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RedHat 9 (Linux i386) - man page for slatzm (redhat section l)

SLATZM(l)					)					SLATZM(l)

NAME
       SLATZM - routine is deprecated and has been replaced by routine SORMRZ

SYNOPSIS
       SUBROUTINE SLATZM( SIDE, M, N, V, INCV, TAU, C1, C2, LDC, WORK )

	   CHARACTER	  SIDE

	   INTEGER	  INCV, LDC, M, N

	   REAL 	  TAU

	   REAL 	  C1( LDC, * ), C2( LDC, * ), V( * ), WORK( * )

PURPOSE
       This  routine  is  deprecated  and  has been replaced by routine SORMRZ.  SLATZM applies a
       Householder matrix generated by STZRQF to a matrix.

       Let P = I - tau*u*u',   u = ( 1 ),
				   ( v )
       where v is an (m-1) vector if SIDE = 'L', or a (n-1) vector if SIDE = 'R'.

       If SIDE equals 'L', let
	      C = [ C1 ] 1
		  [ C2 ] m-1
		    n
       Then C is overwritten by P*C.

       If SIDE equals 'R', let
	      C = [ C1, C2 ] m
		     1	n-1
       Then C is overwritten by C*P.

ARGUMENTS
       SIDE    (input) CHARACTER*1
	       = 'L': form P * C
	       = 'R': form C * P

       M       (input) INTEGER
	       The number of rows of the matrix C.

       N       (input) INTEGER
	       The number of columns of the matrix C.

       V       (input) REAL array, dimension
	       (1 + (M-1)*abs(INCV)) if SIDE = 'L' (1 + (N-1)*abs(INCV)) if SIDE = 'R' The vector
	       v in the representation of P. V is not used if TAU = 0.

       INCV    (input) INTEGER
	       The increment between elements of v. INCV <> 0

       TAU     (input) REAL
	       The value tau in the representation of P.

       C1      (input/output) REAL array, dimension
	       (LDC,N)	if  SIDE  = 'L' (M,1)	if SIDE = 'R' On entry, the n-vector C1 if SIDE =
	       'L', or the m-vector C1 if SIDE = 'R'.

	       On exit, the first row of P*C if SIDE = 'L', or the first column of C*P if SIDE	=
	       'R'.

       C2      (input/output) REAL array, dimension
	       (LDC, N)   if SIDE = 'L' (LDC, N-1) if SIDE = 'R' On entry, the (m - 1) x n matrix
	       C2 if SIDE = 'L', or the m x (n - 1) matrix C2 if SIDE = 'R'.

	       On exit, rows 2:m of P*C if SIDE = 'L', or columns 2:m of C*P if SIDE = 'R'.

       LDC     (input) INTEGER
	       The leading dimension of the arrays C1 and C2. LDC >= (1,M).

       WORK    (workspace) REAL array, dimension
	       (N) if SIDE = 'L' (M) if SIDE = 'R'

LAPACK version 3.0			   15 June 2000 				SLATZM(l)


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