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Q2-sol.pdf - Computational Linear Algebra NAME QUIZ#2 Show...

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Unformatted text preview: Computational Linear Algebra NAME: QUIZ #2 Show all of your work to get full credit. ’3] [2] [‘1] —4 . = 1 ,andb = 1 1 a3 6 2 Determine whether 17 can be written as a linear combination of a1, a2, and as. If yes, express b as a linear combination. 1 1)Let a1=[2 ],a2 = —3 chovnw 4pm; mAh'i ‘7: ', {My} 7,. '1'3 1 3 ' 4 I ‘ “f“? o 1 ” 3 I 6 Z 0 [A\ \9] {§ iwCo WQxSi’Efih ’t ggwu \\ ¢ 0 \ £0 \0 \fw‘vfii“ ‘68 written no a. i<W-‘Q.9\'V wM‘oinM‘icn 6%: C‘wa'l W Q3. 2) Describe all solutions of Ax = b, where 2 —5 3 —3 A=[—2 6 —5],andb=[4] —4 7 0 3 Describe the general solution in parametric vector form. ”4' 7 o 7- "5 “s ‘3 .__.> O l ’1 l 2‘42? 0 ‘3 Q '3 Rel-23 --> 2 '5 3 -3 o ‘ -2 ‘ O M kytek? B1 at far \rWFiLe» :\7‘+7At)7‘z=\+2t, £962 91 \+'7/t | ’11: 2 r :;\ \‘l’cl't :(Q>+t<7§'>) (Alum-DEW“ \ O 'UJEJ wwwnoh\ \——/ ...
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