Homework Answers
![x = A xc 9) where A 니 ㅓ Solution: We first find eigen values of A we so live det. [A-XI] = 0 =0 3-1 니 -2 -1- =) (3) (4x) +8=0](http://img.homeworklib.com/questions/628cc550-fc09-11ea-b556-534e9d0a60a9.png?x-oss-process=image/resize,w_560)
problem 1 , find the general solution differential equation 9. 2't) = = (Å -1) =(e)...
problem 1 , find the general solution
differential equation
9. 2't) = = (Å -1) =(e) 10. aº(t) = (1 - 1) =(e) 11. a"(t) = ({ =) =(0) 12. 260 = -1)0 Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for all t E I. If f(t) and g(t) are linearly dependent on I, then W(8,9)(t)...
find the general solution differential equation 13. 2' (t) = | r(t) (3-1( (1 21) (2)...
find the general solution
differential equation
13. 2' (t) = | r(t) (3-1( (1 21) (2) 14. :'(t) = -5 15. :'(t) = 10 0 2 1 -2(t) 32 -1 16. :'(t) = '-3 0 2 1 -1 0r(t) -2 -1 Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for all t E I. If f(t) and...
Problem 1 Find the general solution: 9. 7(t) = 3 4 ar(t) ) (4) () 10....
Problem 1 Find the general solution:
9. 7(t) = 3 4 ar(t) ) (4) () 10. I'(t) 11. It) = 2. | z (t) 12. (t) = ( ) (1) Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for allt el. If f(t) and g(t) are linearly dependent on I, then W(f:9)(t) = 0 for all tel....
find the general solution for 6,7,8 (differential equation) 6. L'(t) = 1 1 -1 r(t) -3...
find the general solution for 6,7,8
(differential equation)
6. L'(t) = 1 1 -1 r(t) -3 -8 -5 3 2 4 7. :'(t) = 2 0 2 r(t) 4 2 3 1 8. r'(t) = 3 2 -1 2 1 4 -1 (t) Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for all t E I. If...
Problem 1 Find the general solution: 13. :'(t) = (6 - 3) =(0) (45 21) =()...
Problem 1 Find the general solution:
13. :'(t) = (6 - 3) =(0) (45 21) =() 14. I'(t) = 15. r'(t) = 1 0 0 2 1 -2 (t) 3 2 -1 16. :'(t) = -3 0 2 1 -1 0 (t) -2 -1 Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for allt el. If f(t)...
find the general solution for 14,15,16 differential equation 14. z't) 1 -5 21) =(0) 15. z'(t)...
find the general solution for 14,15,16
differential equation
14. z't) 1 -5 21) =(0) 15. z'(t) = 10 0 2 1 -2 (t) 3 2 -1 16. x'(t) = -3 0 2 1 -1 0 (t) -2 -1 0 Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for all t E I. If f(t) and g(t) are...
Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If...
Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to E I, then f and g are linearly independent for all te I. • If f(t) and g(t) are linearly dependent on I, then W (8,9)(t) = 0 for allt € 1. Note: This does NOT say that "If W(8,9)(x) = 0, then f(x) and g(2) are linearly dependent. Problem 2 Determine if the following functions are...
Problem 2 Determine if the following functions are linearly independent or linearly dependent. If you believe...
Problem 2 Determine if the following functions are linearly independent or linearly dependent. If you believe that they are linearly dependent (i.e. W(5,9) (+) = 0, for all t in some interval) find a dependence relation. 1. f(t) = cost, g(t) = sint 2. f(t) = 61, g(t) = 64+2 3. f(t) = 9 cos 2t, g(t) = 2 cos? t - 2 sinat 4. f(t) = 2t>, g(t) = 14
Consider the signal 2, defined for allt e Ras sin(at) 1<t<4 (t) 0 otherwise. Define the...
Consider the signal 2, defined for allt e Ras sin(at) 1<t<4 (t) 0 otherwise. Define the signal y as y(t) = x(4 – t) for allt ER For which value of t does (x+y)(t) assume its maximum value? 3 2 6 none of the other answers 4 0
Problem 3. Let D be the vector space of all differentiable function R wth the usual pointwise add...
