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Journals and Conferences
In this note we give necessary and sufficient conditions in the frequency domain for rational matrices to be strictly positive real. Based on this result, the matrix form of the Lefschetz-KalmanYakubovich lemma i s proved, which gives necessary and sufficient conditions for strictly positive real transfer matrices in the state-space realization form.
BACKGROUND Our objective was to compare the effect of a restricted intravenous fluid regimen adjusted by serum lactate level with a standard restricted regimen on complications after major elective surgery for gastrointestinal malignancy. METHODS This is a randomized, observer-blinded, single-center trial conducted across a time span of 13 months. A total… (More)
Aiming at hyperspectral remote sensing images containing huge amounts of data, removing redundant information and reducing processing dimensions are the premise and foundation for hyperspectral remote sensing processing and applications. In this paper, a new feature extraction algorithm based on non-negative matrix factorization with projected gradient,… (More)