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 February 6th, 2012, 10:25 AM #1 Newbie   Joined: Nov 2010 Posts: 3 Thanks: 0 Matrix Operations and Calculations Given these 2 Matrix's How do I find this A = row 1 =[ 1 , 0, 3 ] row 2 = [0, -1, 5 ] row 3 = [1, 7, 1] B = row 1 = [1, -3] row 2 = [0, 2] tr(5A - 2B) ?
 February 12th, 2012, 02:16 AM #2 Senior Member   Joined: Jan 2012 Posts: 131 Thanks: 0 Re: Matrix Operations and Calculations The sum of matrices having different sizes is not defined.

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