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
Priority 1, Priority 2, Priority 3
Priority 1, Priority 0, Priority -1
Urgent, important, favour
Data loss, bug, enhancement
Out of scope, out of budget, out of line
Family, friends, work
Impossible, inconceivable, implemented
Results (93 votes),