Commons Math
  1. Commons Math
  2. MATH-995

Adaptive division of segments in Quadrature Legendre-Gauss

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.3
    • Labels:
      None

      Description

      I think the existing Legendre-Gauss object fails for certain integrals. An example of failure and a solution that divides segments based on error is provided. Please let me know if I'm not using the Legendre-Gauss object correctly.

      1. gaussian__sigma_1000_zoom.png
        16 kB
        Gilles
      2. gaussian__sigma_1000.png
        12 kB
        Gilles
      3. gaussian__sigma_1.png
        18 kB
        Gilles
      4. patch-code
        3 kB
        Ajo Fod
      5. patch-code
        3 kB
        Ajo Fod
      6. patch-test
        4 kB
        Ajo Fod
      7. patch-code
        6 kB
        Ajo Fod

        Issue Links

          Activity

          Ajo Fod created issue -
          Ajo Fod made changes -
          Field Original Value New Value
          Attachment InfiniteIntegral.java [ 12588866 ]
          Attachment AdaptiveQuadrature.java [ 12588867 ]
          Ajo Fod made changes -
          Attachment AdaptiveQuadrature.java [ 12588867 ]
          Ajo Fod made changes -
          Attachment AdaptiveQuadrature.java [ 12588948 ]
          Ajo Fod made changes -
          Attachment AdaptiveQuadrature.java [ 12588948 ]
          Ajo Fod made changes -
          Attachment InfiniteIntegral.java [ 12588866 ]
          Ajo Fod made changes -
          Attachment patch-code [ 12590064 ]
          Attachment patch-test [ 12590065 ]
          Ajo Fod made changes -
          Attachment patch-code [ 12590343 ]
          Ajo Fod made changes -
          Attachment patch-code [ 12590359 ]
          Gilles made changes -
          Link This issue is cloned as MATH-994 [ MATH-994 ]
          Gilles made changes -
          Attachment gaussian__sigma_1.png [ 12590891 ]
          Attachment gaussian__sigma_1000.png [ 12590892 ]
          Attachment gaussian__sigma_1000_zoom.png [ 12590893 ]
          Ajo Fod made changes -
          Status Open [ 1 ] Closed [ 6 ]
          Resolution Fixed [ 1 ]
          Gilles made changes -
          Resolution Fixed [ 1 ]
          Status Closed [ 6 ] Reopened [ 4 ]
          Gilles made changes -
          Status Reopened [ 4 ] Resolved [ 5 ]
          Resolution Fixed [ 1 ]
          Thomas Neidhart made changes -
          Fix Version/s 3.3 [ 12324600 ]
          Luc Maisonobe made changes -
          Status Resolved [ 5 ] Closed [ 6 ]

            People

            • Assignee:
              Unassigned
              Reporter:
              Ajo Fod
            • Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development