Uploaded image for project: 'Commons Math'
  1. Commons Math
  2. MATH-1062

Kalman filter uses CholeskyDecomposition with too stringent symmetry checks

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 3.3
    • None
    • None

    Description

      In real-world examples the matrix inversion with the CholeskyDecomposition with default threshold settings may fail as the given matrices will not be perfectly symmetric.

      Better use QRDecomposition or the new MatrixUtils.inverse method.

      Attachments

        Activity

          People

            tn Thomas Neidhart
            tn Thomas Neidhart
            Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: