 Change of basis between symmetric matrices

ID: change-of-basis-between-symmetric-matrices

Ciro Santilli 35  Updated 2025-03-25  +Created 1970-01-01

When we have a symmetric matrix, a change of basis keeps symmetry iff it is done by an orthogonal matrix, in which case:

N = B M B^{- 1} = O M O^{T}

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