Introduction: Accurate quantification of physiological parameters in dynamic positron emission tomography (PET) relies on the precise estimation of arterial input function (AIF ... Non-Negative Matrix ...

Abstract: Customer-agent conversations (i.e. call transcripts) are invaluable source for companies as they convey direct information from their customers implicit and explicit behaviour. Identifying ...

Abstract: This note considers the computation of the derivatives of the matrix exponential function with respect to parameters such that the dependence of the matrix upon the parameters is nontrivial.