4. (5 points each) Compute the Laplace transforms of the following functions. (You need not use...
Compute Laplace transforms of the following functions: (a) f1 = (1 + t) (b) f2 = eat sin(bt) 11, 0<t<1, (c) f3 = -1 1<t<2, | 2, t>2, Find the functions from their Laplace transforms: (a) Lyı] s(s + 1) (s +3) 2+s (b) L[42] = 52 + 2 s +5 (c) L[y3] = Solve the following initial value problems using the Laplace transform. Confirm each solution with a Matlab plot showing the function on the interval 0 <t<5. (a)...
Homework Set 5 f(t) F(S) Section 4.1: Apply the definition to directly find the Laplace transforms of the given functions. (s > 0) 1 (s > 0) S- 1. Kt) = 12 2. f = 23t+1 Use transforms from the Table (op right) to find the Laplace transforms of the given functions. t" ( n20) (s > 0) r(a + 1) 1a (a > -1) (s > 0) 5+1 3. f(t) = VE +8t 4. f(t) = sin(2tcos(2t) Use the...
Explicitly calculate the Laplace transforms of the following functions. Also state the region where it is valid. a) f(t) = 7t. (6 points) b) f(t) = sin(3t). (6 points) c)f(t) =te?!.(6 points) d) f(t) = e3'cos(2t). (7 points)
Find the Laplace transforms of the following functions:
a) f(t) = sin(at + b) Using the integral of the
Laplace transform
b) f(t) = cos(t) + sin(t/2) You can directly use
table 5.1
Tableau 5.1 Transformées de Laplace les plus couramment utilisées f(t)= £. {F()} F(s)= £{f(t)} f(t)=1 F(s) = 2 f(t)=1 F(s) == 2 3 Sl)=12 F(s) n! 4 St=1" F(s)=- 5 () at F(s)- S-a n! 6 S()=1"ar F($)= (s-a)"+1 a 7 s(t)= sin(at) F(s) s? +a? S...
5) Use the method of Laplace transforms to the solve the following boundary value problem IC: u(x, 0) 2 in the following way: a) Apply the Laplace transform in the variable of t to obtain the initial value problem b) Show that U =-+ cie'sz +cge-Vsz s the general solution to the above equation and solve for the constants c and c2 to obtain that c) By taking a power series about the origin and using the identities, sinh iz-...
Fill in the table with the appropriate Laplace or inverse Laplace transforms. You may use the Laplace Transform table located on D2L in the same folder as this quiz. f(t) = C-'{F(*)} F(s) = {{f(t)} eU(t - 3) e-2 cosh(41) S- 2 $2 + 2s + 10
4. Use the table of Laplace transforms and properties to obtain the Laplace transform of the following functions. Specify which transform pair or property is used and write in the simplest form. For part b, use the result of part pa (do not use # 28 in Table 2.2.1). For part c, use the result from part b. a. X(t) = sin 4t d. x(t) = e-St sin(4t) b. y(t) = t sin(4) e, y(t) = 1 + 3t2 c....
Calculate the Laplace transforms of the following functions using the integral definition: 1. f(t) 4 .0535 0, t>3 1, t21 4. 5, f(t) = e4t f th. following functions
Differential equations 7.2 Inverse transforms and transforms of
derivatives
Use Laplace Transforms to solve the initial value problem y" – 2y'+5y=-25x , y(0)=2, and y'(0)=3. TABLE OF LAPLACE TRANSFORMS f(0) L{f(0) = F(s) f(t) L {f(0)} = F(s) 1. 1 20. eat sinh kt k (s – a) - R2 S 1 s- a 2. t 21. ear cosh kt 52 (s - a)- K 3. " n! +10 n a positive integer 22. tsin kt 2ks (52 + 2)2...
Differential equations 7.2 Inverse transforms and transforms of
derivatives
Use Laplace Transforms to solve the initial value problem y" + 4y = 25xe", y(0)=-2, and y'(0)=1. TABLE OF LAPLACE TRANSFORMS f(0) L{f(0) = F(s) f(t) L {f(0)} = F(s) 1. 1 20. eat sinh kt k (s – a) - R2 S 1 s- a 2. t 21. ear cosh kt 52 (s - a)- K 3. " n! +10 n a positive integer 22. tsin kt 2ks (52 +...