# ps12 - Michigan State University Department of Electrical...

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Michigan State University Department of Electrical and Computer Engineering ECE 280 ELECTRICAL ENGINEERING ANALYSIS Problem Set 12 Spring 2008 Issued: Monday, April 14, 2008 Due: Monday (10:20am), April 21, 2008 1. Let A = 111 19 c 1 c 3 . (a) Use the determinant to Fnd all possible choices of c that would make A singular. (b) Verify that your choices for c indeed make A singular in MATLAB. (Please use the diary function to record your commands and results in a Fle and turn in a hardcopy of this Fle.) 2. Let E 1 , E 2 , E 3 be 3x3 elementary matrices of types I, II, and III, respectively, and let A be a 3x3 matrix with det(A)=6. ±urther, assume that E 2 was formed from I by multiplying its second row by 3. ±ind the values of each of the following.

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## This note was uploaded on 09/27/2009 for the course ECE 280 taught by Professor Mukkamala/udpa during the Spring '08 term at Michigan State University.

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ps12 - Michigan State University Department of Electrical...

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