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 March 29th, 2008, 03:46 PM #1 Newbie   Joined: Mar 2008 Posts: 3 Thanks: 0 Matrix problem Hi i´m new in the forum, as you can read in the subject i have to solve a problem wich involves matrices, that said the problem is: Express the matrix A as the product of elementary matrices and a upper triangular matrix: Where A= 1 - 0 - 2 0 - 1 - 1 2 - 1 - 6 In other terms: E1*E2*E3*E4...*En*UTM=A Well i really need some help with this so any help is very appreciated.
 March 29th, 2008, 11:37 PM #2 Newbie   Joined: Mar 2008 Posts: 5 Thanks: 0 Re: Matrix problem 1 0 2 0 1 1 2 1 6 (1 column *(-1) and then + the 3 column 1 0 2 0 1 1 0 1 2 (2 column*(-1) and then + 3 column 1 0 2 0 1 1 0 0 -1 The end.
 March 30th, 2008, 07:02 PM #3 Newbie   Joined: Mar 2008 Posts: 3 Thanks: 0 Thank you.

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