Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society ...

Abstract: The problem of isometry for threshold-based sampling such as integrate-and-fire or send-on-delta is addressed. While for uniform sampling the Parseval theorem provides isometry and makes the ...

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Abstract: Sparse signal recovery or compressed sensing can be formulated as certain sparse optimization problems. The classic optimization theory indicates that the Newton-like method often has a ...