Consider the initial value problem
3u" - u'+ 2u = 0, u(0) = 5, u'(0) = 0.
(a) Find the solution u(t) of this problem.
u(t) = _______
(b) For t > 0, find the first time at which |u(t)|=10. (A computer algebra system is recommended. Round your answer to four decimat places.)
t = _______
Consider the initial value problem 3u" - u'+ 2u = 0, u(0) = 5, u'(0) = 0.
Consider the initial value problem (a) Find the solution u(t) of this problem. u(t) = b) For t > O find the first time at which lu t = 10 A computer algebra system is recommended. Round your answer to four decimal places.) 回Show My Work (optional:@
please help with entire question
7(0) = -5. Consider the initial value problem 47" + 28y' +49-0, (0) - 1, (a) Solve the initial value problem. X(t) Plot its solution for osts 5. (A computer algebra system is recommended.) (b) Determine where the solution has the value zero. (c) Determine the coordinates (to, Yo) of the minimum point. (to yo)-( (d) Change the second initial condition to y(0) -b and find the solution as a function of b. Xt) Find...
Solve the initial value problem (IVP) Ut + 3ux + 3u 0, u(x,0) = x2, (x, t) ER [0, +00).
find y(t) solution of the initial value problem y’’-10y’+21y=2u(t-3), y(0)=0,y’(0)=0 here u(t) denotes the step function
Consider the following. (A computer algebra system is
recommended. Round your answers to four decimal places.) y' = 3 cos
t − 6y, y(0) = 0
Please solve all parts of d)
the equation and the evaluation of y(0.1)~y(0.4)
Consider the following. (A computer algebra system is recommended. Round your answers to four decimal places.) y 3 cos t - 6y, y(0)0 (a) Find approximate values of the solution of the given initial value problem at t 0.1, 0.2, 0.3,...
Consider the following. (A computer algebra system is recommended.) 11y' − 2y = e−πt/2, y(0) = a (b) Solve the initial value problem. y(t) = Find the critical value a0 exactly. a0 = (c) Describe the behavior of the solution corresponding to the initial value a0. For a0, the solution is y(t) =
5] Consider the following initial value problem 9utt = uzz-9r sin(t), (x,0) u(x,0' -oo < x < oo, t > 0, 0, otherwise 0, otherwise. Find the values of u(x,t) at the point x = 4, t = 3. Hint: Let u(x, t)- (x, t) + x sin(t). Write up the equation and the initial condi- tions satisfied by w. Find w(4,3) first
5] Consider the following initial value problem 9utt = uzz-9r sin(t), (x,0) u(x,0' -oo
7.17 (a) Solve the equation u, 2u, in the domain 0< x<T, t>0 under the initial boundary value conditions u(0,t)= u(r, t) 0, u(x, 0) = f(x) = x(x2 -n2). (b) Use the maximum principle to prove that the solution in (a) is a classical solution. 7.18 Prove that the formulas (7.72)-(7.75) describe solutions of (7.70)-(7.71) that are
7.17 (a) Solve the equation u, 2u, in the domain 0
3. Consider the forced but undamped system described by the initial value problem u" +u = 3 cos(wt), 4(0) = 0, 1'0) = 0. a. Find solution for u(t) when w 1. b. Plot the solution u(t) versus t for w = 0.7, 0.8, and 0.9. Describe how the response u(t) changes as w varies. What happens when w gets close to 1? Note that the natural frequency of the system is wo = 1.
Let u be the solution to the initial boundary value problem for the Heat Equation au(t,) -48Fu(t,), te (0,oo), z (0,5); with boundary conditions u(t,0) 0, u(t,5) 0, and with initial condition 5 15 15 The solution u of the problem above, with the conventions given in class, has the form with the normalization conditions vn(0)-1, u Find the functions vnwn and the constants cn n(t) wnr)
Let u be the solution to the initial boundary value problem for the...