Abstract: We propose a stable and efficient divide-and-conquer algorithm for computing the eigendecomposition of a symmetric tri-block-diagonal matrix. The matrix can be derived from discretizing ...

Given a square matrix mat, return the sum of the matrix diagonals. Only include the sum of all the elements on the primary diagonal and all the elements on the secondary diagonal that are not part of ...

Abstract: Blind separation of mixtures has been achieved by approximate joint diagonalization (AJD) approaches. This paper presents an approach for overdetermined blind source separation (BSS) using ...

The Matrix 5 Filmmaker is Still Shaping the Story Writer and director Drew Goddard says he's currently working on the script for The Matrix 5, but the film doesn't have a definitive timeline.

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sum+=mat[i][mat.length-1 - i]; //secondary diagonal element if(mat.length%2==0) return sum; //matrix with even length will not have a center else return sum-mat[mat ...