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Table of Contents Math Background Matrices Orthogonality | |
See also: linear dependence, matrix multiplication |
Orthogonality corresponds to the (linear) independence of variables.
Orthogonal | A matrix X is said to be orthogonal if the product X^{T}X is a diagonal matrix. |
Orthonormal | A matrix X is said to be orthonormal if the product X^{T}X is the identity matrix I. |
Last Update: 2005-Jul-16