Fortran

?gelsy

Computes the minimum-norm solution to a linear least squares problem using a complete orthogonal factorization of A.

?gelss

Computes the minimum-norm solution to a linear least squares problem using the singular value decomposition of A.

?gelsd

Computes the minimum-norm solution to a linear least squares problem using the singular value decomposition of A and a divide and conquer method.

?syevd

Computes all eigenvalues and, optionally, all eigenvectors of a real symmetric matrix using divide and conquer algorithm.

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