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marcosdnm
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Let x be in R^n and Q in Mat(R,n) where Q is hermitian and negative definite. Let (.,.) be the usual euclidian inner product.
I need to prove the following inequality:
(x,Qx) <= a(x,x)
where "a" is the maximum eigenvalue of Q.
Any idea?
I need to prove the following inequality:
(x,Qx) <= a(x,x)
where "a" is the maximum eigenvalue of Q.
Any idea?