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
The same name on every site (unless it is taken already)
A different name for every site
The same name for sites I don't care about, but different names on sites I do care about
Different names for sites I don't care about, but the same name on sites I do care about
The anonymous account
Someone else's username
Root, after hacking into the site
Results (212 votes),