search for: lscov

Dear all I am having a linear system of the form A*X=B and I want to find the X by using least squares. For example my A is of dimension [205,3] and my B is of dimension[205,1]  I am looking for the X matrix which is of the size [3,1]. In the matlab I was doing that by the function  X = LSCOV(A,B) returns the ordinary least squares solution to the     linear system of equations A*X = B, i.e., X is the N-by-1 vector that     minimizes the sum of squared errors (B - A*X)'*(B - A*X), where A is     M-by-N, and B is M-by-1 for example for the matrices A =      1     2     3      4  ...