bn can be written as rS n Sin Cn eXp nO0O where cn are c...
Show that the Fourier Series with an and bn can be written as rS n Sin Cn eXp nO0O where cn are complex coefficients. What is their value?
Show that the Fourier Series with an and bn can be written as rS n Sin Cn eXp nO0O where cn are complex coefficients. What is their value?
Consider the series following series of functions ' sin(nx) 3 n-1 a) Show that the series is absolutely and uniformly convergent on the real axis. Let f be its summation function n sin(nx) b) Sho...
Consider the series following series of functions ' sin(nx) 3 n-1 a) Show that the series is absolutely and uniformly convergent on the real axis. Let f be its summation function n sin(nx) b) Show that f E C(R) and that 1 cos(nx) f'(x)= 2-1 c) Show that 「 f#072821) f(x)dx = k=0
Consider the series following series of functions ' sin(nx) 3 n-1 a) Show that the series is absolutely and uniformly convergent on the real axis. Let f...
3. Let V-CỦ-π, π]), the vector space of continuous functions on [-π, π]. Let (a) Prove that ( , ) is an inner product (b) Let S-{sin r, cos z, sin 2r, cos 2r, sin 3x, cos 3x,...n-1,2,. Show that S is a set of orthonormal vectors
3. Let V-CỦ-π, π]), the vector space of continuous functions on [-π, π]. Let (a) Prove that ( , ) is an inner product (b) Let S-{sin r, cos z, sin 2r, cos...
advanced linear algebra, need full proof thanks
Let V be an inner product space (real or complex, possibly
infinite-dimensional). Let
{v1, . . . , vn} be an orthonormal set of vectors.
4. Let V be an inner product space (real or complex, possibly infinite-dimensional. Let [vi,..., Vn) be an orthonormal set of vectors. a) Show that 1 (b) Show that for every x e V, with equality holding if and only if x spanfvi,..., vn) (c) Consider the space...
5. For parts (a)-(d) below, consider the set of vectors B = {(1,2), (2, -1)}. (a) (2 points) Demonstrate that B is an orthogonal set in the Euclidean inner product space R2. (b) (3 points) Use the set B to create an orthonormal basis in the Euclidean inner product space R2 (e) (7 points) Find the transition matrix from the standard basis S = {(1,0),(0,1)} for R2 to the basis B. Show all steps in your calculation. (d) (7 points)...
2) The set S of all real-valued functions f(x) of a single real variable z is a vector space. (a) Show that the set L of all real-valued linear functions f(x) = mx + b of a single variable x is a subspace of S. (b) Show tha (f(x), g(x))= | f(z)g(x)dx is an inner product on L. (c) Find an orthonormal basis for C with respect to the inner product defined in (b)
It is known that Fourier series of f(x)=x is 2° 2(-1)" + "sin(nx) (n 1 on interval [-T, T). Use this to find the value of the infinite sum 1 - + 1 1 5 7 3
/lay Figure 9.1: Discrete-time sinusoid sin 0.11 n and its Fourier spectra. x[n] = sin Olan= (010.17n – e-O.lan) (9.15) From the spectra in Fig. 9.1 write the Fourier series corresponding to the interval - 10 2r> -30 (or-T2N>-37). Show that this Fourier is equivalent to that in Eq. (9.15).
5. For any real number L > 0, consider the set of functions fx(x) = cos ("I") and In(x) = sin (^) se hos e mais a positive in where n is a positive integer. Show that these functions are orthonormal in the sense that (a) 1 L È Lsu(w) m(e)dx = {if m=n. fn (2) fm(x) dx = {. if m En if m =n -L 1 L il fn(x)9m(x)dx = 0 (c) il 9.(X)gm()dx = {{ if m=n...
33. Let C[0, 1] be the space of real-valued continuous functions on [0, 1] with inner product Kf.9) (x)g()d(r). 2 cos 2Tir and g.(r)-v2 sin 2mix for i 1.2,... Show that (1. fi.g. f2 92 Suppose that fi(r) is an orthonormal set.
Show that the Fourier Series with an and bn can be written as rS n Sin Cn eXp nO0O where cn are complex coefficients. What is their value?
Show that the Fourier Series with an and bn can be written as rS n Sin Cn eXp nO0O where cn are complex coefficients. What is their value?
Consider the series following series of functions ' sin(nx) 3 n-1 a) Show that the series is absolutely and uniformly convergent on the real axis. Let f be its summation function n sin(nx) b) Show that f E C(R) and that 1 cos(nx) f'(x)= 2-1 c) Show that 「 f#072821) f(x)dx = k=0
Consider the series following series of functions ' sin(nx) 3 n-1 a) Show that the series is absolutely and uniformly convergent on the real axis. Let f...
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