(PECL lapack >= 0.1.0) Calculate the linear least squares solution of a matrix using QR factorisation

(PECL lapack >= 0.1.0) Solve a system of linear equations

(PECL lapack >= 0.1.0) Solve the linear least squares problem, using SVD

(PECL lapack >= 0.1.0) Return an identity matrix

(PECL lapack >= 0.1.0) This function returns the eigenvalues for a given square matrix

(PECL lapack >= 0.1.0) Calculated the singular values of a matrix

(PECL lapack >= 0.1.0) Calculate the inverse of a matrix