Question: stuck on hw Problem 4. Consider the function of an nvector x, it) = exp ( %xle) = e(- %x'Ax) where A is a square

stuck on hw Problem 4. Consider the function of an nvector

stuck on hw

Problem 4. Consider the function of an nvector x, it") = exp ( %xle) = e(- %x'Ax) where A is a square symmetric matrix. (a) Calculate the gradient of f (b) Calculate the Hessian of f (c) Is it possible to obtain mathematically the optimal vector 1:? Explain

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2. Find out if there are other reference points that can be used as reasonable alternatives.

1. Identify your reference point when making a decision based on an element of risk.

3. If there are reasonable alternatives, think about your decisions based on the different reference points and see if there are any contradictions in the decisions.