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math.OC2017
A complete characterization of optimal dictionaries for least squares representation
Mohammed Rayyan Sheriff, Debasish Chatterjee
Dictionaries are collections of vectors used for representations of elements in Euclidean spaces. While recent research on optimal dictionaries is focussed on providing sparse (i.e…
math.OC2017★ 6 cited
On a frame theoretic measure of quality of LTI systems
Mohammed Rayyan Sheriff, Debasish Chatterjee
It is of practical significance to define the notion of a measure of quality of a control system, i.e., a quantitative extension of the classical notion of controllability. In this…