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answer for each of the following and circle '5 I 7. § ‘ t” b
Problem 6.( 10 pts total, 2 each)Select the est 1.! 5
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A. If X15 3. square matrix and X‘ * [01. then which at t
a X is singular 1 . '~
{) _ vudj (b) (MOO*0 (Enl) i he following is NOT necessarily truc',’
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_....\—"' We); all. of the above must be true
W 13. ‘ It A is a 3135 matrix, B is :1 4X3 matrix. and C is a 5x4 matrix, which of the following is NOT deﬁned?
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, ‘0 (AC): TSXGQKUI ‘ 5X 'Kk Ifig'BxSﬁxvl (c) more than one of the above is NOT deﬁned C. If the rum matrix A is invertible, then @ero cannot be an eigenvalue of A ('0) A must be diagonablc
(c) A cannot have repeated eigenvalues
(d) if A is real it cannot have complex eigenvalues d 4 columns and det( A )=2.1. th
A‘VJ m—Yvd) M en the system of equations = B has: D. ‘ifmatrix A has 4 rowsan
1:4) :5 xcﬁ‘tn (a no solution;
xaetly 1 solution;
(c) exactly 2 solutions; (d) an inﬁnite number of poss
(c) all of the above are possible. lumns and rank( _A_ )= 4, then the system of e
WM ‘5) \ ’Wl ible solutions; E. If matrix _A_ has4 rows and 4 co qualions = B has;
(b) no solution;
( exactly 1 solution; Ru; UK“:
((1) exactly 2 solutions;
(e) an inﬁnite number 0 (i) all are possible. f possible solutions; an eigenvector after two iterati< Problem '7.( 10 pts)If A =(Z , ﬁnd the approximation to r method, beginniig with the vector 1] ‘e’.
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This note was uploaded on 04/15/2011 for the course ECE 2331 taught by Professor Barr during the Spring '08 term at University of Houston.
 Spring '08
 BARR

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