Orthonormality is a concept found primarily in linear algebra and functional analysis, particularly in the context of vector spaces and inner product spaces. A set of vectors is said to be orthonormal if the following two conditions are satisfied: 1. **Orthogonality**: The vectors are orthogonal to each other, meaning that the inner product (dot product in Euclidean space) of any two distinct vectors is zero.

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Orthonormality by Ciro Santilli 37 Updated +Created