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#1 Help Me ! » Positive definite matrix test » 2008-05-13 21:22:49

mathshelpstudent8
Replies: 1

Matrix A=
5k 1
9 1

calculate (transpose(x)*A*x ) where x=
x1
x2

Hence
find the set of values for k where A is positive definite using your result of (transpose(x)*A*x ) for all non zero x in R^2

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