TL;DR
This paper explores various types of orthogonalities in matrices, including orthogonal, quasi-orthogonal, semi-orthogonal, and non-orthogonal matrices, along with their properties and constructions.
Contribution
It provides a comprehensive analysis of different matrix orthogonalities and introduces methods for constructing these matrices.
Findings
Characterization of different matrix orthogonalities
Construction techniques for various matrices
Properties of non-orthogonal matrices
Abstract
In this paper we have discussed different possible orthogonalities in matrices, namely orthogonal, quasi-orthogonal, semi-orthogonal and non-orthogonal matrices including completely positive matrices, while giving some of their constructions besides studying some of their properties.
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Taxonomy
Topicsgraph theory and CDMA systems · Coding theory and cryptography · Matrix Theory and Algorithms