e-27 2. Calculate L et sint+e-2t cos st sint+e-2 cos 3t+t%e3+ + ✓at ec [e*sin U2n(t) sin 2t sin 21
' cos(3t), t<n/2, 2. Let f(t) = sin(2t), 7/2<t< , Write f(t) in terms of the unit step e3 St. function. Then find c{f(t)}.
2. Given 12 f(t)= ={ Ost<3 t23 (a) Write f(t) in one line using the unit step function (Heaviside function). 5 points 10 points (b) Find L{f(t)}, either by using the definition of the Laplace transform or by finding the Laplace transform of your answer to part (a).
2, let f(t)-〈 2t 2-t < 4 ; g(t) = . 0 otherwise 0 5<t (a) Write each function in terms of the unit step fun ction (b) Plot each function (c) Find the Laplace transform of f (t) and g(t) 2, let f(t)-〈 2t 2-t
Express the function below using window and step functions and compute its Laplace transform. Ag(t) 10- --00 2 6 10 Click here to view the table of Laplace transforms. Click here to viow the table of nronerties of lanlace transforms O A. g(t) = (2t- 3)uột - 3) + (-2t + 7)-(1-7) O B. g(t) = (2t- 6)Il3,5(t) +(-2t + 14)II5,7t) O c. g(t) = u(t-3)+(21-6)I13,5(t)+(-2t + 14)I15,7(t) + u(t-7) OD. g(t) = (2-6)113,7(t)+(-2t + 14)u(t-5) Compute the Laplace transform...
5. In class we saw that the function r(u, v) = (sin u, (2 + cos u) cos v, (2 + cos u) sin v), 0<u<27, 050521 parametrizes a torus T, which is depicted below. (a) Calculate ||ru x rull. (b) Show that T is smooth. (c) Find the equation of the tangent plane to T at (0,). (d) Find the surface area of T (e) Earlier in the semester, we observed that a torus can be built out of...
In MATLAB plot the following: The function is periodic, with time period 2T=2, after t=2 the same sinusoidal components repeat in the same way as when 0 st < 2. The function its expanded from one time period 27, in terms of the sinusoidal components. All sinusoidal components have frequencies which are integral multiples of the fundamental frequency. 1 1 = = = 0.5Hz to = fo = cot I am cos(womt) + b, sin(wont) m=1 rad wo = 2nfo...
determine Laplace transform of a-d (a) f(1) = (1 - 4)u(t - 2) (b) g(t) = 2e-4eu(t - 1) (c) h(t) = 5 cos(2t - 1)u(t) (d) p(t) = 6[u(t - 2) - ut - 4)]
4 a. y(t)-x(t)cos(t/2 b. y(t)-x(t)cos(') x()cos(21) c. X (ju) 5. The signals y(t) in 4a-4e are passed through a filter with unit impulse response h(t) so that the output is z(t)-h(t)*y(t) . Ifthe frequency response of the filter is sketch by hand the Fourier transforms Z(j for 4a-4e Fromjust observing your sketches of Z (jo), which z(1) if any in a-e equal to the original
all parts -2t e - (13 points) Let f(t) cos 2t, sin 2t) for t 2 0. F() (a) (4 points) Find the unit tangent vector for the curve d (F(t)-v(t)) using the product rule for dt (b) (5 points) Let v(t) = 7'(t). Calculate the dot product and simplify v(t) (c) (4 points) For an arbitrary vector-valued function 7 (t) with velocity vector = 1, what can be said about the relationship between F(t) and v(t)? if F(t) (t)...