Documentation API of the 'Jama.QRDecomposition' Java class
QRDecomposition
Jama

Class QRDecomposition

  • All Implemented Interfaces:
    Serializable


    public class QRDecompositionextends Objectimplements Serializable
    QR Decomposition.

    For an m-by-n matrix A with m >= n, the QR decomposition is an m-by-n orthogonal matrix Q and an n-by-n upper triangular matrix R so that A = Q*R.

    The QR decompostion always exists, even if the matrix does not have full rank, so the constructor will never fail. The primary use of the QR decomposition is in the least squares solution of nonsquare systems of simultaneous linear equations. This will fail if isFullRank() returns false.

    See Also:
    Serialized Form

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