GTCON: estimates the reciprocal of the condition number of a complex tridiagonal matrix A using the LU factorization as computed by CGTTRF. An estimate is obtained for norm(inv(A)), and the reciprocal of the condition number is computed as RCOND = 1 / (ANORM * norm(inv(A))). More...

Public Member Functions
	la_cgtcon

	la_dgtcon

	la_qgtcon

	la_sgtcon

	la_wgtcon

	la_zgtcon

Detailed Description

GTCON: estimates the reciprocal of the condition number of a complex tridiagonal matrix A using the LU factorization as computed by CGTTRF. An estimate is obtained for norm(inv(A)), and the reciprocal of the condition number is computed as RCOND = 1 / (ANORM * norm(inv(A))).

Member Function/Subroutine Documentation

◆ la_cgtcon()

la_lapack::gtcon::la_cgtcon

◆ la_dgtcon()

la_lapack::gtcon::la_dgtcon

◆ la_qgtcon()

la_lapack::gtcon::la_qgtcon

◆ la_sgtcon()

la_lapack::gtcon::la_sgtcon

◆ la_wgtcon()

la_lapack::gtcon::la_wgtcon

◆ la_zgtcon()

la_lapack::gtcon::la_zgtcon

The documentation for this interface was generated from the following file:

la_lapack.F90

Public Member Functions