Practice Quiz 1-8

Practice Quiz 1-8 - Practice Quiz 1 Sections 1.1,1.2 Math...

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Practice Quiz 1 Sections 1.1,1.2 Math 2373 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 __ Given followingsystem, t 7 26 4 35 + 12 12 3 13 x-3 x= x-x xx = Find reduced row echelon form of the augmented matrix. And then use Gauss-Jordan elimination to find solution 2- Solve following system using Gauss-Jordan eliminaion. 2 6 14 38 371 5 ++ 3 3 x- x- x= xx x = 3
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Practice Quiz 2 Sections 1.3,1.5,2.1,2.2 Math 2373 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 __ Given 11 3 24 C ⎡⎤ ⎢⎥ −− ⎣⎦ 10 012 A = and B = and = 34 103 0 a) Find A.B b) FindB.A c) Find 2B-C d) Find B.C e) Find A+B
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2 __ Given matrix A is 4X2, B is 2X6 and C is 3X4 a) Find Size of the product of C.A.B ) b) Find number of multiplications required to find C(AB) c find number of multiplications requiredto find (CA)B 3 __ Given two vectors u = (2,1,-1) and v = (3,4,2) a) -3u + 2v b) u.v c) magnitude of u d angle between u and v e) Unit vector for vector u
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Practice Quiz 3 Sections 2.3,2.4 Math 2373 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1- Given matrix A ⎡⎤ ⎢⎥ ⎣⎦ 20 3 =04- 2 1- 3 0 a) Find Trace of (A) b) Transpose of A 2 __ FindInverse of the following matrix using Gauss-Jordan: a) 11 6 5
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This note was uploaded on 10/20/2009 for the course MATH 2373 taught by Professor Staff during the Fall '08 term at Collin College.

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Practice Quiz 1-8 - Practice Quiz 1 Sections 1.1,1.2 Math...

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