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Let (Amxn, Bnxr) be a controllable pair and k(t) be an n-dimensional known continuous function. S...
Consider a (continuous-time) linear system x=Ax + Bu. We introduce a time discretization tk-kAT, ...
Consider a (continuous-time) linear system x=Ax + Bu. We introduce a time discretization tk-kAT, where ΔT = assume that the input u(t) is piecewise constant on the equidistant intervals tk, tk+1), , and N > 0, and N 1 a(t) = uk for t E [tk, tk+1). (a) Verify that the specific choice of input signals leads to a discretization of the continuous-time system x = Ax + Bu in terms of a discrete-time system with states x,-2(tr) and inputs...
(a) Let x(t) be a continuous-time signal known to have a first derivative ct) that is...
(a) Let x(t) be a continuous-time signal known to have a first derivative ct) that is a smooth, continuous function over all t in (-00,00). Then the integral [ [x(t) – e(t – 7)][8(t – 3) + 6(t – 10)] dt evaluates to which of the following expressions: 1. x(t)8(t – 3) 2. x(3) 3. x(3) – č(-4) + x(10) – č(3) 4. x(3) – 3(-4) (b) A continuous-time dynamic system is described by the differential equation dyſt) + 4y(t)...
Problem 1: Given the transfer function from input u(t) to output y(t), Y (s) U(s) = s 2 − 4s + 3 (s 2 + 6s + 8)(s 2 + 25...
Problem 1: Given the transfer function from input u(t) to output y(t), Y (s) U(s) = s 2 − 4s + 3 (s 2 + 6s + 8)(s 2 + 25) (a) Develop a state space model for this transfer function, in the standard form x˙ = Ax + Bu y = Cx + Du (b) Suppose that zero input is applied, such that u = 0. Perform a modal analysis of the state response for this open-loop system. Your...
Let q(t) ∈ C[t] be a polynomial of degree k. If (λ, x) is an eigen-pair...
Let q(t) ∈ C[t] be a polynomial of degree k. If (λ, x) is an eigen-pair of A ∈ Cn×n, then (q(λ), x) is an eigen-pair of q(A).
Problem 4. Let w be a positive continuous function and let n be a nonnegative integer....
Problem 4. Let w be a positive continuous function and let n be a nonnegative integer. Equip P.(R) with the inner product (p,q) = $' p(x)q(x)"(x) dx. You do not need to check that this is an inner product. (a) Prove that P.(R) has an orthonormal basis po..., Pr such that deg pk = k for each k. (b) Show that (Pk, pk) = 0 for each k, where the polynomials pį are from the preceding part. Here pé denotes...
Let X be a continuous random variable with values in [ 0, 1], uniform density function fX(x) ≡ 1 and moment generating function g(t) = (e t − 1)/t. Find in terms of g(t) the moment generating function...
Let X be a continuous random variable with values in [ 0, 1], uniform density function fX(x) ≡ 1 and moment generating function g(t) = (e t − 1)/t. Find in terms of g(t) the moment generating function for (a) −X. (b) 1 + X. (c) 3X. (d) aX + b.
The Laplace distribution (also known as the double-exponential distribution) is a continuous distribution with location parameter...
The Laplace distribution (also known as the double-exponential distribution) is a continuous distribution with location parameter m ER and density given by fm (x) = fe e-ml. Let X denote a Laplace random variable with location parameter set to be m = 0. What is E[X]? Does the variance o2 = E[(x – E[X])21 exist? Yes No Which of the following are true about X? (Choose all that apply.) Hint: The function chez is integrable, i.e. L ke-12 dc is...
Answer C 6. Let f be a continuous function on [0, oo) such that 0 f(z)...
Answer C
6. Let f be a continuous function on [0, oo) such that 0 f(z) Cl- for some C,e> 0, and let a = fo° f(x) da. (The estimate on f implies the convergence of this integral.) Let fk(x) = kf(ka) a. Show that lim00 fk(x) = 0 for all r > 0 and that the convergence is uniform on [8, oo) for any 6> 0. b. Show that limk00 So ()dz = a. c. Show that lim00 So...
Hi, can you please solve this and show work. Let W be a 2-dimensional subspace of...
