Question: Prove that if X, is a vector such that Vf(X,) =0 and the Hessian matrix Vf( X.) is positive definite, then X, is a local

Prove that if X, is a vector such that Vf(X,) =0

Prove that if X, is a vector such that Vf(X,) =0 and the Hessian matrix Vf( X.) is positive definite, then X, is a local minimizer of f(X)

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