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This is a preview. Log in through your library . Abstract Problems concerning approximation of real-valued continuous functions of a real variable by polynomials of ...

Abstract: For many practical applications in wireless communications, we need to recover a structured sparse signal from a linear observation model with dynamic grid parameters in the sensing matrix.

We describe an algorithm, based on the simplex method of linear programming, for solving the discrete l 1 approximation problem with any type of linear constraints. The numerical results reported here ...