Hi,
can you please solve this and show work.
Let W be a 2-dimensional subspace of R'. Recall that the function T:X → projw X, mapping any vector to its projection onto W is a linear transformation. Let A be the standard matrix of T. a) Explain why Ax = x for any vector x in W. Show that Null(A) = Wt. What is dim(Null(A))?| (Hint: Recall that, for any vector x, X - projw x is orthogonal to W.)...
Let f : R2 → R be a uniformly continuous function and assume that If(y,t)| M. Let yo E R. The goal of this exercise...
Let f : R2 → R be a uniformly continuous function and assume that If(y,t)| M. Let yo E R. The goal of this exercise is to show the existence of a function φ : [0, 1] → R that solves the initial value problem o'(t)-F(d(t),t), ф(0)-Yo (a) Show that there is a function n1,R that satisfies t <0 n(リーレ0+.GF(du(s-1/n),s)ds, t20. Hint: Define фп first on [-1,0] , then define фп。n [0,1 /n), then on [1/n, 2/n], and so on...
Consider a (continuous-time) linear system x=Ax + Bu. We introduce a time discretization tk-kAT, where ΔT = assume that the input u(t) is piecewise constant on the equidistant intervals tk, tk+1), , and N > 0, and N 1 a(t) = uk for t E [tk, tk+1). (a) Verify that the specific choice of input signals leads to a discretization of the continuous-time system x = Ax + Bu in terms of a discrete-time system with states x,-2(tr) and inputs...
(a) Let x(t) be a continuous-time signal known to have a first derivative ct) that is a smooth, continuous function over all t in (-00,00). Then the integral [ [x(t) – e(t – 7)][8(t – 3) + 6(t – 10)] dt evaluates to which of the following expressions: 1. x(t)8(t – 3) 2. x(3) 3. x(3) – č(-4) + x(10) – č(3) 4. x(3) – 3(-4) (b) A continuous-time dynamic system is described by the differential equation dyſt) + 4y(t)...
Problem 4. Let w be a positive continuous function and let n be a nonnegative integer. Equip P.(R) with the inner product (p,q) = $' p(x)q(x)"(x) dx. You do not need to check that this is an inner product. (a) Prove that P.(R) has an orthonormal basis po..., Pr such that deg pk = k for each k. (b) Show that (Pk, pk) = 0 for each k, where the polynomials pį are from the preceding part. Here pé denotes...
The Laplace distribution (also known as the double-exponential distribution) is a continuous distribution with location parameter m ER and density given by fm (x) = fe e-ml. Let X denote a Laplace random variable with location parameter set to be m = 0. What is E[X]? Does the variance o2 = E[(x – E[X])21 exist? Yes No Which of the following are true about X? (Choose all that apply.) Hint: The function chez is integrable, i.e. L ke-12 dc is...
Answer C
6. Let f be a continuous function on [0, oo) such that 0 f(z) Cl- for some C,e> 0, and let a = fo° f(x) da. (The estimate on f implies the convergence of this integral.) Let fk(x) = kf(ka) a. Show that lim00 fk(x) = 0 for all r > 0 and that the convergence is uniform on [8, oo) for any 6> 0. b. Show that limk00 So ()dz = a. c. Show that lim00 So...
Hi,
can you please solve this and show work.
Let W be a 2-dimensional subspace of R'. Recall that the function T:X → projw X, mapping any vector to its projection onto W is a linear transformation. Let A be the standard matrix of T. a) Explain why Ax = x for any vector x in W. Show that Null(A) = Wt. What is dim(Null(A))?| (Hint: Recall that, for any vector x, X - projw x is orthogonal to W.)...
Let f : R2 → R be a uniformly continuous function and assume that If(y,t)| M. Let yo E R. The goal of this exercise is to show the existence of a function φ : [0, 1] → R that solves the initial value problem o'(t)-F(d(t),t), ф(0)-Yo (a) Show that there is a function n1,R that satisfies t <0 n(リーレ0+.GF(du(s-1/n),s)ds, t20. Hint: Define фп first on [-1,0] , then define фп。n [0,1 /n), then on [1/n, 2/n], and so on...
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