Proof of `Protected balls for the rounded ellipsoid method` (2nd statement)
groundedproofs/Lax263307Proofs/BufferedEllipsoid.lean · lax-263307
What this proof establishes
no assumptions
Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.
Description
The squared norm of a sum is at most twice each summand square. Both the scaled cube point and the perturbation have squared norm at most 1/16.