Skip to main content
MathOverflow
heroxav's user avatar
heroxav's user avatar
heroxav's user avatar
heroxav
  • Member for 1 year, 11 months
  • Last seen more than 1 year ago
Profile Activity

1 Action

All Accepts Posts Badges Comments Revisions Reviews Suggestions
comment
Inverse of a matrix and the inverse of its diagonals
@FedorPetrov Can one also give an upper bound of similar flavor, that is, $x^\top R^{-1} x \le c \cdot x^\top D^{-1} x$?