Abstract: Linear sparse arrays (coprime and nested arrays) have been studied extensively as a means of performing direction of arrival (DoA) estimation while bypassing Nyquist sampling theorem.

The paper recounts and revises the development of linear albegra system from ancient Chinese referenced on the acient Chinese text: The Nine Chapters on the Mathematical Art. The two main related ...

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When the order of the operations influences the end result, the matrices are called “non-commutative.” In this case, the product Q1 x Q2 differs from the product Q2 x Q1.