Definition
Orthonormality
A family of vectors
in an inner product space is orthonormal if where
is the Kronecker delta. Equivalently,
for (orthogonality), and for all (normalisation).
Orthonormality
A family of vectors
in an inner product space is orthonormal if where
is the Kronecker delta. Equivalently,
for (orthogonality), and for all (normalisation).