18diagonal: Problem 3 Previous Problem List Next (1 poini) I <t Find formulas for the entries...
10:53 homework7 11 Homework7: Problem 11 Previous Problem List Next (1 point) Consider the function if0<t<2 a. Use the graph of this function to write it in terms of the Heaviside function. Use h(t - a for the Heaviside function shifted a units horizontally f(t) help (formulas) b. Find the Laplace transform 0. F(s) = L U(t)) for s help (formulas) Note: You can earn partial credit on this problemm. Pr
Section 5.4 Inner Product Spaces: Problem 6 Previous Problem Problem List Next Problem (1 point) Use the inner product < p, q >= P(-2)(-2) + p(0)q(0) + p(3)q(3) in Pz to find the orthogonal projection of p(x) = 2x2 + 3x – 5 onto the line L spanned by g(x) = 2x2 - 4x +6. projz (p) =
9.4a: Problem 3 PreviouS Problem List Next (1 point) Write 3 sin(t)-4 cos(t) in the form A sin(Bt + ф) using sum or difference formulas. 3 sin(t) - 4 cos(t)5sin(t-53) help (formulas)
piny 1520 7e ECW-3: Problem 16 Previous Problem List Next (1 point) The graph of f(t) is given below a. Represent f) using a combination of Heaviside step functions. Use ht - a) for the Heaviside function shifted a units horizontally f(t) = help (formulas) . Find the Laplace transform F(8) = C{f(0)} for 8 +0. F(s) = C {f(t)} = help (formulas) Note: You can earn partial credit on this problem
Laplace Transform: Problem 6 Previous Problem Problem List Next Problem (1 point) Find the inverse Laplace transform f(t) = --!{F(s)} of the function F(s) = 4e-25 52 + 16 f(t) = 2-1 | 4e-28 IS2 + 16 S help (formulas) Note: Use u(t) for the Heaviside function. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining.
LinearAlgebra03: Problem 2 Previous Problem List Next Previous Problem List Next (1 point) Find a set of vectors {ū, v} in R4 that spans the solution set of the equations Sw – x + 2y + 3z = 0, | 2w + 2x – y – 2z = 0. II
Section 5.5 Orthonormal Sets: Problem 6 Previous Problem Problem List Next Problem 1 (1 point) Use the inner product < f, g >= . f(x)g(x)dx in the vector space C°[0, 1] to find the orthogonal projection of f(x) = 6x2 + 1 onto the subspace V spanned by g(x) = x - and h(x) = 1. projy(f) =
Assignment 7: Problem 7 Previous Problem List Next (1 point) Find a particular solution to y" +9y = –30 sin(3t). Assignment 7: Problem 8 Previous Problem List Next (1 point) Find the solution of y" – 6y' + 9y = 324 et with y(0) = 4 and y'(0) = 5. y= Assignment 7: Problem 9 Previous Problem List Next (1 point) Let y be the solution of the initial value problem y" + y = – sin(2x), y(0) = 0,...
HW6: Problem 9 Previous Problem Problem List Next Problem (1 point) Find the Laplace transform of f(t) = 2te2sin(t) F(8) HW6: Problem 10 Previous Problem Problem List Next Problem (1 point) Find the Laplace transform of f(t) = t cos(3t) F(3)
HW6: Problem 6 Previous Problem Problem List Next Problem (1 point) Find the steady state solution y(x) for the heat problem U = Uxx + 12x +4, 0<x<3, u(0, 1) = 0, u(3, 1) = 0 u(x,0) = 3 sin(x)e Note you do not need to find u(x,t). y(x) =