org.jutil.math.matrix
Interface SchurDecomposition

All Known Implementing Classes:

DefaultSchurDecomposition

public interface SchurDecomposition

A class of schur decompositions of a matrix.

Version:

$Revision: 1.3 $

Author:

Marko van Dooren

Field Summary

static java.lang.String

CVS_REVISION

Method Summary

Matrix	Q() public behavior \result != null; post \result.isUnary(); post \result.isSquare(); Return the Q matrix of this SchurDecomposition.
Matrix	R() public invariant Q().getNbColumns() == R().getNbColumns(); public behavior post \result != null; post \result.isUpperTriangular(); post \result.isSquare(); Return the R matrix of this SchurDecomposition.

Field Detail

CVS_REVISION

public static final java.lang.String CVS_REVISION

Method Detail

R

public Matrix R()

public invariant Q().getNbColumns() == R().getNbColumns();

public behavior

post \result != null;
post \result.isUpperTriangular();
post \result.isSquare();
Return the R matrix of this SchurDecomposition.

Q

public Matrix Q()

public behavior

\result != null;
post \result.isUnary();
post \result.isSquare();
Return the Q matrix of this SchurDecomposition.