in reply to
Where is the Hessian? Eh?I mean, do you think I join a monastary for anything other than the feelof course sack-cloth chaffing me as I go about my daily routines in my habit?
I've never seen a Hessian in the monastery. Although, if someone asked about identifying local maxima of functions with several variables, it's possible that the matrix
∂2f/∂x1∂x1 ... ∂2f/∂x1∂xn
... ... ... ...
∂2f/∂xn∂x1 ... ∂2f/∂xn∂xn
Non-existent; I don't have TV
Non-existent; my TV doesn't have/need a remote
Under my control; I watch alone
Under the control of whoever shouts loudest
Under the control of whoever gets it first
One of many, and the TV has a mind of its own
Results (467 votes),