IEC 60050 - International Electrotechnical Vocabulary


IEVref:	102-06-26	ID:
Language:	en	Status: Standard

Term:	orthogonal matrix
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Definition:	square matrix A for which the inverse A⁻¹ is equal to the transpose matrix A^T Note 1 to entry: For an orthogonal matrix with elements A_ij: $\sum_{i} A_{i j} A_{i k} = δ_{j k}$ and $\sum_{k} A_{i k} A_{j k} = δ_{i j}$ where δ_jk and δ_ij are Kronecker deltas.
Publication date:	2008-08
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Internal notes:	2017-02-20: Editorial revisions in accordance with the information provided in C00019 (IEV 102) - evaluation. JGO 2017-08-25: Corrected order of I and sub tags. LMO
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