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Unformatted text preview: MAE107 Homework #6 Prof. MCloskey Due Date The homework is due at 5PM on Thursday, June 3, 2010, to David Shatto (38138 foyer, Engineer ing 4). Problem 1 Consider the following 2 2 matrices, A 1 = 1 1 2 , 1 6 = 2 , A 2 = 1 . Answer the following: 1. Compute the matrix exponential for each matrix. Note that A 1 can be diagonalized but that A 2 cannot. One way to compute e A 2 t is to recognize that A 2 =  {z } M 1 + 0 1 0 0  {z } M 2 , and since M 1 M 2 = M 2 M 1 (confirm this), then e A 2 t = e ( M 1 + M 2 ) t = e M 1 t e M 2 t . 2. Show by direct calculation that L ( e A k t ) = ( sI A k ) 1 , k = 1 , 2 . 3. Now let C = 1 0 , B = 1 1 , d = 0 . Compute the transfer functions H k ( s ) = C ( sI A k ) 1 B + d, k = 1 , 2 , 4. Use the unilateral Laplace transform tables in the back of the text to find the impulse re sponses corresponding to H 1 and H 2 . 5. Compute the impulse responses using the matrix exponential functions you computed above and the formula h k ( t ) = Ce A k t B ( t ) + d ( t ) , k = 1 , 2 . Show that these expressions match what you derived using the unilateral Laplace transform tables (which implicitly assumes the impulse response is zero for t < 0)....
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This note was uploaded on 02/02/2011 for the course MAE 107 taught by Professor Tsao during the Spring '06 term at UCLA.
 Spring '06
 TSAO

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