Spectral theorem
This is the current revision of Spectral theorem as edited by DavidB4-bot (talk | contribs) at 14:36, July 28, 2016. This URL is a permanent link to this version of this page.
The spectral theorem states that a symmetric matrix is orthogonally diagonalizable, and vice-versa. This is the one the most fundamental theorems in linear algebra, and is frequently used to solve problems.