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Abstract: Recently, the rank approximation has been highly effective in the matrix rank minimization problem, whose purpose is to recover potential elements from the observation matrix and maintain a ...

Abstract: Sparse linear arrays (SLAs) offer advantages in reducing hardware costs and complexity but pose challenges for traditional signal processing algorithms requiring a complete covariance matrix ...

Despite significant mathematical refinements, econometrics has shown the weaknesses of its logical underpinnings, primarily ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Robert Kelly is managing director of XTS Energy ...