Problem 3. Let D be the vector space of all differentiable function R wth the usual pointwise addition and scalar multiplication of functions. In other words, for f, g E D and λ E R the function R defined by: (f +Ag) ()-f(r) +Ag(x) Let R be four functions defined by: s(x)-: sin 11 c(r) : cosz, co(z)--cos(z + θ), and so(r) sin(z + θ), and Wspanls, c Which of the following statements are true: (a) For each fixed θ...
problem 1 , find the general solution
differential equation
9. 2't) = = (Å -1) =(e) 10. aº(t) = (1 - 1) =(e) 11. a"(t) = ({ =) =(0) 12. 260 = -1)0 Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for all t E I. If f(t) and g(t) are linearly dependent on I, then W(8,9)(t)...
find the general solution
differential equation
13. 2' (t) = | r(t) (3-1( (1 21) (2) 14. :'(t) = -5 15. :'(t) = 10 0 2 1 -2(t) 32 -1 16. :'(t) = '-3 0 2 1 -1 0r(t) -2 -1 Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for all t E I. If f(t) and...
Problem 1 Find the general solution:
9. 7(t) = 3 4 ar(t) ) (4) () 10. I'(t) 11. It) = 2. | z (t) 12. (t) = ( ) (1) Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for allt el. If f(t) and g(t) are linearly dependent on I, then W(f:9)(t) = 0 for all tel....
find the general solution for 6,7,8
(differential equation)
6. L'(t) = 1 1 -1 r(t) -3 -8 -5 3 2 4 7. :'(t) = 2 0 2 r(t) 4 2 3 1 8. r'(t) = 3 2 -1 2 1 4 -1 (t) Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for all t E I. If...
Problem 1 Find the general solution:
13. :'(t) = (6 - 3) =(0) (45 21) =() 14. I'(t) = 15. r'(t) = 1 0 0 2 1 -2 (t) 3 2 -1 16. :'(t) = -3 0 2 1 -1 0 (t) -2 -1 Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for allt el. If f(t)...
find the general solution for 14,15,16
differential equation
14. z't) 1 -5 21) =(0) 15. z'(t) = 10 0 2 1 -2 (t) 3 2 -1 16. x'(t) = -3 0 2 1 -1 0 (t) -2 -1 0 Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to El, then f and g are linearly independent for all t E I. If f(t) and g(t) are...
Recall: Given two functions f(t) and g(t), which are differentiable on an interval I, • If the Wronskian W(8,9)(to) #0 for some to E I, then f and g are linearly independent for all te I. • If f(t) and g(t) are linearly dependent on I, then W (8,9)(t) = 0 for allt € 1. Note: This does NOT say that "If W(8,9)(x) = 0, then f(x) and g(2) are linearly dependent. Problem 2 Determine if the following functions are...
Problem 2 Determine if the following functions are linearly independent or linearly dependent. If you believe that they are linearly dependent (i.e. W(5,9) (+) = 0, for all t in some interval) find a dependence relation. 1. f(t) = cost, g(t) = sint 2. f(t) = 61, g(t) = 64+2 3. f(t) = 9 cos 2t, g(t) = 2 cos? t - 2 sinat 4. f(t) = 2t>, g(t) = 14
Consider the signal 2, defined for allt e Ras sin(at) 1<t<4 (t) 0 otherwise. Define the signal y as y(t) = x(4 – t) for allt ER For which value of t does (x+y)(t) assume its maximum value? 3 2 6 none of the other answers 4 0
Problem 3. Let D be the vector space of all differentiable function R wth the usual pointwise addition and scalar multiplication of functions. In other words, for f, g E D and λ E R the function R defined by: (f +Ag) ()-f(r) +Ag(x) Let R be four functions defined by: s(x)-: sin 11 c(r) : cosz, co(z)--cos(z + θ), and so(r) sin(z + θ), and Wspanls, c Which of the following statements are true: (a) For each fixed θ...
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