org.netlib.lapack
Class Dgetrs

java.lang.Object
  org.netlib.lapack.Dgetrs

public class Dgetrs
extends java.lang.Object

Following is the description from the original
Fortran source.  For each array argument, the Java
version will include an integer offset parameter, so
the arguments may not match the description exactly.
Contact seymour@cs.utk.edu with any questions.


 *     ..
 *
 *  Purpose
 *  =======
 *
 *  DGETRS solves a system of linear equations
 *     A * X = B  or  A' * X = B
 *  with a general N-by-N matrix A using the LU factorization computed
 *  by DGETRF.
 *
 *  Arguments
 *  =========
 *
 *  TRANS   (input) CHARACTER*1
 *          Specifies the form of the system of equations:
 *          = 'N':  A * X = B  (No transpose)
 *          = 'T':  A'* X = B  (Transpose)
 *          = 'C':  A'* X = B  (Conjugate transpose = Transpose)
 *
 *  N       (input) INTEGER
 *          The order of the matrix A.  N >= 0.
 *
 *  NRHS    (input) INTEGER
 *          The number of right hand sides, i.e., the number of columns
 *          of the matrix B.  NRHS >= 0.
 *
 *  A       (input) DOUBLE PRECISION array, dimension (LDA,N)
 *          The factors L and U from the factorization A = P*L*U
 *          as computed by DGETRF.
 *
 *  LDA     (input) INTEGER
 *          The leading dimension of the array A.  LDA >= max(1,N).
 *
 *  IPIV    (input) INTEGER array, dimension (N)
 *          The pivot indices from DGETRF; for 1<=i<=N, row i of the
 *          matrix was interchanged with row IPIV(i).
 *
 *  B       (input/output) DOUBLE PRECISION array, dimension (LDB,NRHS)
 *          On entry, the right hand side matrix B.
 *          On exit, the solution matrix X.
 *
 *  LDB     (input) INTEGER
 *          The leading dimension of the array B.  LDB >= max(1,N).
 *
 *  INFO    (output) INTEGER
 *          = 0:  successful exit
 *          < 0:  if INFO = -i, the i-th argument had an illegal value
 *
 *  =====================================================================
 *
 *     .. Parameters ..

Constructor Summary

Dgetrs()

Method Summary

static void

dgetrs(java.lang.String trans, int n, int nrhs, double[] a, int _a_offset, int lda, int[] ipiv, int _ipiv_offset, double[] b, int _b_offset, int ldb, intW info)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Dgetrs

public Dgetrs()

Method Detail

dgetrs

public static void dgetrs(java.lang.String trans,
                          int n,
                          int nrhs,
                          double[] a,
                          int _a_offset,
                          int lda,
                          int[] ipiv,
                          int _ipiv_offset,
                          double[] b,
                          int _b_offset,
                          int ldb,
                          intW info)