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CentOS 7.0 - man page for sgesc2 (centos section 3)

sgesc2.f(3)				      LAPACK				      sgesc2.f(3)

NAME
       sgesc2.f -

SYNOPSIS
   Functions/Subroutines
       subroutine sgesc2 (N, A, LDA, RHS, IPIV, JPIV, SCALE)
	   SGESC2 solves a system of linear equations using the LU factorization with complete
	   pivoting computed by sgetc2.

Function/Subroutine Documentation
   subroutine sgesc2 (integerN, real, dimension( lda, * )A, integerLDA, real, dimension( * )RHS,
       integer, dimension( * )IPIV, integer, dimension( * )JPIV, realSCALE)
       SGESC2 solves a system of linear equations using the LU factorization with complete
       pivoting computed by sgetc2.

       Purpose:

	    SGESC2 solves a system of linear equations

		      A * X = scale* RHS

	    with a general N-by-N matrix A using the LU factorization with
	    complete pivoting computed by SGETC2.

       Parameters:
	   N

		     N is INTEGER
		     The order of the matrix A.

	   A

		     A is REAL array, dimension (LDA,N)
		     On entry, the  LU part of the factorization of the n-by-n
		     matrix A computed by SGETC2:  A = P * L * U * Q

	   LDA

		     LDA is INTEGER
		     The leading dimension of the array A.  LDA >= max(1, N).

	   RHS

		     RHS is REAL array, dimension (N).
		     On entry, the right hand side vector b.
		     On exit, the solution vector X.

	   IPIV

		     IPIV is INTEGER array, dimension (N).
		     The pivot indices; for 1 <= i <= N, row i of the
		     matrix has been interchanged with row IPIV(i).

	   JPIV

		     JPIV is INTEGER array, dimension (N).
		     The pivot indices; for 1 <= j <= N, column j of the
		     matrix has been interchanged with column JPIV(j).

	   SCALE

		     SCALE is REAL
		      On exit, SCALE contains the scale factor. SCALE is chosen
		      0 <= SCALE <= 1 to prevent owerflow in the solution.

       Author:
	   Univ. of Tennessee

	   Univ. of California Berkeley

	   Univ. of Colorado Denver

	   NAG Ltd.

       Date:
	   September 2012

       Contributors:
	   Bo Kagstrom and Peter Poromaa, Department of Computing Science, Umea University, S-901
	   87 Umea, Sweden.

       Definition at line 115 of file sgesc2.f.

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

Version 3.4.2				 Tue Sep 25 2012			      sgesc2.f(3)


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