Unformatted text preview: 2 . Find an orthogonal matrix P and upper triangular matrix T such that P T AP = T . 4: Prove that if A is a positive deﬁnite symmetric matrix, then A is invertible. 5: Prove that if B is any invertible n × n matrix, then A = B T B is positive deﬁnite. 1...
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This note was uploaded on 01/27/2011 for the course MATH 235 taught by Professor Celmin during the Fall '08 term at Waterloo.
- Fall '08