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Incorporating Latent Variables Using Nonnegative Matrix Factorization Improves Risk Stratification in Brugada Syndrome

A combination of clinical and electrocardiographic risk factors is used for risk stratification in Brugada syndrome. In this study, we tested the hypothesis that the incorporation of latent variables ...
JSTOR Daily

Traces and Cumulants of Quadratic Forms in Normal Variables

This is a preview. Log in through your library . Abstract The cumulants of a quadratic form in n independent standardized variables are identified with the traces of the powers of the matrix of the ...
JSTOR Daily

Estimation for the Multivariate Errors-in-Variables Model with Estimated Error Covariance Matrix

This is a preview. Log in through your library . Abstract The errors-in-variables model in which the unobserved true values satisfy multiple linear restrictions is considered. Under the assumptions ...
IEEE

Mihai Putinar

Classification Variables,Column Vector,Computer Algebra,Control Problem,Control Theory,Convex Cone,Convex Set,Dimensional Systems,Directional Derivative,Feasible Set ...