Scientific Research Publishing

A General Hermitian Nonnegative-Definite Solution to the Matrix Equation AXB = C ()

1 Department of Information Systems, Baylor University, Waco, TX, USA. 2 Department of Statistical Science, Baylor University, Waco, TX, USA. Hermitian solutions to (1) have been considered by ...
Scientific Research Publishing

A Matrix Inequality for the Inversions of the Restrictions of a Positive Definite Hermitian Matrix ()

Center for Research and Development in Mathematics and Applications, Department of Mathematics, University of Aveiro, Aveiro, Portugal. Department of Mathematics, Faculty of Science and Technology, ...
IEEE

The normal form of a positive semi-definite spatial stiffness matrix

Abstract: A fundamental result in the theory of spatial stiffness matrices is Loncaric's normal form. When a spatial stiffness matrix is described in an appropriate coordinate frame, it will have a ...
IEEE

Computing the Closest Positive Definite Correlation Matrix for Experimental MIMO Channel Analysis

Abstract: Under realistic propagation conditions in multiple-input-multiple-output (MIMO) wireless channels, some experimental (measured) full-spatial-correlation (FSC) MIMO channel matrices may not ...