You are given a N X N integer matrix. You have to find the sum of all the main diagonal elements of A. Main diagonal of a matrix A is a collection of elements A[i, j] such that i = j. Input Format ...

Hello, I made a small change to the code: 1: In StateHelper::EKFUpdate() function the matrix operation related to the covariance matrix, use the float data type instead of the double type. 1: Why the ...

We study several variants of decomposing a symmetric matrix into a sum of a low-rank positive semidefinite matrix and a diagonal matrix. Such decompositions have applications in factor analysis and ...