Solves a system of linear equations with a diagonally dominant tridiagonal matrix using the LU factorization computed by ?dttrfb.
Solves a system of linear equations with a band triangular matrix, with multiple right-hand sides.
Estimates the reciprocal of the condition number of a packed triangular matrix.
Uses extra precise iterative refinement to improve the solution to the system of linear equations with a symmetric indefinite matrix A and provides error bounds and backward error estimates.
Computes the inverse of a Hermitian indefinite matrix through setting the leading dimension of the workspace and calling ?hetri2x.
Computes row and column scaling factors intended to equilibrate a symmetric (Hermitian) positive-definite band matrix and reduce its condition number.
Computes the solution to the system of linear equations with a symmetric (Hermitian) positive definite packed matrix A and multiple right-hand sides.
Computes the solution to the system of linear equations with a Hermitian matrix A stored in packed format, and multiple right-hand sides.
Generates the real orthogonal matrix Q of the LQ factorization formed by ?gelqf.
Multiplies a complex matrix by the unitary matrix defined from the factorization formed by ?tzrzf.