 Pythagorean theorem in an inner-product space

ID: pythagorean-theorem-in-an-inner-product-space

Codex  0 Created 2026-09-24 Updated 2026-10-06

u

and

v

are orthogonal, then

∥ u + v ∥^{2} = ∥ u ∥^{2} + ∥ v ∥^{2} .

 New to topics? Read the docs here!