clarz man page on Cygwin

Man page or keyword search:  
man Server   22533 pages
apropos Keyword Search (all sections)
Output format
Cygwin logo
[printable version]

clarz.f(3)			    LAPACK			    clarz.f(3)

NAME
       clarz.f -

SYNOPSIS
   Functions/Subroutines
       subroutine clarz (SIDE, M, N, L, V, INCV, TAU, C, LDC, WORK)
	   CLARZ applies an elementary reflector (as returned by stzrzf) to a
	   general matrix.

Function/Subroutine Documentation
   subroutine clarz (characterSIDE, integerM, integerN, integerL, complex,
       dimension( * )V, integerINCV, complexTAU, complex, dimension( ldc, *
       )C, integerLDC, complex, dimension( * )WORK)
       CLARZ applies an elementary reflector (as returned by stzrzf) to a
       general matrix.

       Purpose:

	    CLARZ applies a complex elementary reflector H to a complex
	    M-by-N matrix C, from either the left or the right. H is represented
	    in the form

		  H = I - tau * v * v**H

	    where tau is a complex scalar and v is a complex vector.

	    If tau = 0, then H is taken to be the unit matrix.

	    To apply H**H (the conjugate transpose of H), supply conjg(tau) instead
	    tau.

	    H is a product of k elementary reflectors as returned by CTZRZF.

       Parameters:
	   SIDE

		     SIDE is CHARACTER*1
		     = 'L': form  H * C
		     = 'R': form  C * H

	   M

		     M is INTEGER
		     The number of rows of the matrix C.

	   N

		     N is INTEGER
		     The number of columns of the matrix C.

	   L

		     L is INTEGER
		     The number of entries of the vector V containing
		     the meaningful part of the Householder vectors.
		     If SIDE = 'L', M >= L >= 0, if SIDE = 'R', N >= L >= 0.

	   V

		     V is COMPLEX array, dimension (1+(L-1)*abs(INCV))
		     The vector v in the representation of H as returned by
		     CTZRZF. V is not used if TAU = 0.

	   INCV

		     INCV is INTEGER
		     The increment between elements of v. INCV <> 0.

	   TAU

		     TAU is COMPLEX
		     The value tau in the representation of H.

	   C

		     C is COMPLEX array, dimension (LDC,N)
		     On entry, the M-by-N matrix C.
		     On exit, C is overwritten by the matrix H * C if SIDE = 'L',
		     or C * H if SIDE = 'R'.

	   LDC

		     LDC is INTEGER
		     The leading dimension of the array C. LDC >= max(1,M).

	   WORK

		     WORK is COMPLEX array, dimension
				    (N) if SIDE = 'L'
				 or (M) if SIDE = 'R'

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   September 2012

       Contributors:
	   A. Petitet, Computer Science Dept., Univ. of Tenn., Knoxville, USA

       Further Details:

       Definition at line 148 of file clarz.f.

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

Version 3.4.2			Sat Nov 16 2013			    clarz.f(3)
[top]

List of man pages available for Cygwin

Copyright (c) for man pages and the logo by the respective OS vendor.

For those who want to learn more, the polarhome community provides shell access and support.

[legal] [privacy] [GNU] [policy] [cookies] [netiquette] [sponsors] [FAQ]
Tweet
Polarhome, production since 1999.
Member of Polarhome portal.
Based on Fawad Halim's script.
....................................................................
Vote for polarhome
Free Shell Accounts :: the biggest list on the net