How to echo a <tab> space? Post: 52995

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zlanht

zlanht.f(3)							      LAPACK							       zlanht.f(3)

NAME

       zlanht.f -

SYNOPSIS

   Functions/Subroutines
       DOUBLE PRECISION function zlanht (NORM, N, D, E)
	   ZLANHT returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a
	   complex Hermitian tridiagonal matrix.

Function/Subroutine Documentation
   DOUBLE PRECISION function zlanht (characterNORM, integerN, double precision, dimension( * )D, complex*16, dimension( * )E)
       ZLANHT returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex
       Hermitian tridiagonal matrix.

       Purpose:

	    ZLANHT  returns the value of the one norm,	or the Frobenius norm, or
	    the  infinity norm,  or the  element of  largest absolute value  of a
	    complex Hermitian tridiagonal matrix A.

       Returns:
	   ZLANHT

	       ZLANHT = ( max(abs(A(i,j))), NORM = 'M' or 'm'
			(
			( norm1(A),	    NORM = '1', 'O' or 'o'
			(
			( normI(A),	    NORM = 'I' or 'i'
			(
			( normF(A),	    NORM = 'F', 'f', 'E' or 'e'

	    where  norm1  denotes the  one norm of a matrix (maximum column sum),
	    normI  denotes the	infinity norm  of a matrix  (maximum row sum) and
	    normF  denotes the	Frobenius norm of a matrix (square root of sum of
	    squares).  Note that  max(abs(A(i,j)))  is not a consistent matrix norm.

       Parameters:
	   NORM

		     NORM is CHARACTER*1
		     Specifies the value to be returned in ZLANHT as described
		     above.

	   N

		     N is INTEGER
		     The order of the matrix A.  N >= 0.  When N = 0, ZLANHT is
		     set to zero.

	   D

		     D is DOUBLE PRECISION array, dimension (N)
		     The diagonal elements of A.

	   E

		     E is COMPLEX*16 array, dimension (N-1)
		     The (n-1) sub-diagonal or super-diagonal elements of A.

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   September 2012

       Definition at line 102 of file zlanht.f.

Author
       Generated automatically by Doxygen for LAPACK from the source code.

Version 3.4.2							  Tue Sep 25 2012						       zlanht.f(3)

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